Quarterlytics / Industrials / Rental & Leasing Services / Willis Lease Finance Corporation / FY2005 Annual Report

Willis Lease Finance Corporation
Annual Report 2005

WLFC · NASDAQ Industrials
Claim this profile
Ticker WLFC
Exchange NASDAQ
Sector Industrials
Industry Rental & Leasing Services
Employees 445
← All annual reports
FY2005 Annual Report · Willis Lease Finance Corporation
Loading PDF…
WL_ar_cover.prod.pcg.qxd  4/19/06  3:40 PM  Page 1

Willis Lease Finance Corporation

2005 Annual Report

Willis Lease Finance Corporation 
2320 Marinship Way, Suite 300
Sausalito, CA 94965 
USA 

Tel: 415 275-5100 
Fax: 415 331-0607 
info@willislease.com
www.willislease.com

Power to Spare—Worldwide

Willis Lease Finance Corporation is a provider of aviation services, specializing in leasing spare commercial 

aircraft engines and other aircraft-related equipment. We provide these services to commerical airlines, 

aircraft engine manufacturers, and maintenance, repair, and overhaul facilities worldwide.

Corporate Information

Board of Directors

Investor Relations Counsel

Executive Team

Charles F. Willis, IV
President and Chief Executive Officer,
Willis Lease Finance Corporation

W. William Coon, Jr.
Chairman, Avioserv;
Director, FlightTechnics LLC
and T Group America

Glenn L. Hickerson
President, Hickerson Associates

Gérard Laviec
Former President and Chief Executive Officer,
CFM International; Former Chairman,
Shannon Engine Support

William M. LeRoy
Partner, BDO Seidman, LLP

Corporate Executive Offices

2320 Marinship Way, Suite 300 
Sausalito, California 94965
415 275-5100
415 331-0607 (fax)
www.willislease.com

Independent Registered 

Public Accountants

KPMG LLP
San Francisco, California

Transfer Agent and Registrar

American Stock Transfer 
& Trust Company
59 Maiden Lane
New York, New York 10038
800 937-5449

The Cereghino Group
5333 15th Avenue South, Suite 1500
Seattle, Washington 98108
206 762-0993

Form 10-K, 10-Q & Press Releases

Form 10-K has been filed with the Securities
|and Exchange Commission. Copies of the 
10-K, 10-Q and press releases may be obtained
from the investor relations area of our web site,
www.willislease.com, or by contacting our 
corporate offices. Press releases are also 
available at The Cereghino Group web site,
www.stockvalues.com.

Stock Exchange Listing

Willis Lease Finance Corporation is listed on 
the Nasdaq National Market System under 
the symbols: WLFC and WLFCP. 

Annual Meeting

The Annual Meeting of shareholders will be held
on Thursday, May 25, 2006, at 2:00 p.m. at the
Company’s headquarters at 2320 Marinship Way,
Suite 300, Sausalito, CA 94965. All shareholders
are cordially invited to attend.

Stock Information

2005

2004

High

Low

High

Low

Q1

Q2

Q3

Q4

$8.98

$7.30

$8.97

$6.43

9.00

7.59

9.40

8.00

10.84

7.96

8.99

6.59

10.24

6.70

9.00

7.50

Charles F. Willis, IV
President and
Chief Executive Officer

Donald A. Nunemaker
Executive Vice President and
Chief Operating Officer

Robert M. Warwick
Executive Vice President and
Chief Financial Officer

Thomas E. MacAleavey
Senior Vice President,
Sales and Marketing

Thomas C. Nord
Senior Vice President and
General Counsel

Steve Oldenburg
Senior Vice President,
Sales–Asia

Judith M. Webber
Senior Vice President,
Technical Services

10-Year Lease Portfolio Growth

(in millions)

t
n
e
m
t
s
e
v
n
I

I

R
A
S

S
B
A

g
n
i
r
e
f
f

O

y
t
i
u
q
E

n
o
-
w
o
l
l
o
F

$600

$500

$400

$300

$200

O
P
I

$100

96

97

98

99

00

01

02

03

04

05

Strategic Financing Events

1996: Initial Public Offering

1997: Follow-on Equity Offering

2000: SAIR Group Equity Investment

2005: Asset-Backed Securitization 

2006: Preferred Stock Offering

 
 
Dear Fellow Shareholders,

As jet fuel is to engines, capital is to leasing. 

For the last two years, our top priority was raising additional capital to facilitate our

growth. During the last twelve months, we successfully completed two major financings

that will put us in a great position to capitalize on growth opportunities over the next 

several years. 

In August 2005, after more than four years of hard work, we accomplished one of the

most important financial transactions in our history with the closing of WEST, the Willis

Engine Securitization Trust. This ground-breaking transaction marked the first time a

flexible pool of leased jet aircraft engines has been securitized. The $228 million in term

notes with expected maturities of 13–15 years, coupled with $114 million in warehouse

availability, lengthened the maturity of over half of our debt and also provided immediate

additional debt to grow the Company. 

The second major financing, a $33 million preferred stock offering, closed last month

and provided a significant amount of new equity capital. While we initially used the 

proceeds to pay down short-term debt, over time we intend to leverage this equity with

additional debt to acquire more equipment.

I am tremendously proud of our team for seeing these two capital projects through to

completion, and establishing Willis Lease as one of the most innovative companies in 

the equipment leasing market. Capital is key to our ability to grow, and these transac-

tions give us access to entirely new investor classes, complementing our banks and

common equity investors who have supported us to date. 

Since our 1996 IPO, the net book value of our lease portfolio has grown dramatically

from $96 million to $541 million. The strongest growth periods were those immediately

following strategic financing events, and the period following the close of the WEST

transaction appears to confirm this pattern. Between the closing of WEST in August 

and the end of the year, we purchased engines at a cost of $50 million and entered 

into commitments to purchase $25 million of new spare engines. Additionally, we 

invested $9 million in a joint venture that acquired two A340 aircraft on long-term 

leases to Emirates.

I’ve noted some of the key results from 2005:

Lease revenue increased 8% over last year, boosted by higher utilization, higher 

lease rates, and fourth quarter portfolio growth.

The lease portfolio increased 7% to $541 million in 2005, almost all of which

occurred in the fourth quarter. 

PRESIDENT’S  LETTER   0 2005 Annual Report

Lease Revenue

(in millions)

$65

$60

$55

$50

$45

$40

01

02

03

04

05

1

W I L L I S   L E A S E   F I N A N C E   C O R P O R AT I O N 0

Average Utilization

(by book value)

Our utilization rate reached its highest level in years, hitting 97% at the end of

the third quarter and finishing at or above 90% for nine straight months through

the end of December.

95%

90%

85%

80%

75%

70%

01

02

03

04

05

Net Income

(in millions)

$6

$5

$4

$3

$2

$1

We purchased 20 engines and sold 11, ending the year with 124. In addition,

we entered into leases with 12 new customers.

With the completion of the WEST transaction, we paid off the prior warehouse

credit facility, resulting in the write-off of $1.4 million of unamortized capitalized

financing costs. This non-cash write-off was one of the primary reasons for lower

earnings in 2005. The benefits achieved by the WEST transaction should, over

time, far outweigh the near-term impact of the write-off. 

We restated our earnings last year to comply with the strict accounting require-

ments for derivative instruments. The restatement makes comparisons between

last year and 2004 difficult. The inclusion of the change in the fair value of 

derivative instruments in the income statement, rather than accumulated other

comprehensive income in shareholders’ equity in the balance sheet, resulted 

in a pretax benefit in net finance costs of $1.4 million in 2005 and $2.1 million

in 2004.

Total expenses, led by higher interest expense, increased $11.0 million in 2005

over 2004, while total revenue increased $8.6 million during the same period,

which resulted in a decline in pretax income of $2.4 million, or 30%, and a

reduction in net income of $1.3 million, or 24%.

Strong global economic activity is fostering the best conditions in the aviation industry

in a long time. There has been significant cost-cutting and fleet rationalization at

most airlines around the world, and despite high fuel costs, airlines are better posi-

tioned today than at any time this decade. Many favorable trends have emerged

01

02

03

04

05

including rising yields, record load factors, and demand growing faster than capacity

in numerous markets. Orders for new aircraft continue at strong levels. Europe 

continues to do well. Market growth in China and India is very impressive, as are

forecasts for future growth in these areas. It follows that in a global market like this

demand for leased spare engines is strong.

The strength in the market is attracting new participants, including hedge funds and

professional money managers. While these new entrants add to the competition in

the engine market, they also provide another source of liquidity for engine sales. 

We now have engine pooling arrangements in both China and Europe and look for-

ward to further developing this innovative marketing tool. I believe engine sharing

pools will ultimately change the way many engines are leased in the future. In addi-

tion to the engines contributed by the airline members, Willis Lease is the exclusive

supplier of additional engines to these pools as the fleets mature. Willis Lease is 

2

PRESIDENT’S  LETTER   0 2005 Annual Report

carving out a very important and strategic role for itself in the market, creating 

predictable demand for spare engines and raising the bar for competitors.

Shareholders’ Equity

(in millions)

$130

$120

$110

$100

$90

$80

01

02

03

04

05

The diversity of our engine portfolio is one of our core strengths allowing us to compete

in the global market at a level few of our competitors can match. In fact, our largest

competitors are original equipment manufacturers, who generally only offer their own

brand of engine. Customers who want the ease of one-stop shopping call Willis Lease

first when they need an engine. 

The quality of our people continues to provide us with a significant competitive advantage.

Every one of our employees contributes greatly to our success. No one in the industry

can place an engine with a customer in an emergency faster than we can. Strengths like

these have allowed us, as a small company, to compete effectively against some very

large companies and to do so in a consistently profitable way. 

One area where we are at a competitive disadvantage, however, is regulatory oversight

and compliance. We strongly support the proposition that financial statements must be

accurate, reliable, and based on a consistent set of rules applicable to all companies. We

are striving to ensure that our accounting and internal controls are consistent with best

practices. Changes which have taken place as a result of the recent accounting scandals,

however, place disproportionate burdens on smaller public companies like Willis Lease.

These burdens put us at a competitive disadvantage with our major competitors, who 

are either not public and thus not subject to these rules or are part of very large public

companies. We have found dealing with this new environment to be costly both in terms

of expense and senior management time, and unless some relief is granted the costs will

be even greater in the future.

Without question, 2005 was a momentous year for Willis Lease. With an excellent capital

base and strong liquidity, we are better positioned to take advantage of growth opportuni-

ties in our market than at any time in our history. In addition, we are looking at new areas

for growth in emerging engine markets, including corporate, commuter, and cogeneration

opportunities as they become available. We appreciate the support of our common

shareholders and welcome the new preferred shareholders to our shareholder base. 

We are looking forward to a fast-paced and dynamic year in 2006, and will continue 

to do our best to build value for all shareholders. 

Sincerely,

CHARLES F. WILLIS, IV

President and Chief Executive Officer

March 31, 2006

3

W I L L I S   L E A S E   F I N A N C E   C O R P O R AT I O N  0

All About Asset-Backed Securities (ABS)

All About WEST (Willis Engine Securitization Trust)

One of the first asset-backed securities

This asset-backed securitization was not only significant for Willis Lease, but also 

and one that is most familiar to

was a landmark transaction in the aviation finance industry. It was recognized as

investors is mortgage-backed bonds,

the “Overall Deal of the Year” by Airfinance Journal, and “Transportation Deal of 

from GNMA and FNMA, or more com-

the Year” by Structured Finance International.

monly known as “Ginnie Mae” and

“Fannie Mae” bonds. With the original

Ginnie Mae pass-through bonds,

investors earn a monthly return of prin-

ciple and interest from the underlying

mortgage holders. Today, a wide variety

of assets are used as collateral for ABS

deals, including credit card receiv-

ables, auto loans, student loans, ship-

ping containers, aircraft, equipment

leases, and now aircraft engine leases.

Asset-backed securities now come with

a wide variety of structural features and

payment schedules. The ABS market

has expanded rapidly in the past sever-

al years, and there is now more than

$1.5 trillion in these debt instruments

outstanding.

4

The WEST offering was unique in a number of ways. It was the first ABS transaction

backed by a flexible pool of leased jet engines. It was also the first offering in the

aviation industry in the past four years to be issued without an insurance guaranty.

While ABS issues are traditionally secured by a fixed pool of assets, WEST allows

us to manage the portfolio by limited trading of the assets in the pool. This flexibili-

ty allows us to adapt to changes in aircraft fleets and customer demand over time,

benefiting both the Company and the note holders.

WEST extended the maturity on over half of our debt, better matching debt maturi-

ty to asset life. In addition, the notes have no fixed amortization. The notes are

repaid from rents actually collected. We expect these bonds to be fully repaid in

13–15 years, based on projections that adjust for normal business cycles; however,

if there were to be a catastrophic event that affects our business or a severe reces-

sion, the structure provides for the notes to amortize for as long as 25 years. This

flexibility is extremely valuable in a cyclical business.

The securities are structured with a senior and subordinate tranche. The senior

notes earned investment grade ratings of A from Fitch and BAA1 from Moody’s.

Consequently, the pricing was comparable to bank debt, but the longer term 

makes them more attractive to us.

The structure of the WEST transaction establishes a master trust, which is a vehicle

for issuing future notes. It also included a warehouse credit facility secured by the

same pool of assets. This structure gives us the ability to place additional term

notes in the future as the warehouse facility fills up. When term notes are issued 

to refinance the warehouse borrowings, the warehouse is expected to once again 

be available for new engine financings, giving us a platform to fund our growth 

into the future.

FINANCIAL  INFORMATION   0 2005 Annual Report

Selected Financial Data

The following table summarizes selected consolidated financial data and operating information of the

Company. The selected consolidated financial and operating data should be read in conjunction with 

the Consolidated Financial Statements and Notes thereto and “Management’s Discussion and Analysis 

of Financial Condition and Results of Operations” in Form 10-K included with this report.

Years ended December 31,

(in thousands except per share data)

2005

2004
(as restated)

2003
(as restated)

2002 
(as restated)

2001
(as restated)

Revenue
Lease revenue

Total revenue

Expenses
Depreciation expense
Write-down of equipment
General and administrative
Total net finance costs

Total expenses

$   63,119

$   58,177

$   56,977

$   55,397

$   70,546

$   61,939

$   59,869

$   55,879

$   25,291
81
16,880
22,759

$   23,198
577
14,791
15,451

$   21,686
1,272
13,852
15,873

$   19,449
3,052
14,439
14,234

$   60,515

$   66,151

$ 16,485
962
13,136 
26,457

65,011

54,017

52,683

51,174

57,040

Net income from continuing operations

$

4,177

$

5,483

$     5,093

Discontinued operations (net)
Net income

—
$     4,177

—
$     5,483 

—
$     5,093 

Diluted earnings from continuing operations 

per common share 

Diluted average common shares outstanding 

$       0.44
9,515

$       0.59 
9,276 

$       0.57 
8,888 

$

$

$

3,835

—
3,835 

0.43 
8,851 

$

$

$

5,828

(699)
5,129 

0.66 
8,892 

Balance Sheet Data
Equipment held for operating lease
Total assets 
Common shareholders’ equity  

$ 540,657
$ 655,677
$ 121,473

$ 503,522 
$ 585,458 
$ 116,468 

$ 491,629
$ 560,022 
$ 110,062

$ 485,670
$ 542,995
$ 104,905

$ 487,042
$ 531,453
$ 100,956

As noted above, certain items have been restated. Refer to Part II, Item 7, of the 2005 Form 10-K for further discussion.

Forward-Looking Statements

Except for historical information, the matters discussed in this Annual Report contain forward-looking statements that involve risks and
uncertainties. Do not unduly rely on forward-looking statements, which give only expectations about the future and are not guarantees.
Forward-looking statements speak only as of the date they are made; and we undertake no obligation to update them. Our actual results
may differ materially from the results discussed in forward-looking statements. Factors that might cause such a difference include, but
are not limited to, the effects on the airline industry and the global economy of events such as terrorist activity, changes in oil prices and
other disruptions to world markets; trends in the airline industry, including growth rates of markets and other economic factors; risks
associated with owning and leasing jet engines and aircraft; our ability to successfully negotiate equipment purchases, sales and leases,
to collect amounts due and control costs; changes in interest rates and availability of capital to us and our customers; our ability to 
continue to meet changing customer demands; regulatory changes affecting airline operations, aircraft maintenance, accounting and 
tax standards; the market value of engines; and other risks detailed in our Annual Report on Form 10-K and other continuing reports 
filed with the Securities and Exchange Commission.

UNITED STATES 
SECURITIES AND EXCHANGE COMMISSION 

Washington, D.C. 20549 

FORM 10-K 

(cid:58)  Annual Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 

for the fiscal year ended December 31, 2005 

(cid:134)  Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 

Commission File Number: 0-28774 

WILLIS LEASE FINANCE CORPORATION 

(Exact name of registrant as specified in its charter) 

Delaware 
(State or other jurisdiction of incorporation or organization) 

68-0070656 
(IRS Employer Identification No.) 

2320 Marinship Way, Suite 300, Sausalito, CA 
(Address of principal executive offices) 

94965 
(Zip Code) 

Registrant’s telephone number, including area code (415) 275-5100 

Securities registered pursuant to Section 12(b) of the Act: 
None. 

Securities registered pursuant to Section 12(g) of the Act: 

Title of Each Class 
Common Stock 
Preferred Stock 

Name of each exchange on which registered 
NASDAQ 
NASDAQ 

Indicate by check mark if the Registrant is a well-known seasoned issuer as defined in Rule 405 of the Securities Act. 

Yes  (cid:134)    No  (cid:58) 

Indicate by check mark if the Registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. 

Yes  (cid:134)    No  (cid:58) 

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act 

of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such 
filing requirements for the past 90 days.  Yes  (cid:58)    No  (cid:134) 

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be 

contained, to the best of the registrant’s knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or 
any amendments to this Form 10-K. (cid:58) 

Indicate by check mark whether the Registrant is a large accelerated filer, an accelerated filer, or a non-accelerated filer. See definition of 

“accelerated filer and large accelerated filer” in Rule 12b-2 of the Exchange Act. (Check one): 

Large accelerated filer  (cid:134)      Accelerated filer  (cid:134)      Non-accelerated filer  (cid:58) 

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). 

Yes  (cid:134)    No  (cid:58) 

The aggregate market value of voting stock held by non-affiliates of the registrant as of the last business day of the registrant’s most recently 

completed second fiscal quarter (June 30, 2005) was approximately $48.7 million (based on a closing sale price of $8.00 per share as reported on the 
NASDAQ National Market). 

The number of shares of the registrant’s Common Stock outstanding as of March 30, 2006 was 9,155,561. 

The Company’s Proxy Statement for the 2006 Annual Meeting of Stockholders is incorporated by reference into Part III of this 10-K. 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
WILLIS LEASE FINANCE CORPORATION 
2005 FORM 10-K ANNUAL REPORT 

TABLE OF CONTENTS 

PART I 

Item 1. 
Item 1A. 
Item 2. 
Item 3. 
Item 4. 

Business 
Risk Factors 
Properties 
Legal Proceedings 
Submission of Matters to a Vote of Security Holders 

PART II 

Item 5. 
Item 6. 
Item 7. 
Item 7A. 
Item 8. 
Item 9. 
Item 9A. 

Market for Registrant’s Common Equity and Related Stockholder Matters 
Selected Financial Data 
Management’s Discussion and Analysis of Financial Condition and Results of Operations 
Quantitative and Qualitative Disclosures About Market Risk 
Financial Statements and Supplementary Data 
Changes in and Disagreements with Accountants on Accounting and Financial Disclosure 
Controls and Procedures 

PART III 

Item 10. 
Item 11. 
Item 12. 
Item 13. 
Item 14. 

Directors and Executives Officers of the Registrant 
Executive Compensation 
Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters 
Certain Relationships and Related Transactions 
Principal Accountant Fees and Services 

Item 15. 

Exhibits and Financial Statement Schedules 

PART IV 

3
9
19
20
20

20
21
21
29
30
30
30

31
31
31
31
32

32

2 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ITEM 1. 

BUSINESS 

INTRODUCTION 

PART I 

Willis Lease Finance Corporation with its subsidiaries is a leading lessor of commercial aircraft engines. Our 
strategy is to provide leasing services to a diversified group of customers worldwide. In particular, we provide this service to 
commercial aircraft operators and maintenance and repair organizations (“MROs”). 

Commercial aircraft operators need engines in addition to those installed in the aircraft that they operate. These 

spare engines are required for various reasons including requirements that engines be inspected and repaired at regular 
intervals based on equipment utilization. Furthermore, unscheduled events such as mechanical failure, FAA airworthiness 
directives or manufacturer-recommended actions for maintenance, repair and overhaul of engines result in the need for spare 
engines. Commercial aircraft operators and others in the industry generally estimate that the total number of spare engines 
needed is approximately 15% of the total number of installed engines. Today it is estimated that there are nearly 35,000 
engines installed on commercial aircraft (excluding regional jets). Accordingly, we estimate that there are approximately 
5,000 spare engines in the market, including both owned and leased spare engines. 

Our engine portfolio consists of noise-compliant Stage III commercial jet engines manufactured by CFMI, General 
Electric, Pratt & Whitney, Rolls Royce and International Aero Engine. These engines generally may be used on one or more 
aircraft types and are the most widely used engines in the world, powering Airbus, Boeing and McDonnell Douglas aircraft. 
Our portfolio is continually changing due to acquisitions and sales. As of December 31, 2005, we had a total lease portfolio 
consisting of 124 engines and related equipment, five aircraft, and three spare parts packages with 50 lessees in 27 countries 
and an aggregate net book value of $540.7 million. We also seek, from time to time, to act as leasing agent of engines for 
other parties. 

We hold a fifty percent membership interest in a joint venture, WOLF A340, LLC, a Delaware limited liability 

company, (“WOLF”). On December 30, 2005, WOLF completed the purchase of two Airbus A340-313 aircraft from Boeing 
Aircraft Holding Company for a purchase price of $96 million. These aircraft are currently leased to Emirates with remaining 
lease terms of 90 and 92 months. Our investment in the joint venture is $8.9 million. 

We are a Delaware corporation, incorporated in 1996. Our executive offices are located at 2320 Marinship Way, 

Suite 300, Sausalito, California 94965. We transact business directly and through our subsidiaries unless otherwise indicated. 

We maintain a website at www.willislease.com where our Annual Reports on Form 10-K, Quarterly Reports on 

Form 10-Q, Current Reports on Form 8-K and all amendments to those reports are available without charge, as soon as 
reasonably practicable following the time they are filed with or furnished to the SEC. You may read and copy any materials 
we file with the SEC at the SEC’s public reference room at 100 F Street, NE, Washington, DC 20549. You may obtain 
information on the operation of the Public Reference Room by calling the SEC at 1-800-SEC-0300. The SEC also maintains 
an electronic Internet site that contains our reports, proxy and information statements, and other information at 
http://www.sec.gov. 

We do not break our business into multiple segments. Instead, we consider our continuing operations to operate in 

one reportable segment. 

THE WEST SECURITIZATION 

Willis Engine Securitization Trust, or “WEST,” is a special-purpose, bankruptcy-remote, Delaware statutory trust 

that is wholly-owned by us and consolidated in our financial statements. We established WEST to acquire and finance 
engines owned by another of our wholly-owned subsidiaries, WEST Engine Funding LLC (formerly Willis Engine Funding 
LLC). In August 2005 WEST issued and sold four series of notes to finance its acquisition of 61 engines. WEST’s 
obligations under these notes are serviced by revenues from the lease and disposition of its engines, and are secured by all its 
assets, including all its interests in its engines, its subsidiaries, restricted cash accounts, engine maintenance reserve accounts, 
all proceeds from the sale or disposition of engines, and all insurance proceeds. We have not guaranteed any obligations of 
WEST and none of our assets secure such obligations. 

We are the servicer and administrative agent for WEST. Our annual fees for these services are 11.5% as servicer and 

2.0% as administrative agent of the aggregate net rents actually received by WEST on its engines, and such fees are payable 
to us monthly. We are also paid a fee of 3% of the net proceeds from the sale of any engines. As WEST is consolidated in our 
financial statements these fees eliminate on consolidation. Proceeds from engine sales will be used, at WEST’s election, to 
reduce WEST’s debt or to acquire other engines. 

3 

 
 
 
 
 
 
 
 
 
 
 
 
 
At the closing, WEST agreed to acquire 61 engines from us by acquiring WEST Engine Funding LLC (58 engines) 
and three engines directly from us. As a result of the transfer of engines from us to WEST, we no longer have access to these 
engines and they are managed to repay the note holders of WEST and for us as the equity holder of WEST. These 
transactions did not change the book value of the engines in the consolidated financial statements. 

WEST acquired these engines from us with the net proceeds of the issuance of $228.3 million aggregate principal 

amount of secured term notes issued by WEST (also called the Series 2005-A1 Floating Rate Notes and Series 2005-B1 
Floating Rate Notes) (collectively, the “Asset-Backed Securitization”). We used these funds net of a $3.0 million discount on 
the Series 2005 A-1 Floating Rate Notes to pay off $203.7 million of our indebtedness, pay transaction expenses of 
approximately $6.4 million, fund the liquidity facilities for the trust of approximately $9.4 million and received cash of 
approximately $6.0 million for general corporate purposes. WEST also provides a warehouse financing facility of 
approximately $113.6 million in aggregate principal amount of secured revolving notes (also called Series 2005-A2 Floating 
Rate Notes and Series 2005-B2 Floating Rate Notes), which may be increased, subject to certain conditions, to 
$171.4 million to acquire additional engines for lease, to maintain engines and pay certain amounts on WEST’s term notes. 

WEST gives us the flexibility to manage the portfolio to adapt to changes in aircraft fleets and customer demand 

over time, benefiting both us and the investors. The Asset-Backed Securitization provides a significant improvement to our 
capital structure by better matching debt maturity to asset life. It includes a $113.6 million warehouse facility to provide 
additional borrowing capacity, which offers new capital to fund growth and, more importantly, provides a structure for 
regular placement of additional term notes in the future as the warehouse matures. When term notes are issued to refinance 
the warehouse borrowings, the warehouse will again be available for new engine purchases, giving us a platform to fund our 
growth into the future. 

OUR COMPETITIVE ADVANTAGES 

We are uniquely positioned in the market and remain competitive, in part, due to the following advantages: 

•  We have an entrepreneurial culture and our size and independent ownership structure gives us a unique ability 

to move faster than our competition. 

•  Our independent ownership allows us to meet our customer needs without regard to any potentially conflicting 

affiliate demands to use their engines or services. 

•  We have significant technical expertise and experience. 

•  We have extensive industry contacts/relationships—worldwide. 

•  We have a trusted reputation for quality engines and engine records. 

•  We have a diverse portfolio by customer, geography and engine type. 

•  We have a diverse product offering (by engine type and types of leases). 

MARKET OVERVIEW FOR SPARE ENGINES 

Historically, commercial aircraft operators owned rather than leased their engines. As engines become more 
powerful and technically sophisticated, they also become more expensive to acquire and maintain. In part due to cash 
constraints on commercial aircraft operators and the costs associated with engine ownership, commercial aircraft operators 
have become more cost-conscious and now utilize operating leases for a portion of their engines. As a result, commercial 
aircraft operators are able to better manage their finances in this capital-intensive business. Engine leasing is a specialized 
business that has evolved into a discrete sector of the commercial aviation market. Participants in this sector need access to 
capital, as well as specialized technical knowledge, in order to compete successfully. 

Growth in the spare engine leasing industry is dependent on two fundamental drivers: 

• 

• 

the number of commercial aircraft, and therefore engines, in the market; and 

the proportion of engines that are leased, rather than owned, by commercial aircraft operators. 

We believe both drivers will increase over time. 

4 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Increased number of aircraft, and therefore engines, in the market 

We believe that the number of commercial and cargo aircraft, and hence spare engines, will increase. Airbus 

Industries estimates that there are roughly 11,000 aircraft (excluding regional jets) as of 2004 and projects this will grow to 
approximately 21,500 aircraft (excluding regional jets) by 2023. Aircraft equipment manufacturers have predicted such an 
increase in aircraft to address the rapid growth of both passenger and cargo traffic in the Asian markets, as well as demand 
for new aircraft in more mature markets. 

Increased lease penetration rate 

Spare engines provide support for installed engines in the event of routine or other engine maintenance or 
unscheduled removal. The number of spare engines needed to service any fleet is determined by many factors. These factors 
include: 

• 

• 

• 

• 

• 

the number and type of aircraft in an aircraft operator’s fleet; 

the geographic scope of such aircraft operator’s destinations; 

the time an engine is on-wing between removals; 

average shop visit time; and 

the number of spare engines an aircraft operator requires in order to ensure coverage for predicted and 
unscheduled removals. 

We believe that commercial aircraft operators are increasingly considering their spare engines as significant capital 

assets, where operating leases may be more attractive than capital leases or ownership of spare engines. Some believe that the 
industry estimate (that the total number of spare engines is approximately 15% of the total number of installed engines 
needed) is likely a conservative estimate. Some also believe that currently as many as 20% of the spare engine market falls 
under the category of leased engines. Industry analysts have forecast that the percentage of leased engines is likely to rise 
over the next 15 years as engine leasing follows the growth of aircraft leasing. We believe this is due to the increasing cost of 
newer engines, the anticipated modernization of the worldwide aircraft fleet and the significant cost associated therewith, and 
the emergence of new niche-focused airlines which generally use leasing in order to obtain their capital assets. 

ENGINE LEASING 

As of December 31, 2005, all of our leases to air carriers, manufacturers and MROs are operating leases as opposed 
to finance leases. Although we have no current plans to enter into finance leases, we may decide to enter into finance leases 
in the future. Under operating leases, we retain the potential benefit and assume the risk of the residual value of the aircraft 
equipment, in contrast to capital or financing leases where the lessee has more of the potential benefits and risks of 
ownership. Operating leases allow commercial aircraft operators greater fleet and financial flexibility due to the relatively 
small initial capital outlay necessary to obtain use of the aircraft equipment, and the availability of short and long term leases 
to better meet their needs. Operating lease rates are generally higher than finance lease rates, in part because of the risks 
associated with the residual value. 

We describe all of our current leases as triple-net operating leases. A triple-net operating lease requires the lessee to 
make the full lease payment and pay any other expenses associated with the use of the engines, such as maintenance, casualty 
and liability insurance, sales or use taxes and personal property taxes. The leases contain detailed provisions specifying the 
lessees’ responsibility for engine damage, maintenance standards and the required condition of the engine upon return at the 
end of the lease. During the term of the lease, we generally require the lessee to maintain the engine in accordance with an 
approved maintenance program designed to meet applicable regulatory requirements in the jurisdictions in which the lessee 
operates. Under short-term leases and certain medium-term leases, we may undertake a portion of the maintenance and 
regulatory compliance risk. 

We try to mitigate risk where possible. For example, we make an analysis of the credit risk associated with the 

lessee before entering into any significant lease transaction. Our credit analysis generally consists of evaluating the 
prospective lessee’s financial standing by utilizing financial statements and trade and/or banking references. In certain 
circumstances, we may require our lessees to provide additional credit support such as a letter of credit or a guaranty from a 
bank or a third party or a security deposit. We also evaluate insurance and expropriation risk and evaluate and monitor the 
political and legal climate of the country in which a particular lessee is located in order to determine our ability to repossess 
our engines should the need arise. Despite these guidelines, we cannot give assurance that we will not experience collection 

5 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
problems or significant losses in the future. See “Risk Factors” below. 

At the commencement of a lease, we may collect, in advance, a security deposit (normally equal to at least one 

month’s lease payment), and during the term of the lease, maintenance reserves from the lessee based on the lessee’s use of 
the engine. The security deposit is returned to the lessee after all return conditions have been met. Maintenance reserves are 
collected and are used when normal repairs associated with engine use or maintenance are required. Under longer-term 
leases, to the extent that cumulative maintenance reserves are inadequate to fund normal repairs required prior to return of the 
engine to us, the lessee is obligated to cover the shortfall. Recovery is therefore dependent upon the financial condition of the 
lessee.  

During the lease period, our leases require that maintenance and inspection of the leased engines be performed at 

qualified maintenance facilities certified by the FAA or its foreign equivalent. In addition, when an engine comes off-lease, it 
undergoes inspection to verify compliance with lease return conditions. Our management believes that our attention to our 
lessees, and our emphasis on maintenance and inspection helps preserve residual values and generally helps us to recover our 
investment in our leased engines. 

Upon termination of a lease, we will lease or sell the related engines. The demand for aftermarket engines for either 

sale or lease may be affected by a number of variables, including: 

• 

• 

• 

• 

• 

• 

general market conditions; 

regulatory changes (particularly those imposing environmental, maintenance and other requirements on the 
operation of engines); 

changes in demand for air travel; 

fuel costs; 

changes in the supply and cost of aircraft equipment; and 

technological developments. 

In addition, the value of particular used engines varies greatly depending upon their condition, the maintenance 
services performed during the lease term and, as applicable, the number of hours or cycles remaining until the next major 
maintenance is required. If we are unable to lease or sell engines on favorable terms, our financial results and our ability to 
service debt may be adversely affected. See “Risk Factors” below. 

The value of a particular model of engine is heavily dependent on the status of the types of aircraft on which it is 
installed. We believe values of engines tend to be stable so long as the host aircraft for the engines as well as the engines 
themselves are still being manufactured. Prices will also tend to remain stable and even rise after a host aircraft is no longer 
manufactured (for example, Boeing has recently discontinued production of the 757 without a concomitant drop in related 
engine values), so long as there is sufficient demand for the host aircraft. However, the value of an engine begins to decline 
rapidly once the host aircraft begins to be retired from service and/or parted out in significant numbers. Values of engines 
also may decline because of manufacturing defects that may surface subsequently. 

As of December 31, 2005, we had a total lease portfolio of 124 aircraft engines and related equipment, three spare 
parts packages, five aircraft and various parts and other engine-related equipment with an aggregate original cost of $638.2 
million in our lease portfolio. As of December 31, 2004, we had a total lease portfolio of 115 aircraft engines and related 
equipment, three spare parts packages, five aircraft and various parts and other engine-related equipment with an aggregate 
original cost of $587.4 million in our lease portfolio. 

6 

 
 
 
 
 
 
 
 
 
 
 
 
  
As of December 31, 2005, minimum future rentals under noncancelable operating leases of these engines, parts and 

aircraft assets were as follows: 

Year 
2006 
2007 
2008 
2009 
2010 
Thereafter 

(in thousands) 

42,052  
30,777  
20,938  
14,405  
12,026  
8,689  
128,887  

  $

  $ 

 As of December 31, 2005, we had 50 lessees of commercial aircraft engines, aircraft, and other aircraft-related 

equipment in 27 countries. We do not believe we are dependent on a single customer or a few customers the loss of which 
would have a material adverse effect on our revenues. 

AIRCRAFT LEASING 

As of December 31, 2005, we owned five DeHaviland DHC-8-100 turboprop aircraft, all of which we lease to Island 

Air. Island Air leases the aircraft from us under noncancelable leases that generate lease revenue of approximately 
$2.5 million per year for the remaining periods of between one and three years. These aircraft have a net book value of 
$13.9 million. 

Island Air was acquired from its former parent, Aloha Airlines on May 11, 2004 by a company controlled by 
Charles F. Willis, IV, our Chairman of the Board, Chief Executive Officer and controlling stockholder. Aloha Airlines 
guaranteed Island Air’s obligations under four of our aircraft leases, but Aloha Airlines filed for reorganization under Chapter 
11 of the Bankruptcy Code in December 2004. With its emergence from Chapter 11 in February 2006, Aloha Airlines’ 
obligations under its guranty were discharged. The five leases are still performing, and, the lessee is current on all obligations 
and no provision has been made for any loss. 

Our aircraft leases are “triple-net” leases and the lessee is responsible for all operating expenses, including fuel, 

crews, airport and navigation and landing charges, taxes, licenses, registration and insurance. In addition, the lessee is 
responsible for normal maintenance and repairs, engine and airframe overhauls, and compliance with return conditions of 
flight equipment on lease. Under the provisions of many leases, for certain engine and airframe overhauls, we reimburse the 
lessee for costs incurred up to but not exceeding maintenance reserves the lessee has paid to us. The lessee is also responsible 
for compliance with all applicable laws and regulations with respect to the aircraft. We require our lessees to comply with 
FAA requirements. We periodically inspect our leased aircraft. Generally, we require a deposit as security for the lessee’s 
performance of obligations under the lease and the condition of the aircraft upon return. In addition, the leases contain 
extensive provisions regarding our remedies and rights in the event of a default by the lessee and specific provisions 
regarding the condition of the aircraft upon return. The lessee is required to continue to make lease payments under all 
circumstances, including periods during which the aircraft is not in operation due to maintenance or grounding. 

We hold a fifty percent membership interest in a joint venture, WOLF A340, LLC, a Delaware limited liability 

company, (“WOLF”). On December 30, 2005, WOLF completed the purchase of two Airbus A340-313 aircraft from Boeing 
Aircraft Holding Company for a purchase price of $96 million. These aircraft are currently on lease to Emirates until 2013. 
Our investment in the joint venture is $8.9 million. 

COMPETITION 

The markets for our products and services are very competitive, and we face competition from a number of sources. 

These competitors include aircraft engine and aircraft parts manufacturers, aircraft and aircraft engine lessors, airline and 
aircraft service and repair companies and aircraft spare parts distributors. Many of our competitors have substantially greater 
resources than us. Those resources may include greater name recognition, larger product lines, complementary lines of 
business, greater financial, marketing, information systems and other resources. In addition, equipment manufacturers, 
aircraft maintenance providers, FAA certified repair facilities and other aviation aftermarket suppliers may vertically 
integrate into the markets that we serve, thereby significantly increasing industry competition. We can give no assurance that 
competitive pressures will not materially and adversely affect our business, financial condition or results of operations. See 
“Risk Factors”. 

7 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
INSURANCE 

In addition to requiring full indemnification under the terms of our leases, we require our lessees to carry the types 

of insurance customary in the air transportation industry, including comprehensive third party liability insurance and physical 
damage and casualty insurance. We require that we be named as an additional insured on liability insurance with the 
Company and its lenders normally identified as the loss payee for damage to the equipment on policies carried by lessees. We 
monitor compliance with the insurance provisions of the leases. We also carry contingent physical damage and third party 
liability insurance as well as product liability insurance. 

GOVERNMENT REGULATION 

Our customers are subject to a high degree of regulation in the jurisdictions in which they operate. For example, the 

FAA regulates the manufacture, repair and operation of all aircraft operated in the United States and equivalent regulatory 
agencies in other countries, such as the Joint Aviation Authority (“JAA”) in Europe, regulate aircraft operated in those 
countries. Such regulations also indirectly affect our business operations. All aircraft operated in the United States must be 
maintained under a continuous condition-monitoring program and must periodically undergo thorough inspection and 
maintenance. The inspection, maintenance and repair procedures for commercial aircraft are prescribed by regulatory 
authorities and can be performed only by certified repair facilities utilizing certified technicians. The FAA can suspend or 
revoke the authority of air carriers or their licensed personnel for failure to comply with regulations and ground aircraft if 
their airworthiness is in question. 

While our leasing and reselling business is not regulated, the aircraft, engines and engine parts that we leases and 

sells to our customers must be accompanied by documentation that enables the customer to comply with applicable 
regulatory requirements. Furthermore, before parts may be installed in an aircraft, they must meet certain standards of 
condition established by the FAA and/or the equivalent regulatory agencies in other countries. Specific regulations vary from 
country to country, although regulatory requirements in other countries are generally satisfied by compliance with FAA 
requirements. Presently, whenever necessary, with respect to a particular engine or engine component, we utilize FAA and/or 
JAA certified repair stations to repair and certify engines and components to ensure marketability.  

Effective January 1, 2000, federal regulations stipulate that all aircraft engines hold, or be capable of holding, a 

noise certificate issued under Chapter 3 of Volume 1, Part II of Annex 16 of the Chicago Convention, or have been shown to 
comply with Stage III noise levels set out in Section 36.5 of Appendix C of Part 36 of the FAA Regulations of the United 
States if the engines are to be used in the continental United States. Additionally, much of Europe has adopted similar 
regulations. As of December 31, 2005, all of the engines in our lease portfolio are Stage III engines and are generally suitable 
for use on one or more commonly used aircraft. 

We believe that the aviation industry will be subject to continued regulatory activity. Additionally, increased 
oversight has and will continue to originate from the quality assurance departments of airline operators. We have been able to 
meet all such requirements to date, and believe that we will be able meet any additional requirements that may be imposed. 
We cannot give assurance, however, that new, more stringent government regulations will not be adopted in the future or that 
any such new regulations, if enacted, would not have a material adverse impact on us. 

GEOGRAPHIC AREAS IN WHICH WE OPERATE 

Most of our engines, related aircraft parts and equipment (all of which we sometimes refer to as “equipment”) are 
leased; approximately 84% is operated internationally. All leases relating to this equipment are denominated and payable in 
U.S. dollars, which is customary in the industry. Future leases may provide for payments to be made in Euros or other foreign 
currencies. We lease our equipment to lessees domiciled in 9 geographic regions. We are subject to a number of risks related 
to our foreign operations. See “Risk Factors” below. 

8 

 
 
 
 
 
 
 
 
The following table displays the regional profile of our lease customer base for the years ended December 31, 2005, 
2004 and 2003. No single country other than the United States accounted for more than 10% of our lease revenue for any of 
those periods. The tables include geographic information about our leased equipment grouped by the lessee’s domicile 
(which does not necessarily indicate the asset’s actual location): 

  Year Ended December 31, 2005 

  Year Ended December 31, 2004 

  Year Ended December 31, 2003 

Lease 
Revenue 

  Percentage 

Lease 
Revenue 

  Percentage 

(dollars in thousands) 

Lease 
Revenue 

Percentage 

United States 
Canada 
Mexico 
Australia/New Zealand 
Europe 
South America 
Asia 
Africa 
Middle East 
Total 

  $

  $

10,167   
—   
4,658   
—   
22,716   
9,985   
9,649   
780   
5,164   
63,119   

FINANCING/SOURCE OF FUNDS 

16 %  $
—   
8   
—   
36   
16   
15   
1   
8   
100 %  $

8,094   
238   
4,225   
670   
25,943   
8,452   
4,889   
1,064   
4,602   
58,177   

14 %  $
—   
7   
1   
45   
15   
8   
2   
8   
100 %  $

6,373   
1,042   
4,349   
853   
25,310   
7,576   
5,540   
1,373   
4,561   
56,977   

11 %
2   
8   
1   
45   
13   
10   
2   
8   
100 %

We, directly or through WEST, typically acquire engines with a combination of equity capital and funds borrowed 
from financial institutions. In order to facilitate financing and leasing of engines, each engine is generally owned through a 
statutory or common law trust that is wholly-owned by us or our subsidiaries. We usually borrow 80% to 83% of an engine 
purchase price. Substantially all of our assets secure our related indebtedness. We typically acquire engines from airlines in a 
sale-lease back transaction, from engine manufacturers or from other lessors. From time to time, we selectively acquire 
engines prior to a firm commitment to lease or sell the engine, depending on the price of the engine, market demand with the 
expectation that we can lease or sell such engines. 

RECENT DEVELOPMENTS 

On February 7, 2006, we completed our public offering of 3,475,000 shares of our 9.0% Series A Cumulative 

Redeemable Preferred Stock with a liquidation preference of $10 per share, or approximately $34.8 million in total. After 
underwriting commissions and expenses of issuance, we received net proceeds of approximately $32.9 million. The preferred 
stock accrues cash dividends from the date of issuance at a rate of 9.0% per annum, or approximately $260,625 per month. 
The first dividend payment was paid March 15, 2006. The payment of dividends is at the discretion of our board of directors. 
The Series A Preferred Stock, which is a new series of our capital stock, is traded on the NASDAQ National Market under 
the symbol WLFCP. 

EMPLOYEES 

As of December 31, 2005, we had 47 full-time employees (excluding consultants), in sales and marketing, technical 

service and administration. None of our employees is covered by a collective bargaining agreement and we believe our 
employee relations are satisfactory. 

ITEM 1A. 

RISK FACTORS 

The following risk factors and other information included in this Annual Report should be carefully considered. The 
risks and uncertainties described below are not the only ones we face. Additional risks and uncertainties not presently known 
to us or that we currently deem immaterial also may impair our business operations. If any of the following risks occur, our 
business, financial condition, operating results, and cash flows could be materially adversely affected. 

9 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
RISKS RELATING TO OUR BUSINESS 

We are affected by the risks faced by commercial aircraft operators and MROs because they are our customers. 

Commercial aircraft operators are engaged in economically sensitive, highly cyclical and competitive businesses. 
We are a supplier to commercial aircraft operators and MROs. As a result, we are indirectly affected by all the risks facing 
commercial aircraft operators and MROs, which are beyond our control. Our results of operations depend, in part, on the 
financial strength of our customers and our customers’ ability to compete effectively in the marketplace and manage their 
risks. These risks include, among others: 

• 

• 

• 

• 

• 

• 

• 

• 

general economic conditions in the countries in which our customers operate, including changes in gross 
domestic product; 

demand for air travel and air cargo shipments; 

changes in interest rates and the availability and terms of credit available to commercial aircraft operators; 

security, terrorism, war, health and political instability; 

environmental compliance and other regulatory costs; 

labor contracts, labor costs and stoppages at commercial aircraft operators; 

aircraft fuel prices and availability; 

technological developments; 

•  maintenance costs; 

• 

• 

• 

airport access and air traffic control infrastructure constraints; 

insurance and other operating costs incurred by commercial aircraft operators and MROs; and 

industry capacity, utilization and general market conditions and market prices for aviation equipment. 

To the extent that our customers are negatively affected by these risk factors, we may experience: 

• 

• 

• 

• 

a decrease in demand for some engine types in our portfolio; 

greater credit risks from our customers, and a higher incidence of lessee defaults and repossessions; 

an inability to quickly lease engines and aircraft when these become available through our purchase 
commitments and regular lease terminations on commercially acceptable terms; and 

shorter lease terms, which may increase our expenses and reduce our utilization rates. 

Continuing failures by lessees to meet their maintenance and recordkeeping obligations under our leases could 
adversely affect the value of our leased engines and our ability to lease the engines in a timely manner following 
termination of the lease. 

The value and income producing potential of an engine depend heavily on it being maintained in accordance with an 
approved maintenance system and complying with all applicable governmental directives and manufacturer requirements. In 
addition, for an engine to be available for service, all records, logs, licenses and documentation relating to maintenance and 
operations of the engine must be maintained in accordance with governmental and manufacturer specifications.  

Our leases make the lessees primarily responsible for maintaining the engines, keeping related records and 

complying with governmental directives and manufacturer requirements. Over time, certain lessees have experienced and 
may experience in the future, difficulties in meeting their maintenance and recordkeeping obligations under our leases. 

10 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Our ability to determine the condition of the engines and whether the lessees are properly maintaining our engines is 

generally limited to the lessees’ reporting of monthly usage and any maintenance performed, confirmed by periodic 
inspections performed by us and third-parties. A lessee’s failure to meet its maintenance or recordkeeping obligations under a 
lease could result in: 

• 

• 

• 

• 

• 

a grounding of the related engine; 

a repossession which would likely cause us to incur additional, and potentially substantial, maintenance, 
modification or other costs in restoring the engine to an acceptable maintenance condition, offset by any 
maintenance reserves or payments received by us; 

a need to incur additional costs and devote resources to recreate the records prior to the sale or lease of the 
engine; 

the loss of lease revenue while we recreate records; and 

a lower lease rate and/or shorter lease term under any new lease entered into by us following the repossession of 
the engine. 

Any of these events may adversely affect the value of the engine, unless and until remedied, and reduce our revenues and 
increase our expenses. Should an engine become damaged during a lease and we are unable to recover from the lessee or 
insurance, we may incur a loss. 

Our operating results vary and comparisons to results for preceding periods may not be meaningful. 

Due to a number of factors, including the risks described above, our operating results may fluctuate. These 

fluctuations may also be caused by: 

• 

• 

• 

• 

• 

the timing and amount of purchases and sales of engines; 

the termination or announced termination of production of particular aircraft and engine types; 

the retirement or announced retirement of particular aircraft models by commercial aircraft operators; 

the operating history of any particular engine or engine model; and 

the length of our operating leases. 

These risks may reduce our engine utilization rates, lease margins, proceeds from engine sales, and result in higher 
legal, technical, maintenance, storage and insurance costs related to repossession and costs of engines being off-lease. As a 
result of the foregoing and other factors, the availability of engines for lease or sale periodically experiences cycles of 
oversupply and undersupply of given engine models. The incidence of an oversupply of engines may produce substantial 
decreases in engine lease rates, the appraised and resale value of engines and increase the time and costs incurred to lease or 
sell engines. 

We anticipate that fluctuations from period to period will continue in the future. As a result, we believe that 

comparisons to results for preceding periods may not be meaningful and that results of prior periods should not be relied 
upon as an indication of our future performance. 

Our customers face intense competition and some carriers are in troubled financial condition. 

The commercial aviation industry deteriorated sharply in 2001 and 2002 as a result of many factors, including the 
September 11, 2001 terrorist attacks and the related slowdown in economic activity. Since that time, we believe that airline 
traffic has recovered in most of the world. Nevertheless, some commercial aircraft operators are experiencing significant cash 
flow shortages, particularly with recent increases in fuel costs. We cannot give assurance that delinquencies and defaults on 
our leases will not increase when the market for engine operating leases experiences its next cyclical downturn. 

Certain lessees may be significantly delinquent in their rental payments and may default on their lease obligations. 

As of December 31, 2005, we had an aggregate of approximately $850,000 in lease rent and $980,000 in maintenance 
reserves payments more than 30 days past due. Our inability to collect receivables or to repossess engines or other leased 
equipment in the event of a default by a lessee could have a material adverse effect on us. 

11 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Various airlines have filed for bankruptcy, and a number of such airlines have ceased operations. In connection with 

airline bankruptcies, carriers often announce aircraft disposal plans which could affect the market for spare aircraft engines 
and the values of spare engines if the engines are removed from the aircraft and separately placed in the market. 

Two of our lessees, Varig and its subsidiary Rio Sul, which lease a total of nine engines, have recently suspended 

payments to their lessors.  These airlines filed for protection from their creditors in Brazil and the United States in June 2005.  
They owed us rent of approximately $0.7 million on the date they filed for protection, all of which was covered by security 
deposits or the $240,000 bad debt allowance established in the third quarter of 2005.  They remained current on their post-
petition obligations to us through February 2006.  They currently owe $0.4 million in rent.  We hold security deposits in 
excess of that amount against these claims.  A notice of default and demand for return of the engines has been issued.  We are 
unable to predict the future viability of these lessees.  We also lease aircraft to Hawaii Island Air, Inc. (“Island Air”), which 
operates exclusively in Hawaii, a challenging airline market in which two carriers entered bankruptcy in 2003 and 2004. 
Aloha Airlines, a guarantor of four of our aircraft leased to Island Air filed for bankruptcy in 2004. With its emergence from 
Chapter 11 in February 2006 Aloha Airlines’ obligations under its guaranty were discharged. The five leases are still 
performing and the lessee is current on all obligations and no provision has been made for any loss. 

We and our customers operate in a highly regulated industry and changes in laws or regulations may adversely 
affect our ability to lease or sell our engines. 

Licenses and consents 

We and our customers operate in a highly regulated industry. A number of our leases require specific governmental 
or regulatory licenses, consents or approvals. These include consents for certain payments under the leases and for the export, 
import or re-export of our engines. Consents needed in connection with future leasing or sale of our engines may not be 
received timely or have economically feasible terms. Any of these events could adversely affect our ability to lease or sell 
engines. 

The U.S. Department of Commerce, or the “Commerce Department,” regulates exports. We are subject to the 

Commerce Department’s and the U.S. Department of State’s regulations with respect to the lease and sale of engines and 
aircraft to foreign entities and the export of related parts. These Departments may, in some cases, require us to obtain export 
licenses for engines exported to foreign countries. The U.S. Department of Homeland Security, through the U.S. Customs 
and Border Protection, enforces regulations related to the import of engines and aircraft into the United States for 
maintenance or lease and imports of parts for installation on our engines and aircraft. 

We are prohibited from doing business with persons designated by the U.S. Department of the Treasury’s Office of 

Foreign Assets Control, or “OFAC,” on its “Specially Designated Nationals List,” and must monitor our operations and 
existing and potential lessees for compliance with OFAC’s rules. 

Civil aviation regulation 

Users of engines are subject to general civil aviation authorities, including the FAA and Joint Aviation Authorities 
in Europe, who regulate the maintenance of engines and impose airworthiness directives. Airworthiness directives typically 
set forth special maintenance actions or modifications to certain engine types or series of specific engines that must be 
implemented for the engine to remain in service. Also, airworthiness directives may require the lessee to make more frequent 
inspections of an engine or particular engine parts. Each lessee of an engine generally is responsible for complying with all 
airworthiness directives. However, if the engine is off lease, we may be forced to bear the cost of compliance with such 
airworthiness directives, and if the engine is leased, subject to the terms of the lease, if any, we may be forced to share the 
cost of compliance. 

Environmental regulation 

Governmental regulations of noise and emissions levels may be applicable where the related airframe is registered, 

and where the aircraft is operated. For example, jurisdictions throughout the world have adopted noise regulations which 
require all aircraft to comply with Stage III noise requirements. In addition to the current Stage III compliance requirements, 
the United States and the International Civil Aviation Organization, or “ICAO,” have adopted a new, more stringent set of 
“Stage IV” standards for noise levels which will apply to engines manufactured or certified beginning in 2006. At this time, 
the United States regulations would not require any phase-out of aircraft that qualify only for Stage III compliance, but the 
European Union has established a framework for the imposition of operating limitations on non-Stage IV aircraft. These 
regulations could limit the economic life of our engines or reduce their value, could limit our ability to lease or sell the non-
compliant engines or, if engine modifications are permitted, require us to make significant additional investments in the 
engines to make them compliant. 

12 

 
 
 
 
 
 
 
 
 
 
 
The United States and other jurisdictions are beginning to impose more stringent limits on the emission of nitrogen 
oxide, carbon monoxide and carbon dioxide emissions from engines, consistent with ICAO standards. These limits generally 
apply only to engines manufactured after 1999. Concerns over global warming could result in more stringent limitations on 
the operation of older, non-compliant engines. 

Any change to current tax laws or accounting principles making operating lease financing less attractive could 
adversely affect our business, financial condition and results of operations. 

Our leasing activities generate significant depreciation, which has contributed to our net operating loss. We also 

have benefited from the Extraterritorial Income Exclusion which significantly reduced our effective tax rate. As a result of 
the October 2004 enactment of the American Jobs Creation Act of 2004, this benefit is being phased out completely by the 
end of 2006 and our effective tax rate is expected to increase to the statutory rate. Changes in tax laws or accounting 
principles that affect our recognition of revenues or expenses could have a material adverse affect on our business. 

In addition, our lessees enjoy favorable accounting and tax treatment by using operating leases. Changes in tax laws 

or accounting principles that make operating leases less attractive to our lessees could have a material adverse affect on 
demand for our leases and on our business. 

Allegations that our aircraft, engines or parts have caused bodily injury or property damage expose us to liability 
claims. 

We are exposed to potential liability claims if the use of our aircraft, engines or parts is alleged to have caused 

bodily injury or property damage. Our leases require our lessees to indemnify us against these claims and to carry insurance 
customary in the air transportation industry, including liability, property damage and hull all risks insurance on our engines 
and on our aircraft at agreed upon levels. We can give no assurance that one or more catastrophic events will not exceed 
insurance coverage limits or that lessees’ insurance will cover all claims that may be asserted against us. Any insurance 
coverage deficiency or default by lessees under their indemnification or insurance obligations may reduce our recovery of 
losses upon an event of loss. 

We may not be adequately covered by insurance. 

While we maintain contingent insurance covering losses not covered by our lessees’ insurance, such coverage may 

not be available in circumstances where the lessee’s insurance coverage is insufficient. In addition, if a lessee is not obligated 
to maintain sufficient insurance, we may incur the costs of additional insurance coverage during the related lease. We are 
required under certain of our debt facilities to obtain political risk insurance for leases to lessees in specified jurisdictions. We 
can give no assurance that such insurance will be available at commercially reasonable rates, if at all. 

Currently, the U.S. government is still offering war risk insurance to U.S.-certificated airlines; however, most 

foreign governments have ceased this practice, forcing non-U.S. airlines back into the commercial insurance market for this 
coverage. It is unknown how long the U.S. government will continue to offer war risk insurance and whether U.S.-
certificated airlines could obtain war risk insurance in the commercial markets on acceptable terms and conditions. 

We and our lenders generally are named as an additional insureds on liability insurance policies carried by our 

lessees and are usually the loss payees for damage to the engines. We have not experienced any significant aviation-related 
claims or any product liability claims related to our engines or spare parts that were not insured. However, an uninsured or 
partially insured claim, or a claim for which third-party indemnification is not available, could have a material adverse effect 
upon us. A loss of an aircraft where we lease the airframe, an engine or spare parts could result in significant monetary 
claims. 

RISKS RELATING TO OUR CAPITAL STRUCTURE 

Our inability to obtain sufficient capital would constrain our ability to grow our portfolio and to increase our 
revenues. 

Our business is capital intensive and highly leveraged. Accordingly, our ability to successfully execute our business 
strategy and maintain our operations depends on the availability and cost of debt and equity capital. Additionally, our ability 
to borrow against our portfolio of engines is dependent, in part, on the appraised value of our engines. If the appraised value 
of our engines declines, we may be required to reduce the principal outstanding under certain of our debt facilities. 
Availability under such debt facilities may also be reduced, at least temporarily, as a result of such appraisal declines. 

13 

 
 
 
 
 
 
 
 
 
 
 
 
We can give no assurance that the capital we need will be available to us on favorable terms, or at all. Our inability 
to obtain sufficient capital, or to renew or expand our credit facilities could result in increased funding costs and would limit 
our ability to: 

•  meet the terms and maturities of our existing and future debt facilities; 

• 

• 

• 

add new equipment to our portfolio; 

fund our working capital needs and maintain adequate liquidity; and 

finance other growth initiatives. 

Our financing facilities impose restrictions on our operations. 

We have, and expect to continue to have, various credit and financing arrangements with third parties. These 

financing arrangements are secured by all or substantially all of our assets. Our existing credit and financing arrangements 
require us to meet certain financial condition and performance tests. Our revolving credit facility prohibits our declaring or 
paying dividends on shares of any class or series of our capital stock if an event of default under such facilities has or will 
occur and remains uncured. The agreements governing our debt, including the issuance of notes by WEST, also include 
restrictive financial covenants. A breach of those and other covenants could, unless waived or amended by our creditors, 
result in a cross-default to other indebtedness and an acceleration of all or substantially all of our debt. We have obtained 
such amendments and waivers to our financing agreements in the past, but we cannot provide any assurance that we will 
receive such amendments or waivers in the future if we request them. If our outstanding debt is accelerated at any time, we 
likely would have little or no cash or other assets available after payment of our debts, which could cause the value or market 
price of our outstanding equity securities to decline significantly and we would have few, if any, assets available for 
distributions to our equity holders in liquidation. 

We are exposed to interest rate risk on our engine leases, which could have a negative impact on our margins. 

We are affected by fluctuations in interest rates. Our lease rates are generally fixed, but nearly all our debt bears 

variable rate interest based on one-month LIBOR, so changes in interest rates directly affect our lease margins. We seek to 
reduce our interest rate volatility and uncertainty through hedging with interest rate derivative contracts with respect to a 
portion of our debt. Our lease margins, as well as our earnings and cash flows may be adversely affected by increases in 
interest rates, to the extent we do not have hedges or other derivatives in place or if our hedges or other derivatives do not 
mitigate our interest rate exposure from an economic standpoint. We would be adversely affected by increasing interest rates. 
As reported by British Bankers’ Association, the one-month LIBOR has increased from approximately 1.12% on 
December 31, 2003, to approximately 4.39% on December 31, 2005. 

Our maintenance reserves may be inadequate or lessees may default on their obligations to perform maintenance, 
which could increase our expenses. 

Under most of our engine leases, the lessee makes monthly maintenance reserve payments to us based on the 

engine’s usage and management’s estimate of maintenance costs. The payments due are recorded as a liability to potentially 
reimburse the lessee and they serve as security for the lessee’s obligation to perform specified scheduled maintenance. 
Maintenance reserve payments on the WEST engines are held in related engine reserve restricted cash accounts. Generally 
the lessee is responsible for all scheduled maintenance costs, even if they exceed the amounts of maintenance reserves paid. 
Approximately 39 of our leases comprising 38.8% of the net book value of our engines at December 31, 2005 do not provide 
for any monthly maintenance reserve payments to be made by lessees, and we can give no assurance that future leases of the 
engines will require maintenance reserves. In some cases, including engine repossessions, we may decide to pay for 
maintenance work pursuant to the lease terms if the maintenance reserves are insufficient to cover maintenance costs. 

We can give no assurance that our operating cash flows and available liquidity reserves, including the amounts held 

in the engine reserve restricted cash accounts, will be sufficient to fund necessary engine maintenance. Actual maintenance 
reserve payments by lessees and other cash that we receive may be significantly less than projected as a result of numerous 
factors, including defaults by lessees. Furthermore, we can provide no assurance that lessees will meet their obligations to 
make maintenance reserve payments or perform required scheduled maintenance or, to the extent that maintenance reserve 
payments are insufficient to cover the cost of a particular maintenance event, pay the excess cost. 

14 

 
 
 
 
 
 
 
 
 
 
 
 
 
Our engine values and lease rates, which are dependent on the status of the types of aircraft on which engines are 
installed, and other factors, could decline. 

The value of a particular model of engine depends heavily on of the types of aircraft on which it may be installed 
and the supply of available engines. We believe values of engines tend to be relatively stable so long as there is sufficient 
demand for the host aircraft. However, we believe the value of an engine begins to decline rapidly once the host aircraft 
begins to be retired from service and/or used for spare parts in significant numbers. Certain types of our engines are used in 
significant numbers by commercial aircraft operators that are currently experiencing financial difficulties. If such operators 
were to go into liquidation or similar proceedings, the resulting over-supply of engines from these operators could have an 
adverse effect on the demand for the affected spare engines and the values of such engines. 

We have risks in managing our portfolio of engines to meet customer needs. 

The relatively long life cycles of aircraft and jet engines can be shortened by world events, government regulation or 
customer preferences. We seek to manage these risks by trying to anticipate demand for particular engine types, maintaining 
a portfolio mix of engines that we believe is diversified and that will have long-term value and will be sought by lessees in 
the global market for jet engines, and by selling engines that we expect will experience obsolescence or declining usefulness 
in the foreseeable future. The WEST securitization facility limits our sale of the engines in that facility during any 12 month 
period to 10% of the “average aggregate adjusted borrowing value” of the engines during any 12 month period, which may 
inhibit engine sales that we otherwise believe may be desirable. We can give no assurance that we can successfully manage 
our engine portfolio to reduce these risks. 

Upon termination of a lease, we may be unable to enter into new leases or sell the engine on acceptable terms. 

We own the engines that we lease to customers and bear the risk of not recovering our entire investment through 

leasing and selling the engines. Upon termination of a lease, we seek to enter a new lease or to sell the engine. We also 
selectively sell engines on an opportunistic basis. We cannot give assurance that we will be able to find, in a timely manner, a 
lessee for our engines coming off-lease. If we do find a lessee, we may not be able to obtain satisfactory lease rates and terms 
(including maintenance and redelivery conditions) or rates and terms comparable to our current leases, and we can give no 
assurance that the creditworthiness of any future lessee will be equal to or better than that of the existing lessees of our 
engines. Because the terms of engine leases may be less than 12 months, we may frequently need to remarket engines. We 
face the risk that we may not be able to keep the engines on lease consistently. 

We may not be able to repossess an engine when the lessee defaults, and even if we are able to repossess the engine, 
we may have to expend significant funds in the repossession and leasing of the engine. 

When a lessee defaults we typically seek to terminate the lease and repossess the engines. If a defaulting lessee 
contests the termination and repossession or is under court protection, enforcement of our rights under the lease may be 
difficult, expensive and time-consuming. We may not realize any practical benefits from our legal rights and we may need to 
obtain consents to export the engine. As a result, the relevant engine may be off-lease or not producing revenue for a 
prolonged period. In addition, we will incur direct costs associated with repossessing our engine. These costs may include 
legal and similar costs, the direct costs of transporting, storing and insuring the engine, and costs associated with necessary 
maintenance and recordkeeping to make the engine available for lease or sale. During this time, we will realize no revenue 
from the leased engine, and we will continue to be obligated to pay our debt financing the engine. If an engine is installed on 
an airframe, the airframe may be owned by an aircraft lessor or other third party. Our ability to recover engines installed on 
airframes may depend on the cooperation of the airframe owner. 

We are subject to the risks and costs of aircraft maintenance and obsolescence on the aircraft that we own. 

We currently own five DeHaviland DHC-8-100 turboprop aircraft and interests through WOLF in two Airbus A340-

313 aircraft. We may buy other aircraft or interests in aircraft in the future primarily to seek opportunities to realize value 
from the engines. Among other risks described in this Annual Report, the following risks apply when we lease or sell aircraft: 

•  we will be subject to the greater maintenance risks and risks of declines in value that apply to aircraft as 

opposed to engines, as well as the potentially greater risks of leasing or selling aircraft; 

• 

intense competition among manufacturers, lessors, and sellers may, among other things, adversely affect the 
demand for, lease rates and residual values of our aircraft; 

15 

 
 
 
 
 
 
 
 
 
 
 
 
• 

• 

• 

• 

our aircraft lessees are aircraft operators engaged in economically sensitive, highly cyclical and competitive 
businesses and our results of operations from aircraft leasing depend, in part, on their financial strength (for 
more details, see the risk factor entitled “We are affected by the risks faced by commercial aircraft operators 
and MROs because they are our customers” above); 

our aircraft lessees may encounter significant financial difficulties, which could result in our agreeing to amend 
our leases with the customer to, among other things, defer or forgive rent payments or extend lease terms as an 
alternative to repossession; 

our aircraft lessees may file for bankruptcy which could result in us incurring greater losses with respect to 
aircraft than with respect to engines; and 

aircraft technology is constantly improving and, as a result, aircraft of a particular model and type tend to 
become obsolete and less in demand over time, when newer, more advanced and efficient aircraft become 
available. 

Our inability to maintain sufficient liquidity could limit our operational flexibility and also impact our ability to 
make payments on our obligations as they come due. 

In addition to being capital intensive and highly leveraged, our business also requires that we maintain sufficient 

liquidity to enable us to contribute the non-financed portion of engine purchases as well as to service our payment obligations 
to our creditors as they become due despite the fact that the timing and amounts of payments under our leases do not match 
the timing under our debt service obligations. Our restricted cash is generally unavailable for general corporate purposes. 
Accordingly, our ability to successfully execute our business strategy and maintain our operations depends on our ability to 
continue to maintain sufficient liquidity, cash and available credit under our credit facilities. Our liquidity could be adversely 
impacted if we are subjected to one or more of the following: a significant decline in lease revenues, a material increase in 
interest expense that is not matched by a corresponding increase in lease rates, a significant increase in operating expenses, or 
a reduction in our available credit under our credit facilities. If we do not maintain sufficient liquidity, our ability to meet our 
payment obligations to creditors or to borrow additional funds could become impaired as could our ability to make dividend 
payments or other distributions to our equity holders. See “Management’s Discussion and Analysis of Financial Condition 
and Results of Operations—Liquidity and Capital Resources.” 

NUMEROUS FACTORS MAY AFFECT THE TRADING PRICE OF OUR COMMON STOCK AND OUR PREFERRED 
STOCK. 

The trading price of our common stock and our Series A Preferred Stock may fluctuate due to many factors, 

including: 

• 

• 

• 

• 

• 

• 

• 

• 

• 

the risks relating to our business described in this Annual Report; 

sales of our securities by a few stockholders or even a single significant stockholder; 

general economic conditions; 

quarterly variations in our operating results; 

our financial condition, performance and prospects; 

changes in financial estimates by us; 

the level, direction and volatility of interest rates and expectations of changes in rates; 

the market for securities similar to our common stock and our Series A Preferred Stock; and 

changes in our capital structure, including additional issuances by us of debt or equity securities. 

In addition, the U.S. stock markets have experienced price and volume volatility that has affected many companies’ 

stock prices, often for reasons unrelated to the operating performance of those companies. 

16 

  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
RISKS RELATING TO OUR FOREIGN OPERATIONS 

A substantial portion of our lease revenue comes from foreign customers, subjecting us to divergent regulatory 
requirements. 

For the year ended December 31, 2005, 84% of our lease revenue was generated by leases to foreign customers. 

Such international leases present risks to us because certain foreign laws, regulations and judicial procedures may not be as 
protective of lessor rights as those which apply in the United States. We are also subject to risks of foreign laws that affect 
the timing and access to courts and may limit our remedies when collecting lease payments and recovering assets. None of 
our leased engines have been expropriated; however, we can give no assurance that political instability abroad and changes in 
the policies of foreign nations will not present expropriation risks in the future that are not covered by insurance. 

Our leases require payments in U.S. dollars but many of our customers operate in other currencies; if foreign 
currencies devalue against the U.S. dollar, our lessees may be unable to make their payments to us. 

All of our current leases require that payments be made in U.S. dollars. If the currency that our lessees typically use 
in operating their businesses devalues against the U.S. dollar, the lessees could encounter difficulties in making payments in 
U.S. dollars. Furthermore, many foreign countries have currency and exchange laws regulating international payments that 
may impede or prevent payments from being paid to us in U.S. dollars. Future leases may provide for payments to be made in 
Euros or other foreign currencies. Any change in the currency exchange rate that reduces the amount of U.S. dollars obtained 
by us upon conversion of future lease payments denominated in Euros or other foreign currencies, may, if not appropriately 
hedged by us, have a material adverse effect on us and increase the volatility of our earnings. If payments on our leases are 
made in foreign currency, our risks and hedging costs will increase. 

We operate globally and are affected by our customers’ local and regional economic and other risks. 

We believe that our customers’ growth and financial condition are driven by economic growth in their service areas. 

The largest portion of our lease revenues come from Europe. European airline operations are among the most heavily 
regulated in the world. At the same time, new low-cost carriers have exerted substantial competitive and financial pressure on 
major European airlines. Low-cost carriers are having similar effects in North America and elsewhere. 

Our operations may also be affected by foreign currency restrictions, local currency valuations and interest rates, as 

well as political or economic instability in the areas where we have customers. 

We may not be able to enforce our rights as a creditor if a lessee files for bankruptcy outside of the United States. 

When a debtor seeks protection under the United States Bankruptcy Code, creditors are automatically stayed from 

enforcing their rights. In the case of United States-certificated airlines, Section 1110 of the Bankruptcy Code provides certain 
relief to lessors of aircraft equipment. Section 1110 has been the subject of significant litigation and we can give no assurance 
that Section 1110 will protect our investment in an aircraft or engines in the event of a lessee’s bankruptcy. In addition, 
Section 1110 does not apply to lessees located outside of the United States and applicable foreign laws may not provide 
comparable protection. 

Liens on our engines could exceed the value of the engines, which could negatively affect our ability to repossess, 
lease or sell a particular engine. 

Liens that secure the payment of repairers’ charges or other liens may, depending on the jurisdiction, attach to the 

engines. Engines also may be installed on airframes to which liens unrelated to the engines have attached. The liens may 
secure substantial sums that may, in certain jurisdictions or for limited types of liens, exceed the value of the particular 
engine to which the liens have attached. In some jurisdictions, a lien may give the holder the right to detain or, in limited 
cases, sell or cause the forfeiture of the engine. Such liens may have priority over our interest as well as our creditors’ interest 
in the engines, either because they have such priority under applicable local law or because our creditors’ security interests 
are not filed in jurisdictions outside the United States. These liens and lien holders could impair our ability to repossess and 
lease or sell the engines. We cannot give assurance that our lessees will comply with their obligations to discharge third party 
liens on our engines. If they do not, we may, in the future, find it necessary to pay the claims secured by such liens to 
repossess the engines. 

In certain countries, an engine affixed to an aircraft may become an accession to the aircraft and we may not be 
able to exercise our ownership rights over the engine. 

In some jurisdictions, an engine affixed to an aircraft may become an accession to the aircraft, so that the ownership 

rights of the owner of the aircraft supersede the ownership rights of the owner of the engine. If an aircraft is security for the 
owner’s obligations to a third-party, the security interest in the aircraft may supersede our rights as owner of the engine. This 

17 

 
 
 
 
 
 
 
 
 
 
 
 
 
legal principle could limit our ability to repossess an engine in the event of a lease default while the aircraft with the engine 
installed remains in such a jurisdiction. We may suffer a loss if we are not able to repossess engines leased to lessees in these 
jurisdictions. 

 RISKS RELATED TO OUR SMALL SIZE AND CORPORATE STRUCTURE 

Intense competition in our industry, particularly with major companies with substantially greater financial, 
personnel, marketing and other resources, could cause our revenues and business to suffer. 

The engine leasing industry is highly competitive and global. Our primary competitors include GE Engine Leasing, 

Shannon Engine Support, Pratt &Whitney, Rolls-Royce Partners Finance and Engine Lease Finance. 

Our primary competitors generally have significantly greater financial, personnel and other resources, and a physical 

presence in more locations, than we do. In addition, competing engine lessors may have lower costs of capital and may 
provide financial or technical services or other inducements to customers, including the ability to sell or lease aircraft or 
provide other forms of financing that we do not provide. We cannot give assurance that we will be able to compete 
effectively or that competitive pressures will not adversely affect us. 

There is no organized market for the spare engines we purchase. Typically, we purchase engines from commercial 

aircraft operators, engine manufacturers, MROs and other suppliers. We rely on our representatives, advertisements and 
reputation to generate opportunities to purchase and sell engines. The market for purchasing engine portfolios is highly 
competitive, generally involving an auction bidding process. We can give no assurance that engines will continue to be 
available to us on acceptable terms and in the types and quantities we seek consistent with the diversification requirements of 
our debt facilities and our portfolio diversification goals. 

Substantially all of our assets are pledged to our creditors. 

Because of WEST’s bankruptcy remote status, substantially all of the consolidated entity’s assets are pledged to 
secure its obligations to its creditors. WEST’s ability to make distributions and pay dividends to us is subject to the prior 
payments of its debt and other obligations and WEST’s maintenance of adequate reserves and capital. Our rights, and the 
rights of our creditors, to participate in any distribution of assets of WEST upon its liquidation, reorganization, dissolution or 
winding up therefore will be subject to the prior claims of WEST’s creditors, except to the extent that we or another 
subsidiary is recognized as a creditor of WEST, in which case our claims, as an unsecured creditor, would rank equally with 
the claims of other unsecured creditors and may be subordinated to the claims of any creditor of WEST that has a judgment 
or perfected lien against it or its assets. In the future we may create additional subsidiaries whose ability to make distributions 
and pay dividends to us will be likewise restricted. 

We may be unable to manage the expansion of our operations. 

We can give no assurance that we will be able to manage effectively the potential expansion of our operations, or 
that if we are successful expanding our operations that our systems, procedures or controls will be adequate to support our 
operations, in which event our business, financial condition, results and cash flows could be adversely affected. 

Any acquisition or expansion involves various risks, which may include some or all of the following: 

• 

• 

• 

• 

• 

• 

• 

• 

incurring or assuming additional debt; 

diversion of management’s time and attention from ongoing business operations; 

future charges to earnings related to the possible impairment of goodwill and the write down of other intangible 
assets; 

risks of unknown or contingent liabilities; 

difficulties in the assimilation of operations, services, products and personnel; 

unanticipated costs and delays; 

the risk that the acquired business does not perform consistently with our growth and profitability expectations; 

the risk that growth will strain our infrastructure, staff, internal controls and management, which may require 
additional personnel, time and expenditures; and 

18 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
• 

potential loss of key employees and customers. 

Any of the above factors could have a material adverse effect on us. 

Compliance with the regulatory requirements imposed on us as a public company results in significant costs that 
will likely have an adverse effect on our results. 

As a public company, we are subject to various regulatory requirements including, but not limited to, compliance 

with the Sarbanes-Oxley Act of 2002. Compliance with these regulations results in significant additional costs to us both 
directly, through increased audit and consulting fees, and indirectly, through the time required by our small staff to address 
the regulations. We must comply with Section 404 of the Sarbanes-Oxley Act for the fiscal year ending December 31, 2007. 
Such compliance will require us to incur considerable costs on audit and consulting fees and require significant management 
time that will adversely affect our results of operations and cash flows. 

We are effectively controlled by one principal stockholder, who has the power to contest the outcome of most 
matters submitted to the stockholders for approval and to affect our stock prices adversely if he were to sell 
substantial amounts of his common stock. 

As of December 31, 2005, our principal stockholder, Chairman of the Board of Directors and Chief Executive 
Officer, Mr. Charles F. Willis, IV, beneficially owned or had the ability to direct the voting of 3,459,531 shares of our 
common stock, representing approximately 36% of the outstanding shares of our common stock. As a result, Mr. Willis 
effectively controls us and has the power to contest the outcome of substantially all matters submitted to our stockholders for 
approval, including the election of the board of directors. In addition, future sales by Mr. Willis of substantial amounts of our 
common stock, or the potential for such sales, could adversely affect the prevailing market price of our common stock and 
possibly other classes or series of our stock such as our Series A Preferred Stock. 

Our business might suffer if we were to lose the services of certain key employees. 

Our business operations depend upon our key employees, including our executive officers. Loss of any of these 

employees, particularly our Chief Executive Officer, could have a material adverse effect on our business as our key 
employees have knowledge of our industry and customers and would be difficult to replace. We maintain key man life 
insurance of $5.0 million on Mr. Willis, but such amount is unlikely to adequately compensate us for the loss of his services. 

We are the servicer and administrative agent for the WEST facility and our cash flows would be materially and 
adversely affected if we were removed from these positions. 

We are the servicer and administrative agent with respect to engines in the WEST facility. We receive annual fees of 
11.5% as servicer and 2.0% as administrative agent of the aggregate net rents actually received by WEST on its engines. We 
may be removed as servicer and administrative agent by the affirmative vote of a requisite number of holders of WEST 
facility notes upon the occurrence of certain specified events. If we are removed, our expenses would increase since our 
consolidated subsidiary, WEST, would have to hire an outside provider to replace the servicer and administrative agent 
functions, and we would be materially and adversely affected. Consequently, our business, financial condition, results of 
operations and cash flows would be adversely affected. 

Provisions in Delaware law and our charter and bylaws might prevent or delay a change of control. 

Certain provisions of law, our amended certificate of incorporation, bylaws and amended rights agreement could 

make the following more difficult: (1) an acquisition of us by means of a tender offer, a proxy contest or otherwise, and 
(2) the removal of incumbent officers and directors. 

Our board of directors has authorized the issuance of shares of Series I Preferred Stock pursuant to our amended 

rights agreement, by and between us and American Stock Transfer and Trust Company, as rights agent. The rights agreement 
could make it more difficult to proceed with and tend to discourage a merger, tender offer or proxy contest. Our amended 
certificate of incorporation also provides that stockholder action can be taken only at an annual or special meeting of 
stockholders and may not be taken by written consent and, in certain circumstances relating to acquisitions or other changes 
in control, requires an 80% supermajority vote of all outstanding shares of our common stock. Our bylaws also limit the 
ability of stockholders to raise matters at a meeting of stockholders without giving advance notice. 

ITEM 2. 

PROPERTIES 

Our principal offices are located at 2320 Marinship Way, Suite 300, Sausalito, California 94965. We occupy space 
in Sausalito under a lease that covers approximately 9,900 square feet of office space and expires December 31, 2007. The 
annual lease rental commitments are approximately $387,000 and $399,000 for 2006 and 2007, respectively. Equipment 

19 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
leasing, financing, sales and general administrative activities are conducted from the Sausalito location. We also sub-lease 
approximately 3,100 square feet of office and warehouse space for our operations at San Diego, California. This lease expires 
October 31, 2008, and the remaining lease commitments are approximately $94,000, $97,000 and $83,000 for 2006, 2007 
and 2008, respectively. We also lease office space in Shanghai, China. The lease expires June 30, 2006 and the remaining 
lease commitment is approximately $25,000. 

ITEM 3. 

LEGAL PROCEEDINGS 

We is not a party to any material legal proceedings. 

ITEM 4. 

SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS 

No matters were submitted to a vote of stockholders during the fourth quarter of the fiscal year 2005. 

PART II 

ITEM 5. 

MARKET FOR THE REGISTRANT’S COMMON EQUITY AND RELATED STOCKHOLDER 
MATTERS 

The following information relates to our Common Stock, which is listed on the NASDAQ National Market under 

the symbol WLFC. As of March 30, 2006 there were approximately 1,039 stockholders of our Common Stock. 

The high and low closing sales price of the Common Stock for each quarter of 2005 and 2004, as reported by 

NASDAQ, are set forth below: 

First Quarter 
Second Quarter 
Third Quarter 
Fourth Quarter 

  $

2005 

2004 

High 

Low 

High 

Low 

8.98    $
9.00   
10.84   
10.24   

7.30    $
7.59   
7.96   
6.70   

8.97    $
9.40   
8.99   
9.00   

6.43  
8.00  
6.59  
7.50  

During the years ended December 31, 2005 and 2004 we did not pay cash dividends to our stockholders. We have 

not made any dividend payments since our inception as all available cash has been utilized for the business.  We have no 
intention of paying dividends on our common stock in the foreseeable future.  In addition, certain of our debt facilities 
contain negative covenants which prohibit us from paying any dividends or making distributions of any kind with respect to 
our common stock. 

The following table outlines our Equity Compensation Plan Information. 

Plan Category 

Equity compensation plans 

approved by security holders 
Equity compensation plans not 
approved by security holders 
Total 

Number of securities to be
issued upon exercise of 
outstanding options, 
warrants 
and rights 
(a) 

Weighted-average exercise
price of outstanding 
options, 
warrants and rights 
(b) 

Number of securities 
remaining available for future 
issuance under equity 
compensation plans (excluding
securities reflected in column 
(a)) 
(c) 

1,848,671    $

n/a   

1,848,671    $

7.10   

n/a   
7.10   

583,179   

n/a   
583,179   

20 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ITEM 6. 

SELECTED FINANCIAL DATA 

The following table summarizes our selected consolidated financial data and operating information. The selected 

consolidated financial and operating data should be read in conjunction with the Consolidated Financial Statements and notes 
thereto and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included elsewhere 
in this Form 10-K. 

2005 

Years Ended December 31, 
2003 
(dollars in thousands, except per share data) 

2004 

2002 

2001 

Revenue: 

Lease revenue 
Gain on sale of leased equipment 
Other income 
Total revenue 

Net income 

Basic earnings from continuing operations 

per common share 

Diluted earnings from continuing operations 

per common share 
Balance Sheet Data: 

Total assets 
Debt (includes capital lease obligation) 
Shareholders’ equity 

  $

  $

  $

  $

  $

  $
  $
  $

Lease Portfolio: 

Engines at end of the period – continuing 

operations 

Engines at end of the period – discontinued 

operations 

Spare parts packages at the end of the period   
Aircraft at the end of the period 

63,119    $
7,061   
366   
70,546    $

58,177    $
3,085   
677   
61,939    $

56,977    $
2,372   
520   
59,869    $

55,397    $
482   
—   
55,879    $

60,515  
5,636  
—  
66,151  

4,177    $

5,483    $

5,093    $

3,835    $

5,129  

0.46    $

0.61    $

0.58    $

0.43    $

0.66  

0.44    $

0.59    $

0.57    $

0.43    $

0.66  

655,677    $
407,551    $
121,473    $

585,458    $
369,840    $
116,468    $

560,022    $
362,395    $
110,062    $

542,995    $
364,680    $
104,905    $

531,453  
359,547  
100,956  

124   

115   

119   

120   

110  

—   
3   
5   

—   
3   
5   

—   
4   
7   

—   
4   
6   

4  
4  
6  

ITEM 7. 

MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
RESULTS OF OPERATIONS 

OVERVIEW 

Forward-Looking Statements. This Annual Report on Form 10-K includes forward-looking statements within the 

meaning of the Private Securities Litigation Reform Act of 1995. All statements other than statements of historical fact, 
including statements regarding prospects or future results of operations or financial position, made in this Annual Report on 
Form 10-K are forward-looking. We use words such as anticipates, believes, expects, future, intends, and similar expressions 
to identify forward-looking statements. Forward-looking statements reflect management’s current expectations and are 
inherently uncertain. Actual results could differ materially for a variety of reasons, including, among others, the effects on the 
airline industry and the global economy of events such as terrorist activity, changes in oil prices and other disruptions to the 
world markets; trends in the airline industry, including growth rates of markets and other economic factors; risks associated 
with owning and leasing jet engines and aircraft; our ability to successfully negotiate equipment purchases, sales and leases, 
to collect outstanding amounts due and to control costs and expenses; changes in interest rates and availability of capital, our 
ability to continue to meet the changing customer demands; regulatory changes affecting airline operations, aircraft 
maintenance, accounting standards and taxes; the market value of engines and other assets our portfolio. These risks and 
uncertainties, as well as other risks and uncertainties that could cause our actual results to differ significantly from 
management’s expectations, are described in greater detail in Item 1A. of Part I, “Risk Factors,” which, along with the 
previous discussion, describes some, but not all, of the factors that could cause actual results to differ significantly from 
management’s expectations. 

General. Our core business is acquiring and leasing pursuant to operating leases, commercial aircraft engines and 

related aircraft equipment, and the selective sale of such engines, all of which we sometimes refer to as “equipment.” We 

21 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
   
   
 
 
  
  
   
   
 
 
 
 
 
  
  
   
   
 
 
 
  
  
   
   
 
 
  
  
   
   
 
 
 
  
  
   
   
 
 
  
  
   
   
 
 
 
 
 
 
 
 
have no current plans to enter into finance leases although we may do so in the future. As of December 31, 2005, we had 50 
lessees in 27 countries. Our portfolio is continually changing due to acquisitions and sales. As of December 31, 2005, our 
total lease portfolio consisted of 124 engines and related equipment, five aircraft and three spare engine parts packages with 
an aggregate net book value of $540.7 million. On December 30, 2005, we entered into a joint venture with Oasis 
International Leasing (USA), Inc., called WOLF. WOLF completed the purchase of two Airbus A340-313 aircraft from 
Boeing Aircraft Holding Company for a purchase price of $96 million. We actively manage our portfolio and structure our 
leases to maximize the residual values of our leased assets. Our leasing business focuses on popular Stage III commercial jet 
engines manufactured by CFMI, General Electric, Pratt & Whitney, Rolls Royce and International Aero Engine. These 
engines are the most widely used engines in the world, powering Airbus, Boeing, and McDonnell Douglas aircraft. 

CRITICAL ACCOUNTING POLICIES AND ESTIMATES 

The preparation of our consolidated financial statements requires us to make estimates and judgments that affect the 

reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. On 
an ongoing basis, we evaluate our estimates, including those related to residual values, estimated asset lives, bad debts, and 
income taxes, contingencies and litigation. We base our estimates on historical experience and on various other assumptions 
that we believe to be reasonable under the circumstances for making judgments about the carrying values of assets and 
liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different 
assumptions or conditions. 

We believe the following critical accounting policies, grouped by our activities, affect our more significant 

judgments and estimates used in the preparation of our consolidated financial statements: 

Leasing Related Activities. Revenue from leasing of aircraft equipment is recognized as operating lease or finance 

lease revenue over the terms of the applicable lease agreements. Where collection cannot be reasonably assured, for example, 
upon a lessee bankruptcy, we do not recognize revenue until received. We also estimate and charge to income a provision for 
bad debts based on our experience in the business and with each specific customer and the level of past due accounts. The 
financial condition of our customers may deteriorate and result in actual losses exceeding the estimated allowances. In 
addition, any deterioration in the financial condition of our customers may adversely affect future lease revenues. As of 
December 31, 2005, all of our leases are accounted for as operating leases. Under an operating lease, we retain title to the 
leased equipment, thereby retaining the potential benefit and assuming the risk of the residual value of the leased equipment. 

We generally depreciate engines on a straight-line basis over 15 years to a 55% residual value. Spare parts packages 
are generally depreciated on a straight-line basis over 15 years to a 25% residual value. Aircraft are generally depreciated on 
a straight-line basis over 13-20 years to a 15%-17% residual value. For equipment which is unlikely to be repaired at the end 
of its current expected life, and is likely to be disassembled upon lease termination, we depreciate the equipment over its 
estimated life to a residual value based on an estimate of the wholesale value of the parts after disassembly. Currently, 44 
engines having a net book value of $106.6 million are depreciated using this policy. If useful lives or residual values are 
lower than those estimated by us, upon sale of the equipment, a loss may be realized. We review these estimates regularly 
and a change in either of these estimates would cause an associated change in depreciation expense. 

Sales Related Activities. For equipment sold out of our lease portfolio, we recognize the gain or loss associated with 

the sale as revenue. Gain consists of sales proceeds less the net book value of the equipment sold and any costs directly 
associated with the sale. Additionally, to the extent that any deposits and reserves are included in the sale and the purchaser 
of the equipment assumes any liabilities associated therewith, such deposits and reserves are included in the gain on sale. 

Asset Valuation. Statement of Financial Accounting Standards No. 144, “Accounting for the Impairment or Disposal 
of Long-Lived Assets” (SFAS 144), requires that long-lived assets and certain identifiable intangibles to be held and used by 
an entity be reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an 
asset may not be recoverable, and long-lived assets and certain identifiable intangibles to be disposed of generally be reported 
at the lower of carrying amount or fair value less cost to sell. Impairment is identified by comparison of undiscounted 
forecasted cash flows, including estimated sales proceeds, over the life of the asset with the asset’s book value minus 
maintenance reserves. If the forecasted undiscounted cash flows are less than the book value, we write the asset down to its 
fair value. We determine fair value by reference to independent appraisals, quoted market prices (e.g., an offer to purchase) 
and other factors. 

For further information on these and other accounting policies we have adopted, refer to Note 1 of the Notes to 

Consolidated Financial Statements included elsewhere in this Annual Report. 

22 

 
 
 
 
 
 
 
 
 
RESTATEMENTS 

Our financial statements were restated twice during 2005. We restated the Form 10-K for the years ended December 

31, 2004, 2003 and 2002 and the Form 10 Q for the quarter ended March 31, 2005 on August 3, 2005 as a consequence of a 
review of our financial statement presentation and disclosures during a normal periodic review of our filings by the staff of 
the Securities and Exchange Commission. As a result of the review, our financials were restated to reclassify restricted cash 
into a separate line item on the balance sheet for all periods presented and to reclassify a gain on the prepayment of a debt 
facility in 2002 from revenue to a component of net finance costs. We concluded that we had a material weakness in our 
procedures surrounding our financial statement disclosures and classifications and implemented expanded procedures 
including completion of a financial reporting checklist to ensure compliance with current reporting standards and accounting 
pronouncements issued since the end of the previous reporting period. 

 On November 29, 2005, we again restated our Form 10 K for the years ended December 31, 2004, 2003 and 2002 

and the Forms 10 Q for the quarters and year to date periods ended March 31, 2005 and June 30, 2005 for inappropriate 
application of accounting for derivative related transactions under Statement of Financial Accounting Standard No. 133, 
(SFAS 133). In particular, it was determined that the documentation related to our derivative instruments was insufficient to 
meet the documentation criteria under SFAS 133 and as a result that we could not apply hedge accounting to the transactions. 
As a result of these restatements, we have reflected the change in the fair value of derivative contracts in the income 
statement and not in other comprehensive income where the change had previously been recorded. We concluded that we had 
a material weakness because we did not maintain effective controls over the documentation and valuation of derivative 
transactions since the implementation of SFAS 133 in 2001. Specifically, our documentation and effectiveness testing was 
not reviewed and validated regularly to ensure compliance with SFAS 133 and related implementation issues. We have 
changed our internal controls over derivative accounting by implementing expanded procedures including a completion of a 
derivative accounting checklist to ensure compliance with current derivative documentation and accounting standards and 
accounting pronouncements issued since the end of the previous period. 

See Management of Interest Rate Exposure below for further information on hedge accounting. 

We were delinquent filing our quarterly report on Form 10-Q for the third quarter ended September 30, 2005 as a 

result of work necessary to complete our second restatement of our financial statements for 2002, 2003 and 2004 and the first 
and second quarters of 2004 and 2005. 

YEAR ENDED DECEMBER 31, 2005 COMPARED TO THE YEAR ENDED DECEMBER 31, 2004 

Revenue is summarized as follows: 

Lease revenue 
Gain on sale of leased equipment 
Other income 
Total 

Year ended December 31, 

2005 

2004 

Amount 

% 

Amount 

% 

$

$

63,119   
7,061   
366   
70,546   

(dollars in thousands) 
89.5 %  $
10.0   
0.5   
100.0 %  $

58,177   
3,085   
677   
61,939   

93.9 %
5.0   
1.1   
100.0 %

Leasing Related Activities. Our lease related revenue for the year ended December 31, 2005, increased 8.5% to 

$63.1 million from $58.2 million for the comparable period in 2004. This increase primarily reflects a reduced amount of 
equipment off-lease together with increased average lease rate factors (the monthly rent on the engines divided by the net 
book value of the engines). The aggregate of net book value of leased equipment at December 31, 2005 and 2004, was 
$540.7 million and $503.5 million, respectively, an increase of 7.3%. At December 31, 2005, and 2004, respectively, 
approximately 91% and 86% of equipment by net book value was on-lease. The average utilization for the year ended 
December 31, 2005, was 91% compared to 89% in the prior year. During the year ended December 31, 2005, 20 engines 
were added to our lease portfolio at a total cost of $103.0 million (including capitalized costs). During the year ended 
December 31, 2004, five engines were added to our lease portfolio at a cost of $59.4 million (including capitalized costs). 

Gain on Sale of Leased Equipment. During the year ended December 31, 2005, we sold 11 engines and various 

engine-related equipment from the lease portfolio for a net gain of $7.1 million. Included in the calculation of gain on sale is 
the release of maintenance reserves on the engine sold. The maintenance reserve included in gain on sale in the year ended 
December 31, 2005 and 2004 was $11.5 million and $1.1 million, respectively. During the year ended December 31, 2004, 
13 engines, two airframes and various engine-related equipment from the lease portfolio were sold for a net gain of $3.1 
million. 

23 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Other Income. Our other income consists primarily of management fee income, and decreased $0.3 million due to 

fewer engines under management contract. 

Depreciation Expense. Depreciation expense increased $2.1 million or 9% to $25.3 million for the year ended 

December 31, 2005, from the comparable period in 2004 due primarily to increase in assets on lease. 

Write-down of Equipment. Write-down of equipment to their estimated fair values from the application of SFAS 144 

totaled $0.1 million for the year ended December 31, 2005, due to management’s decision to consign an engine for part out 
and sale. There was a write down of $0.6 million for the year ended December 31, 2004 due to management decision to 
dispose of, rather than repair, an engine for the year ended December 31, 2004. 

Net Finance Costs. Net finance costs include interest expense, interest income, net (gain)/loss on debt 

extinguishment and realized and unrealized (gains) and losses on derivative instruments. Interest expense increased 50% to 
$24.5 million for the year ended December 31, 2005, from the comparable period in 2004, mainly due to an increase in 
interest rates. Interest income for the year ended December 31, 2005, increased to $1.5 million from $0.4 million for the year 
ended December 31, 2004, due to increases in interest rates and deposit balances. The majority of our interest rates are tied to 
one-month US dollar LIBOR which increased from 2.40% at the beginning of 2005 to 4.39% by year end. Realized and 
unrealized gains on derivative instruments decreased net finance costs by $1.6 million for the year ended December 31, 2005, 
compared to a decrease of $0.5 million for the year ended December 31, 2004, primarily due to the increase in LIBOR 
between the two periods and the resultant increase in the value of the fixed interest rate derivative instruments. During all 
periods up to December 1, 2005, we accounted for our interest rate swaps as speculative hedges with changes in fair value 
recorded through the income statement. For the year ended December 31, 2005, approximately $1.4 million in deferred loan 
fees were written off upon repayment of the prior warehouse credit facility. 

General and Administrative Expenses. General and administrative expenses increased 14% to $16.9 million for the 

year ended December 31, 2005, from the comparable period in 2004 due mainly to increases in net operating costs for 
corporate aircraft ($1.2 million), increased employment related costs ($0.7 million), increased bad debt expenses ($0.4 
million), increased accounting costs ($0.3 million), and offset by reduced insurance costs ($0.2 million). 

Income Taxes. Income taxes for the year ended December 31, 2005, decreased to $1.4 million from $2.4 million for 

the comparable period in 2004 reflecting decreased pre-tax income and a lower effective tax rate. The overall effective tax 
rate for the year ended December 31, 2005, was 24.5% compared to 30.8% for the prior year due to a lower apportionment of 
income to the State of California and corresponding reduction in the effective state income tax rate. Our tax rate is subject to 
change based on changes in the mix of assets leased to domestic and foreign lessees, the proportions of revenue generated 
within and outside of California and numerous other factors, including changes in tax law. 

YEAR ENDED DECEMBER 31, 2004 COMPARED TO THE YEAR ENDED DECEMBER 31, 2003. 

Revenue is summarized as follows: 

Lease revenue 
Gain on sale of leased equipment 
Other income 
Total 

Year ended December 31, 

2004 

2003 

(as restated) 

Amount 

% 

Amount 

% 

$

$

58,177   
3,085   
677   
61,939   

(dollars in thousands) 
93.9 %  $
5.0   
1.1   
100.0 %  $

56,977   
2,372   
520   
59,869   

95.2 %
4.0   
0.8   
100.0 %

Leasing Related Activities. Our lease related revenue for the year ended December 31, 2004, increased 2% to $58.2 

million from $57.0 million for the comparable period in 2003. This increase primarily reflects a reduced amount of 
equipment off-lease together with increased average lease rate factors. The aggregate of net book value of leased equipment 
at December 31, 2004 and 2003, was $503.5 million and $497.2 million, respectively, an increase of 1%. At December 31, 
2004, and 2003, respectively, approximately 86% and 88% of equipment by net book value was on-lease. However, we 
purchased three engines towards the end of 2004 which were off-lease at year end. Excluding those engines utilization would 
have been approximately 89% at December 31, 2004. The average utilization for the year ended December 31, 2004, was 
89% compared to 87% in the prior year. During the year ended December 31, 2004, five engines were added to our lease 
portfolio at a total cost of $59.4 million (including capitalized costs). During the year ended December 31, 2003, 11 engines 
and two aircraft were added to our lease portfolio at a cost of $45.5 million (including capitalized costs). 

24 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Gain on Sale of Leased Equipment. During the year ended December 31, 2004, 13 engines, two airframes and 

various engine-related equipment from the lease portfolio were sold for a net gain of $3.1 million. 

During the year ended December 31, 2003, ten engines from the lease portfolio were sold for a net gain of $2.4 

million. 

Other Income. Our other income consists primarily of management fee income and additionally in the year ended 

December 31, 2003, income resulting from a net insurance recovery of $0.2 million. 

Depreciation Expense. Our depreciation expense increased $1.5 million or 7% to $23.2 million for the year ended 

December 31, 2004, from the comparable period in 2003 due primarily to changes in the estimates of useful lives and 
residual values of certain older engine types. 

Write-down of Equipment. Our write-down of equipment to their estimated fair values from the application of SFAS 

144 totaled $0.6 million for the year ended December 31, 2004, compared to $1.3 million for the year ended December 31, 
2003, due to management’s decision to dispose of, rather than repair, an engine. 

Net Finance Costs. Our net finance costs include interest expense, interest income, net (gain)/loss on debt 
extinguishment and realized and unrealized (gains) and losses on derivative instruments. Interest expense increased 9% to 
$16.4 million for the year ended December 31, 2004, from the comparable period in 2003, mainly due to an increase in 
interest rates. Interest income for the year ended December 31, 2004, increased to $0.4 million from $0.2 million for the year 
ended December 31, 2003, due mainly to increases in interest rates. The majority of our interest rates are tied to one-month 
US dollar LIBOR which increased from 1.12% at the beginning of 2004 to 2.40% by year end. Realized and unrealized gains 
on derivative instruments decreased net finance costs by $0.5 million for the year ended December 31, 2004, compared to an 
increase of $1.2 million for the year ended December 31, 2003, primarily due to the increase in LIBOR between the two 
periods and the resultant increase in the value of the fixed interest rate derivative instruments. 

General and Administrative Expenses. General and administrative expenses increased 7% to $14.8 million for the 
year ended December 31, 2004, from the comparable period in 2003 due mainly to increases in legal and accounting costs 
($0.4 million), engine-related maintenance and inspection costs ($0.2 million), increased travel expenses ($0.2 million), 
increased insurance costs ($0.2 million), and increased employment related costs ($0.1 million) offset by reduced bad debt 
expenses ($0.2 million) and outside consultant expenses ($0.1 million). 

In September 2004, we acquired a Canadair Challenger 601-1A aircraft for general corporate purposes and for 

charter to third parties. For the period from September 2004 until December 31, 2004, we incurred $139,000 of expenses 
none of which was offset by charter fees. 

Income Taxes. Our income taxes for the year ended December 31, 2004, increased to $2.4 million from $2.1 million 

for the comparable period in 2003 reflecting increased pre-tax income and a higher effective tax rate. The overall effective 
tax rate for the year ended December 31, 2004, was 30.8% compared to 29.1% for the prior year with the increase in rate due 
to both a decrease in the impact of the deduction for the Extraterritorial Income Exclusion (EIE) as well as an increase in the 
effective state tax rate. In 2004 legislation repealed the EIE benefit and it will be phased out over the next three years. Our tax 
rate is subject to change based on changes in the mix of assets leased to domestic and foreign lessees, the proportions of 
revenue generated within and outside of California and numerous other factors, including changes in tax law. 

RECENT ACCOUNTING PRONOUNCEMENTS 

In December 2004, FASB issued Statement of Financial Accounting Standard No. 153, “Exchanges of Nonmonetary 

Assets—an amendment of APB Opinion No. 29”. The guidance in APB Opinion No. 29, “Accounting for Nonmonetary 
Transactions”, was based on the principle that exchanges of nonmonetary assets should be measured based on the fair value 
of the assets exchanged. The guidance in that Opinion, however, included certain exceptions to that principle. This Statement 
amends Opinion 29 to eliminate the exception for nonmonetary exchanges of similar productive assets and replaces it with a 
general exception for exchanges of nonmonetary assets that do not have commercial substance. A nonmonetary exchange has 
commercial substance if the future cash flows of the entity are expected to change significantly as a result of the exchange. 
We did not undertake any transaction in 2005 that would be affected by this Statement. 

In December 2004, the Financial Accounting Standards Board issued Statement of Financial Accounting Standard 

(SFAS) No. 123(R) which is a revision to FASB SFAS No. 123, “Accounting for Stock-Based Compensation.” This 
Statement also supersedes APB Opinion No. 25, “Accounting for Stock Issued to Employees”, and its related implementation 
guidance. SFAS No. 123(R) requires a public entity to measure the cost of employee services received in exchange for an 
award of equity instruments based on the grant-date fair value of the award (with limited exceptions). That cost will be 
recognized over the period during which an employee is required to provide service in exchange for the award—the requisite 

25 

 
 
 
 
 
 
 
 
 
 
 
service period (usually the vesting period). No compensation cost is recognized for equity instruments for which employees 
do not render the requisite service. Employee share purchase plans will not result in recognition of compensation cost if 
certain conditions are met; those conditions are much the same as the related conditions in SFAS No. 123. SFAS No. 123 
applies to all awards granted after the required effective date and to awards modified, repurchased, or cancelled after that 
date. We have an employee stock option/issuance plan (described in Note 10 of the accompanying Consolidated Financial 
Statements) which will be affected by the implementation of SFAS No. 123(R). Currently, under the existing statement we 
do not recognize compensation cost in respect of our plans and opt to make pro-forma disclosure of the impact which is 
described in Note 1(q) to our Financial Statements. In April 2005, the SEC adopted a rule allowing companies to implement 
SFAS No. 123(R) for fiscal years beginning after June 15, 2005. We will adopt SFAS 123(R) effective January 1, 2006. 

LIQUIDITY AND CAPITAL RESOURCES 

Historically, we have financed our growth through borrowings secured by our equipment lease portfolio. Cash of 

approximately $372.9 million, $58.6 million and $68.4 million, in the years ended December 31, 2005, 2004 and 2003, 
respectively, was derived from this activity. In these same time periods $335.3 million, $51.4 million and $84.0 million, 
respectively, was used to pay down related debt. Cash flow from operating activities generated $43.0 million, $30.1 million 
and $32.6 million in the years ended December 31, 2005, 2004 and 2003, respectively. 

On February 7, 2006, we announced the completion of our public offering of 3,475,000 shares of our 9.0% Series A 

Cumulative Redeemable Preferred Stock with a liquidation preference of $10 per share, or approximately $34.8 million in 
total. After underwriting commissions and expenses of issuance, we received net proceeds of approximately $32.9 million. 
The preferred stock accrues cash dividends from the date of issuance at a rate of 9.0% per annum, or approximately $260,625 
per month. The first dividend payment date, was March 15, 2006. The payment of dividends, including with respect to the 
Series A Preferred Stock, is at the discretion of our board of directors. The Series A Preferred Stock, which is a new series of 
our capital stock, is traded on the NASDAQ National Market. 

Our primary use of funds is for the purchase of equipment for lease. Purchases of equipment (including capitalized 

costs) totaled $103.0 million, $59.4 million and $45.2 million for the years ended December 31, 2005, 2004 and 2003, 
respectively. 

Cash flows from operations are driven significantly by payments made under our lease agreements, which comprise 

lease revenue and maintenance reserves, and interest expense. Note that cash received from reserves arrangements are 
restricted per our debt arrangements. While we have experienced increased lease rates, these have been offset by increases in 
interest rates such that the spread between lease rates and interest rates has narrowed throughout 2005. The lease revenue 
stream, in the short-term, is at fixed rates while a substantial amount of our debt is at variable rates. If interest rates increase it 
is unlikely we could increase lease rates in the short term and this would cause a reduction in our earnings. Revenue and 
maintenance reserves are also affected by the amount of equipment off lease. Approximately 91%, by book value, of our 
assets were on-lease at December 31, 2005, compared to approximately 86% at December 31, 2004, and the average 
utilization rate for the year ended December 31, 2005, was 91% compared to 89% in the prior year. If there is any increase in 
off-lease rates or deterioration in lease rates that are not offset by reductions in interest rates, there will be a negative impact 
on earnings and cash flows from operations. 

At December 31, 2005, notes payable consists of loans totaling $407.5 million payable over periods of less than 1 
year to approximately 15 years with interest rates varying between approximately 5.6% and 10.4% (excluding the effect of 
our interest rate derivative instruments). 

The significant facilities are described below. 

At December 31, 2005, we had a $168.0 million revolving credit facility to finance the acquisition of aircraft 

engines for lease as well as for general working capital purposes. As of December 31, 2005, $26.5 million was available 
under this facility. The facility matures in May 2007. The interest rate on this facility at December 31, 2005, was 1-month 
LIBOR plus 2.75%. Under the revolver facility, all subsidiaries except WLFC-AC1 and WEST Engine Funding LLC jointly 
and severally guarantee payment and performance of the terms of the loan agreement. The maximum guarantee is $168.0 
million plus any accrued and unpaid interest, fees or reimbursements but is limited at any given time to the sum of the 
principal outstanding plus accrued interest and fees. The guarantee would be triggered by a default under the agreement. 

On August 9, 2005, we closed the Asset-Backed Securitization through a newly created, bankruptcy remote, 
Delaware Statutory Trust, Willis Engine Securitization Trust (“WEST”). WEST issued and sold $228.3 million of term notes 
and approximately $113.6 million of warehouse notes. The warehouse notes allow for borrowings during a two-year term, 
after which it is expected that they will be converted to term notes of WEST. The assets and liabilities of WEST remain on 
our balance sheet at historical carrying value. The net proceeds of the term notes issued by WEST were used primarily to 
repay the obligations under our previous warehouse facility, which was terminated. As a result of this transaction we wrote 

26 

 
 
 
 
 
 
 
 
 
off approximately $1.4 million of unamortized capitalized costs associated with the previous facility. 

Under our previous warehouse debt facility, Willis Engine Funding LLC (now known as West Engine Funding 

LLC), was a wholly-owned special purpose entity created in 2002 for the purpose of financing jet aircraft engines. The 
facility had a revolving period which ended March 9, 2005, followed by a four-year amortization period, during which 90% 
of the net rents from the collateral were used to pay down principal, followed by a final balloon payment. The facility’s 
structure was designed to facilitate the issuance of public or private securitized notes. The facility notes were paid off at the 
closing of the WEST securitization for $203.7 million (the amount then outstanding on the facility notes), $183.3 million 
Class A notes and $20.4 million Class B notes. 

At December 31, 2005, we had $221.1 million of WEST term notes and $34.0 million of WEST warehouse notes 

were outstanding. The term notes are divided into $193.6 million Series A1 notes and $27.5 million Series B1 notes. The 
warehouse notes are divided into $29.9 million Series A2 notes and $4.1 million Series B2 notes. The assets of WEST, 
WEST Engine Funding and any associated Owner Trust are not available to satisfy our obligations or any of our affiliates. 
WEST is consolidated for financial statement presentation purposes. At December 31, 2005, interest on the Series A1 notes 
and Series A2 notes is one-month LIBOR plus a margin of 1.25% and 1.50%, respectively. At December 31, 2005, interest 
on the Series B1 notes and the Series B2 notes is one-month LIBOR plus a margin of 3.00% and a supplemental margin of 
3.00%, for a total margin of 6%. 

At December 31, 2005, we had warehouse and revolving credit facilities totaling approximately $281.6 million 

compared to $364.5 million at December 31, 2004. At December 31, 2005, and December 31, 2004, respectively, 
approximately $106.1 million and $31.5 million was available under these combined facilities. 

At December 31, 2005, one-month LIBOR was 4.39% and at August 9, 2005, the commercial paper rate related to 

the previous warehouse debt facility was approximately 3.36%. At December 31, 2004, the one-month LIBOR rate was 
approximately 2.40%. 

Approximately $26.6 million of our debt is repayable during 2006. Such repayments consist of scheduled 

installments due under term loans. The table below summarizes our contractual commitments at December 31, 2005. 

Long-term debt obligations 
Interest payments under long – term debt 

obligations 

Operating lease obligations 
Purchase obligations 
Total 

Total 
410,365    $

  $

Less than 1
year 
21,844    $

Payment due by period 

1-3 Years 

3-5 Years 

183,037    $

40,275    $

More than 5
Years 
165,209  

130,349   
1,083   
24,867   
566,664    $

25,609   
507   
24,867   
72,827    $

38,584   
576   
—   

222,197    $

22,824   
—   
—   
63,099    $

43,332  
—  
—  
208,541  

  $

Approximately $403.2 million of the above debt is subject to our continuing to comply with the covenants of each 

financing, including debt/equity ratios, minimum tangible net worth and minimum interest coverage ratios, and other 
eligibility criteria including customer and geographic concentration restrictions. In addition, we can typically borrow 80% of 
an engine purchase and only between 50% to 80% of an aircraft or spare parts purchase under these facilities, so we must 
have other available funds for the balance of the purchase price of any new equipment to be purchased or it will not be 
permitted to draw on these facilities. The facilities are also cross-defaulted. If we do not comply with the covenants or 
eligibility requirements, we may not be permitted to borrow additional funds and accelerated payments may become 
necessary. Additionally, debt is secured by engines on lease to customers and to the extent that engines are returned from 
lease early or are sold, repayment of that portion of the debt could be accelerated. We were in compliance with all covenants 
at December 31, 2005. 

We have estimated the interest payments due under long-term debt by applying the interest rates applicable at 

December 31, 2005 to the remaining debt, adjusted for the estimated debt repayments identified in the table above. Actual 
interest payments made will vary due to changes in the rates for one-month LIBOR and commercial paper as applicable. The 
interest estimate excludes the effect of any derivative instruments in place at the balance sheet date. 

We have commitments to purchase, during 2006, three new engines for a gross purchase price of between $22.3 

million and $24.9 million depending on thrust rating elected, for delivery from January 2006 to December 2006. 

The lease of our office premises in Sausalito expires on December 31, 2007. The sub-lease of our premises in San 

Diego expires in October 2008. Our Shanghai, China office lease expires in June 2006. 

27 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
We believe our equity base, internally generated funds and existing debt facilities are sufficient to maintain our level 
of operations through 2006. A decline in the level of internally generated funds, such as could result if off-lease rates increase 
or there is a decrease in availability under our existing debt facilities, would impair our ability to sustain our level of 
operations. We are discussing additions to our capital base with our commercial and investment banks. If we are not able to 
access additional capital, our ability to continue to grow our asset base consistent with historical trends will be impaired and 
our future growth limited to that which can be funded from internally generated capital. 

 Management of Interest Rate Exposure 

At December 31, 2005, $403.2 million (99%) of our borrowings were on a variable rate basis at various interest 

rates tied to LIBOR or commercial paper rates. Our equipment leases are generally structured at fixed rental rates for 
specified terms. Increases in interest rates could narrow or result in a negative spread, between the rental revenue we realize 
under our leases and the interest rate that we pay under our borrowings. We have entered into interest rate derivative 
instruments to mitigate our exposure to interest rate risk and not to speculate or trade in these derivative products. We 
currently have interest rate swap agreements which have notional outstanding amounts of $151.0 million, with remaining 
terms of between 15 and 56 months and fixed rates of between 2.52% and 4.74%. The fair value of the swaps at December 
31, 2005 and 2004 was positive $2.5 million and $1.4 million, respectively, representing a net asset for us. 

We have also purchased an interest rate cap with a notional amount of $10.0 million, a remaining term of four 

months, and the rate capped at 5.0%. 

On October 24, 2005, the Audit Committee of our Board of Directors determined that we should restate our 
previously issued consolidated financial statements for each of the years in the three-year period ended December 31, 2004, 
and the condensed consolidated interim financial statements for the three-month periods ended March 31, 2005 and 2004, 
and the three- and six-month periods ended June 30, 2005 and 2004 due to documentation deficiencies related to accounting 
for interest rate derivative contracts under SFAS 133. As a result of this announced restatement we were unable to file our 
Quarterly Report on Form 10-Q on the due date and were not in compliance with several of our bank agreements which 
require that we deliver financial statements in a timely manner prepared in accordance with generally accepted accounting 
principles. A waiver from each of the affected banks was obtained. 

Commencing December 1, 2005 we applied hedge accounting per SFAS 133, “Accounting for Derivative 
Instruments and Hedging Activities.” SFAS 133 requires companies to record derivative instruments at fair value as either an 
asset or liability. Beginning in January 2001, derivative instruments were recorded on our balance sheet as either an asset or 
liability measured at fair value. We use derivative instruments (primarily for interest rate swaps) to manage the risk of 
interest rate fluctuation. While substantially all of our derivative transactions are entered into for the purposes described 
above, hedge accounting is only applied where specific criteria have been met and it is practicable to do so. In order to apply 
hedge accounting, the transaction must be designated as a hedge and it must be highly effective. The hedging instrument’s 
effectiveness is assessed utilizing regression analysis at the inception of the hedge and on at least a quarterly basis throughout 
its life. Hedges are considered highly effective when a correlation coefficient between .8 and 1.25 is achieved. All of the 
transactions that we have designated as hedges are accounted for as cash flow hedges. The effective portion of the gain or 
loss on a derivative instrument designated as a cash flow hedge is reported as a component of other comprehensive income 
and is reclassified into earnings in the period during which the transaction being hedged affects earnings. The ineffective 
portion of these hedges flows through earnings in the current period. Settlement gains and losses are recorded in interest 
expense. 

Prior to December 1, 2005, changes in the derivatives’ fair values were recognized in earnings (in realized and 

unrealized gains and losses derivative instruments); after that date hedge accounting was applied. 

Net finance costs for the years ended December 31, 2005 and December 31, 2004, were decreased by $1.6 million 

and $0.5 million due to realized and unrealized (gains) and losses on derivative instruments, respectively. For the year ended 
December 31, 2003, net finance costs were increased by $1.2 million due to realized and unrealized (gains) and losses on 
derivative instruments. Realized and unrealized (gains) includes both the change in fair value of derivative instruments as 
well as the cash settlement expense or income due to the derivative instruments for the period. 

28 

 
 
 
 
 
 
 
The changes to the components of realized and unrealized (gains) and losses on derivative instruments for each of 

the years ended December 31, 2005, 2004 and 2003 are shown in the following table (dollars in thousands): 

Increase (decrease) to net finance costs 
Change in fair value of derivative instruments 
Cash settlement expense 
Total realized and unrealized (gains) and losses from 

2005 

Years ended December 31, 
2004 

2003 

  $

(1,370 ) $
(219 )

(2,086 )  $
1,621   

(1,157 )
2,317  

derivative instruments 

  $

(1,589 ) $

(465 )  $

1,160  

We will be exposed to risk in the event of non-performance of the interest rate hedge counter-parties. We anticipate 

that we may hedge additional amounts of our floating rate debt during the next year. 

 Related Party and Similar Transactions 

We occasionally sell or consign engines to and purchase materials from avioserv, the successor to our former 
subsidiary and current subsidiary of T Group America. T Group America is owned by T Group (f/k/a SR Technics Group), an 
entity that is related to FlightTechnics LLC, which holds 14% of our common stock. We also sub-lease office space from 
avioserv with the lease term expiring October 31, 2008. During the year ended December 31, 2004, we sold one engine to 
avioserv at a net gain of $260,000. During the year ended December 31, 2005, we consigned one engine to avioserv and no 
parts of the engine were sold. W. William Coon, Jr., one of our directors, is also a director of Flight Technics, LLC and T 
Group America. He is also Chairman of the Board of Directors of avioserv. 

Gavarnie Holding, LLC, a Delaware Limited Liability Company (“Gavarnie”) owned by Charles F. Willis, IV, 

purchased the stock of Aloha IslandAir, Inc., a Delaware Corporation, (“IslandAir”) from Aloha AirGroup, Inc. (“Aloha”) on 
May 11, 2004. Charles F. Willis, IV is the President, CEO and Chairman of our Board of Directors and owns approximately 
33% of our common stock as of December 31, 2005. IslandAir leases five DeHaviland DHC-8-100 aircraft from us, under 
non-cancelable leases which generate lease revenue of approximately $2.5 million per year and have a net book value of 
$13.9 million, for remaining periods of between one and three years. IslandAir’s obligations under four of these leases are 
guaranteed by Aloha. However, in December 2004, Aloha filed for reorganization under Chapter 11 of the Bankruptcy Code. 
With its emergence from Chapter 11 in February 2006, Aloha’s obligations under its guaranty were discharged. The five 
leases are still performing and the lessee is current on all obligations and no provision has been made for any loss. 

We entered into a Consignment Agreement dated April 30, 2004, with Avsets.com, Inc. to sell parts from a 
disassembled engine. J.T. Power LLC (“J.T. Power”) agreed to market these parts on behalf of Avsets.com, Inc. J.T. Power is 
an entity whose majority shareholder, Austin Willis, is the son of our President and Chief Executive Officer, and directly and 
indirectly, a shareholder of ours. There is no remaining book value for the parts consigned to Avsets.com as of December 31, 
2005 and J.T.Power’s sales responsibilities have ended. 

ITEM 7A. 

QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK 

Our primary market risk exposure is that of interest rate risk. A change in the LIBOR rates would affect our cost of 

borrowing. Increases in interest rates to us, which may cause us to raise the implicit rates charged to our customers, could 
result in a reduction in demand for our leases. Alternatively, we may price our leases based on market rates so as to keep the 
fleet on-lease and suffer a decrease in our operating margin due to interest costs that we are unable to pass on to our 
customers. Approximately $403.2 million (99%) of our outstanding debt is variable rate debt. We estimates a one percent 
increase or decrease in our variable rate debt (net of derivative instruments) would result in an increase or decrease, 
respectively, in interest expense of $2.5 million per annum (in 2004, $2.6 million per annum). We estimate a two percent 
increase or decrease in our variable rate debt (net of derivative instruments) would result in an increase or decrease, 
respectively, in interest expense of $5.0 million per annum (in 2004, $5.2 million per annum). 

We hedge a portion of our borrowings, effectively fixing the rate of these borrowings. Based on the implied forward 

rates for 1-month LIBOR, we expect interest expenses will be reduced by approximately $0.2 million for the year ending 
December 31, 2005, as a result of our hedges. Such hedging activities may limit our ability to participate in the benefits of 
any decrease in interest rates, but may also protect us from increases in interest rates. Furthermore, since lease rates tend to 
vary with interest rate levels, it is possible that we can adjust lease rates for the effect of change in interest rates at the 
termination of leases. Other financial assets and liabilities are at fixed rates. 

We are also exposed to currency devaluation risk. During 2005, 2004, and 2003, respectively,  84%, 86%, and 89% 
of our total lease revenues came from non-United States domiciled lessees. All of our leases require payment in US dollars. If 
these lessees’ currency devalues against the US dollar, the lessees could potentially encounter difficulty in making their lease 

29 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
payments. 

ITEM 8. 

FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA 

The information required by this item is submitted as a separate section of this report beginning on page 35. 

ITEM 9. 

CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND 
FINANCIAL DISCLOSURE 

None. 

ITEM 9A. 

CONTROLS AND PROCEDURES 

(a) Evaluation of disclosure controls and procedures. As of March 31, 2005, at the time of the original filing of our 

annual report for the year ended December 31, 2004, we carried out an evaluation, under the supervision and with the 
participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of 
the design and operation of our disclosure controls and procedures pursuant to Exchange Act Rule 13a-14 as of the end of the 
period covered by this report. Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded 
that our disclosure controls and procedures were effective in timely alerting them to material information relating to us 
(including our consolidated subsidiaries) required to be included in our periodic reports. 

Financial Statement Classifications 

On July 13, 2005, we announced that we were restating our consolidated balance sheets, statements of income and 
statements of cash flows for years ended December 31, 2004, 2003 and 2002. As a result of a normal periodic review of our 
financial reports by the Staff of the SEC and discussions with the Staff of the SEC, we concluded that the net gain on debt 
prepayment in 2002 should be presented as an expense and cash that is restricted in connection with our borrowings should 
be presented separately as restricted cash. In accordance with APB opinion 20, paragraphs 36 and 37, we reflected these 
changes in our restated consolidated balance sheets, consolidated statements of income and consolidated statements of cash 
flows as of and for the years ended December 31, 2004, 2003 and 2002, and filed an amended Annual Report on Form 10-
K/A. 

We have concluded that the circumstances that led to the restatement resulted primarily from an interpretation of 
SFAS No. 145, issued in April 2002 that changed the treatment of gain or loss on debt extinguishment, so that it was to be 
classified as an extraordinary item only if it was unusual or infrequently occurring. Relying on the guidance in APB 20 that 
any difference between the reacquisition price and the net carrying amount of the extinguished debt shall be recognized 
currently in income of the period of extinguishment as loss or gain and identified as a separate item, we and our Audit 
Committee discussed the disclosure of the net gain on debt prepayment in 2002 and concluded that the net gain should be 
classified as revenue, and KPMG concurred with this inclusion. In discussions with the SEC, we concluded that the more 
appropriate treatment is to offset the net gain on debt prepayment against interest expense and this change was reflected in 
this restatement. 

We also concluded that the inclusion of restricted cash in the line item on the balance sheet, “cash and cash 
equivalents” had not been routinely reviewed for appropriateness. Even though the amounts were disclosed in the description 
of the line item, they should have been classified as a separate line item. 

As a result of the restatement of our consolidated balance sheets, statements of income and statements of cash flows, 

we, including our Chief Executive Officer and Chief Financial Officer determined that there was a material weakness in our 
internal control over financial reporting as of December 31, 2004, related to the presentation on our statement of income for 
the year ended December 31, 2002, for the net gain on debt prepayment and on our balance sheets and statements of cash 
flows for years ended December 31, 2004, 2003 and 2002 for cash that is restricted in connection with our borrowings. A 
material weakness is a control deficiency, or combination of control deficiencies, that results in more than a remote 
likelihood that a material misstatement of the annual or interim financial statements will not be prevented or detected. To 
prevent future misstatements of a similar nature, we changed the internal control over financial reporting by implementing 
expanded procedures including completion of a financial reporting checklist to ensure compliance with current reporting 
standards and accounting pronouncements issued since the end of the previous reporting period. 

Derivative Accounting 

On October 28, 2005, we announced that we were restating our 2004, 2003 and 2002 consolidated balance sheets, 

statements of income, statements of shareholders’ equity, and statements of cash flows to address our inappropriate 
application of accounting for derivative related transactions. We enter into derivative instruments (swaps and caps) to hedge 

30 

 
 
  
 
 
 
 
 
 
 
 
 
 
 
our interest rate exposure. Certain deficiencies have been identified in our derivative documentation. 

•  We had designated our swap and cap derivatives as cash flow hedges of our interest payments on our variable 
rate debt. We determined that the documentation related to these derivative instruments was insufficient to 
meet the documentation criteria under SFAS 133 and as a result we could not apply hedge accounting to the 
transactions. 
A portion of our interest payments were based on commercial paper rates. We erroneously tested the 
effectiveness of the related derivative instruments using one-month LIBOR instead of data that would have 
included both the interest rate risk and credit risk of the issuer of the commercial paper. 

• 

As a result of the restatement, we, including our Chief Executive Officer and Chief Financial Officer, determined 
that there was a material weakness in our internal control over financial reporting related to the proper accounting for our 
derivative contracts. We did not maintain effective controls over the documentation and valuation of derivative transactions 
since the implementation of SFAS 133 in 2001. Specifically, our documentation and effectiveness testing was not reviewed 
and validated regularly to ensure compliance with SFAS 133 and related implementation issues. 

To prevent future misstatements of a similar nature, we changed the internal control over our derivative 
documentation by implementing expanded procedures including a completion of a derivative accounting checklist to ensure 
compliance with current derivative documentation and accounting standards and accounting pronouncements issued since the 
end of the previous period. 

Conclusion 

Having implemented the expanded procedures discussed above, our Chief Executive Officer and Chief Financial 

Officer determined that the disclosure controls and procedures as of the end of the period were effective. 

(b) Changes in internal controls. During the quarter ended December 31, 2005, there were no other changes in our 

internal controls or in other factors that could affect the controls since the date of the last evaluation of internal controls as 
reported in the Form 10-Q for the quarter ended September 30, 2005. 

ITEM 9B. OTHER INFORMATION 

Not applicable. 

PART III 

ITEM 10. 

DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT 

We have adopted a Standards of Ethical Conduct Policy (“Code of Ethics”) that applies to all employees and 
directors including our Chief Executive Officer, Chief Operating Officer, and Chief Financial Officer. The Code of Ethics is 
filed in Exhibit 14.1 and is also available on our website at www.willislease.com. 

The remainder of the information required by this item is incorporated by reference to our Proxy Statement. 

ITEM 11. 

EXECUTIVE COMPENSATION 

The information required by this item is incorporated by reference to our Proxy Statement. 

ITEM 12. 

SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND 
RELATED STOCKHOLDER MATTERS 

The information required by this item is incorporated by reference to our Proxy Statement. The information in Item 

5 of this report regarding our Equity Compensation Plans is incorporated herein by reference. 

ITEM 13. 

CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS 

The information required by this item is incorporated by reference to our Proxy Statement. 

31 

 
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
ITEM 14. 

PRINCIPAL ACCOUNTANT FEES AND SERVICES 

We were billed the following amounts by our principal accountant: 

Audit fees 
Audit-related fees 
Tax fees 
All other fees 

2005 
736,755   $

  $

—  
—  
—  

  $

736,755   $

2004 
360,000   
6,125   
—   
—   
366,125   

Amounts billed under Audit fees for 2005 include $235,000 fees in connection with and response to an SEC 
comment letter, restatements of financial statements and amendments to the 2004 Form 10-K and Form 10-Q for the 
Quarterly Periods ended March 31, 2005 and June 30, 2005 and $140,755 of fees incurred related to the preferred stock 
offering. 

The remaining information required by this item is incorporated by reference to our Proxy Statement. 

ITEM 15. 

EXHIBITS AND FINANCIAL STATEMENT SCHEDULES 

PART IV 

(a) (1) Financial Statements 
The response to this portion of Item 15 is submitted as a separate section of this report beginning on page 33. 

(a) (2) Financial Statement Schedules 
Schedule II Valuation Accounts are submitted as a separate section of this report on page 56. 

All other financial statement schedules have been omitted as the required information is not pertinent to the Registrant or 
is not material or because the required information is included in the Financial Statements and Notes thereto. 

(a) (3), (b) and (c):  Exhibits:  The response to this portion of Item 15 is submitted below. 

Exhibit 
Number 

3.1 

EXHIBITS 

Description 

Certificate of Incorporation, dated March 12, 1998 together with Certificate of Amendment of Certificate of 
Incorporation, dated May 6, 1998 (incorporated by reference to Exhibits 4.01 and 4.02 on Form 8-K filed on 
June 23, 1998, SEC File No. 000-28774). 

10.1 

10.2 

4.2 

4.1 

3.2   Bylaws, dated April 18, 2001 (incorporated by reference to Exhibit 3.2 on Form 10-K filed on March 31, 2005). 
Amendment to Bylaws, dated November 13, 2001 (incorporated by reference to Exhibit 3.3 on Form 10-K filed 
3.3 
on March 31, 2005). 
Specimen of Series A Preferred Stock Certificate (incorporated by reference to Exhibit 4.1 on Form S-1 
Registration Statement Amendment No. 2 filed on January 27, 2006). 
Form of Certificate of Designations of the Registrant with respect to the Series A Preferred Stock (incorporated 
by reference to Exhibit 4.2 on Form S-1 Registration Statement Amendment No. 2 filed on January 27, 2006). 
Form of Indemnification Agreement entered into between the Company and its directors and officers 
(incorporated by reference to Exhibit 10.3 to Registration Statement No. 333-5126-LA filed on June 21, 1996). 
Stockholders’ Agreement, dated as of November 7, 2000, by and among the Company, Charles F. Willis, IV, 
CFW Partners, L.P., Austin Chandler Willis 1995 Irrevocable Trust and FlightTechnics LLC (incorporated by 
reference to Exhibit 10.8 on Form 8-K filed on November 13, 2000, SEC File No. 000-28774). 
Our 1996 Stock Option/Stock Issuance Plan, as amended and restated as of March 30, 2001 (incorporated by 
reference to Exhibit A of our Proxy Statement filed on April 27, 2001). 
Our 1996 Stock Option/Stock Issuance Plan, as amended and restated as of March 1, 2003 (incorporated by 
reference to Exhibit 99.1 of our Form S-8 filed on September 26, 2003). 
Employment Agreement between the Company and Charles F. Willis IV dated November 7, 2000 (incorporated 
by reference to Exhibit 10.2 of our report on Form 10-K for the year ended December 31, 2000). 
Employment Agreement between the Company and Donald A. Nunemaker dated November 21, 2000 
(incorporated by reference to Exhibit 10.3 of our report on Form 10-K for the year ended December 31, 2000). 
Employment contract between the Company and Monica J. Burke dated June 21, 2002 (incorporated by 
reference to Exhibit 10.5 to our report on Form 10-Q for the quarter ended June 30, 2002). 

10.3 

10.4 

10.5 

10.6 

10.7 

32 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10.8 

10.9 

10.10 

10.11 

10.12 

10.13 

10.14 

10.15 

10.16* 

10.17* 

10.18 

10.19* 

10.20 

10.21 

10.22 

10.23 

10.24 

10.25 

10.26* 

10.27* 

10.28 

Independent Contractor Agreement between the Company and Hans Joerg Hunziker dated September 13, 2002 
(incorporated by reference to Exhibit 10.34 to our report on Form 10-Q for the quarter ended September 30, 
2002). 
Employment Agreement between the Company and Thomas C. Nord dated September 19, 2005 (incorporated by 
reference to Exhibit 10.1 to our report on Form 8-K filed on September 23, 2005). 
Employment Offer Letter dated as of September 13, 2005 between Steven Oldenburg and the Company 
(incorporated by reference to Exhibit 10.10 on Form S-1 Registration Statement filed on December 20, 2005). 
Our Deferred Compensation Plan Effective as of July 1, 2001 (incorporated by reference to Exhibit 10.45 to our 
report on Form 10-K/A for the year ended December 31, 2004). 
Eighth Amendment to the Note Purchase Agreement, dated as of May 3, 2002, by and among the Company, 
WLFC Funding Corporation and Variable Funding Capital Corporation (incorporated by reference to 
Exhibit 10.24 to our report on Form 10-Q for the quarter ended June 30, 2002). 
Class A Note Purchase Agreement among Willis Engine Funding LLC, the Company, Sheffield Receivables 
Corporation and Barclay’s Bank PLC dated as of September 12, 2002 (incorporated by reference to 
Exhibit 10.29 to our report on Form 10-Q for the quarter ended September 30, 2002). 
Class B Note Purchase Agreement among Willis Engine Funding LLC, the Company, Fortis Bank (Nederland) 
N.V., and Barclay’s Bank PLC dated as of September 12, 2002 (incorporated by reference to Exhibit 10.30 to 
our report on Form 10-Q for the quarter ended September 30, 2002). 
Custodial Agreement by and among BNY Midwest Trust Company, Willis Engine Funding LLC, the Company, 
The Bank of New York and Barclay’s Bank PLC dated as of September 12, 2002 (incorporated by reference to 
Exhibit 10.32 to our report on Form 10-Q for the quarter ended September 30, 2002). 
Amended and Restated Contribution and Sale Agreement between the Company and Willis Engine Funding 
LLC dated as of December 13, 2002 (incorporated by reference to Exhibit 10.27 to our report on Form 10-K for 
the year ended December 31, 2002). 
Amended and Restated Series 2002-1 Supplement between Willis Engine Funding LLC and The Bank of New 
York dated as of December 13, 2002 (incorporated by reference to Exhibit 10.28 to our report on Form 10-K for 
the year ended December 31, 2002). 
Amended and Restated Guaranty between the Company, Barclays Bank PLC and Fortis Bank (Nederland) N.V. 
dated as of December 13, 2002 (incorporated by reference to Exhibit 10.29 to our report on Form 10-K for the 
year ended December 31, 2002). 
Amended and Restated Administration Agreement among Willis Engine Funding LLC, the Company, Barclays 
Bank PLC and The Bank of New York dated as of December 13, 2002 (incorporated by reference to 
Exhibit 10.30 to our report on Form 10-K for the year ended December 31, 2002). 
Amended and Restated Subclass A-1 Note Purchase Agreement among Willis Engine Funding LLC, the 
Company, Sheffield Receivables Corporation and Barclays Bank PLC dated as of December 13, 2002 
(incorporated by reference to Exhibit 10.31 to our report on Form 10-K for the year ended December 31, 2002). 
Subclass A-2 Note Purchase Agreement among Willis Engine Funding LLC, the Company, Sheffield 
Receivables Corporation and Barclays Bank PLC dated as of December 13, 2002 (incorporated by reference to 
Exhibit 10.32 to our report on Form 10-K for the year ended December 31, 2002). 
Amended and Restated Subclass B-1 Note Purchase Agreement among Willis Engine Funding LLC, the 
Company, Fortis Bank (Nederland) N.V. and Barclays Bank PLC dated as of December 13, 2002 (incorporated 
by reference to Exhibit 10.33 to our report on Form 10-K for the year ended December 31, 2002). 
Subclass B-2 Note Purchase Agreement among Willis Engine Funding LLC, the Company and Barclays Bank 
PLC dated as of December 13, 2002 (incorporated by reference to Exhibit 10.34 to our report on Form 10-K for 
the year ended December 31, 2002). 
Amended and Restated Indenture between Willis Engine Funding LLC, and The Bank of New York dated as of 
December 13, 2002 (incorporated by reference to Exhibit 10.35 to our report on Form 10-K for the year ended 
December 31, 2002). 
Amended and Restated Servicing Agreement between the Company and Willis Engine Funding LLC dated as of 
December 13, 2002 (incorporated by reference to Exhibit 10.36 to our report on Form 10-K for the year ended 
December 31, 2002). 
First Supplemental Indenture between Willis Engine Funding LLC and the Bank of New York dated October 10, 
2003 (incorporated by reference to Exhibit 10.33 to our report on Form 10-Q for the quarter ended 
September 30, 2003). 
First Amendment to Series Supplement between Willis Engine Funding LLC and the Bank of New York dated 
October 10, 2003 (incorporated by reference to Exhibit 10.34 to our report on Form 10-Q for the quarter ended 
September 30, 2003). 
Amendment No. 1 to Note Purchase Agreements between Willis Lease Finance Corporation, Willis Engine 
Funding LLC, Sheffield Receivables Corporation, Fortis Bank (Nederland) N.V., and Barclays Bank plc dated 

33 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10.29* 

10.30 

10.31 

10.32 

10.33 

10.34 

10.35 

10.36 

10.37* 

10.38 

10.39 

10.40* 

10.41* 

10.42* 

10.43 

10.44 

10.45* 

October 10, 2003 (incorporated by reference to Exhibit 10.35 to our report on Form 10-Q for the quarter ended 
September 30, 2003). 
Amended and Restated Credit Agreement, dated as of June 29, 2004 among Willis Lease Finance Corporation, 
and Certain Banking Institutions Named Herein with National City Bank and Fortis Bank (Nederland) N.V. 
(incorporated by reference to Exhibit 10.39 of our Form 10-Q for the quarter ended June 30, 2004). 
First Amendment to Amended and Restated Credit Agreement dated as of September 24, 2004 among the 
Company, National City Bank, Fortis Bank (Nederland) N.V. and CDC Finance—CDC IXIS (incorporated by 
reference to Exhibit 10.41 of our Form 10-Q for the quarter ended September 30, 2004). 
Letter Agreement dated September 30, 2004 between the Company, Willis Engine Funding LLC, The Bank of 
New York, Sheffield Receivables Corporation, Barclays Bank PLC and Fortis Bank (Nederland) N.V. to extend 
our warehouse facility (incorporated by reference to Exhibit 10.42 of the Company’ Form 10-Q for the quarter 
ended September 30, 2004). 
Loan and Aircraft Security Agreement dated October 29, 2004 between Fleet Capital Corporation and Willis 
Lease Finance Corporation (incorporated by reference to Exhibit 10.42 of our report in Form 10-K for the year 
ended December 31, 2004). 
Second Amendment to Amended and Restated Credit Agreement dated as of December 9, 2004 among Willis 
Lease Finance Corporation, National City Bank, Certain Named Banking Institutions and Fortis Bank 
(Nederland) N.V. (incorporated by reference to Exhibit 10.43 of our report in Form 10-K for the year ended 
December 31, 2004). 
Amendment No. 1 to Loan and Aircraft Security Agreement dated as of December 9, 2004 between Fleet Capital 
Corporation and Willis Lease Finance Corporation (incorporated by reference to Exhibit 10.44 of our report in 
Form 10-K for the year ended December 31, 2004). 
Third Amendment to Amended and Restated Credit Agreement dated as November 29, 2005 among Willis 
Lease Finance Corporation, National City Bank, Certain Named Banking Institutions and Fortis Bank 
(Nederland) N.V. (incorporated by reference to Exhibit 10.35 on Form S-1 Registration Statement filed on 
December 20, 2005). 
Fourth Amendment to Amended and Restated Credit Agreement dated as December 13, 2005 among Willis 
Lease Finance Corporation, National City Bank, Certain Named Banking Institutions and Fortis Bank 
(Nederland) N.V. (incorporated by reference to Exhibit 10.36 on Form S-1 Registration Statement Amendment 
No. 1 filed on January 9, 2006). 
Asset Transfer Agreement, dated as of August 9, 2005, among the Company, Willis Engine Securitization Trust, 
and WEST Engine Funding LLC (incorporated by reference to Exhibit 10.34 of our report in Form 10-Q filed on 
November 29, 2005). 
Series A1 Note Purchase Agreement, dated as of July 28, 2005, among the Company, Willis Engine 
Securitization Trust, UBS Securities LLC and UBS Limited (incorporated by reference to Exhibit 10.35 of our 
report in Form 10-Q filed on November 29, 2005). 
Series 2005 B1 Note Purchase Agreement, dated as of August 9, 2005, among the Company, Willis Engine 
Securitization Trust, Fortis Capital and HSH Nordbank AG (incorporated by reference to Exhibit 10.36 of our 
report in Form 10-Q filed on November 29, 2005). 
Series A2 Note Purchase Agreement, dated as of August 9, 2005, among the Company, Willis Engine 
Securitization Trust, Fortis Capital and HSH Nordbank AG (incorporated by reference to Exhibit 10.37 of our 
report in Form 10-Q filed on November 29, 2005). 
Series B2 Note Purchase Agreement, dated as of August 9, 2005 among the Company, Willis Engine 
Securitization Trust, Fortis Capital and HSH Nordbank AG (incorporated by reference to Exhibit 10.38 of our 
report in Form 10-Q filed on November 29, 2005). 
Indenture, dated August 9, 2005, by and between Willis Engine Securitization Trust and Deutsche Bank Trust 
Company Americas (incorporated by reference to Exhibit 10.39 of our report in Form 10-Q filed on 
November 29, 2005). 
Series A1 Indenture Supplement, dated August 9, 2005, by and between Willis Engine Securitization Trust and 
Deutsche Bank Trust Company Americas (incorporated by reference to Exhibit 10.40 of our report in Form 10-Q 
filed on November 29, 2005). 
Series B1 Indenture Supplement, dated August 9, 2005, by and between Willis Engine Securitization Trust and 
Deutsche Bank Trust Company Americas (incorporated by reference to Exhibit 10.41 of our report in Form 10-Q 
filed on November 29, 2005). 
Series A2 Indenture Supplement, dated August 9, 2005, by and between Willis Engine Securitization Trust and 
Deutsche Bank Trust Company Americas (incorporated by reference to Exhibit 10.42 of our report in Form 10-Q 
filed on November 29, 2005). 

34 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10.46* 

10.47 

10.48 

10.49 

10.50 

10.51 

10.52 

Series B2 Indenture Supplement, dated August 9, 2005, by and between Willis Engine Securitization Trust and 
Deutsche Bank Trust Company Americas (incorporated by reference to Exhibit 10.43 of our report in Form 10-Q 
filed on November 29, 2005). 
Servicing Agreement, dated as of August 9, 2005, among the Company, Willis Engine Securitization Trust, 
WEST Engine Funding and 59 engine owning trusts named therein (incorporated by reference to Exhibit 10.44 
of our report in Form 10-Q filed on November 29, 2005). 
Administrative Agency Agreement, dated as of August 9, 2005, among the Company, Willis Engine 
Securitization Trust, WEST Engine Funding and 59 engine owning trusts named therein (incorporated by 
reference to Exhibit 10.45 of our report in Form 10-Q filed on November 29, 2005). 
Limited Liability Company Agreement of WOLF A340 LLC, dated as of December 8, 2005, between Oasis 
International Leasing (USA), Inc. and the Company (incorporated by reference to Exhibit 10.49 on Form S-1 
Registration Statement Amendment No. 1 filed on January 9, 2006). 
Sale and Purchase Agreement (139), dated as of December 9, 2005, between Boeing Aircraft Holding Company 
and WOLF A340 LLC (incorporated by reference to Exhibit 10.50 on Form S-1 Registration Statement 
Amendment No. 1 filed on January 9, 2006). 
Sale and Purchase Agreement (149), dated as of December 9, 2005, between Boeing Aircraft Holding Company 
and WOLF A340 LLC (incorporated by reference to Exhibit 10.51 on Form S-1 Registration Statement 
Amendment No. 1 filed on January 9, 2006). 
Employment Agreement between the Company and Robert W. Warwick dated February 9, 2006 (incorporated 
by reference to our report on Form 8-K filed on February 10, 2006). 

11.1   Statement re Computation of Per Share Earnings 
12.1   Statements re Computation of Ratios 
14.1   Code of Ethics 
21.1 

Subsidiaries of the Company (incorporated by reference to Exhibit 21.1 on Form S-1 Registration Statement 
filed on December 20, 2005). 

23.1   Consent and Report of KPMG, LLP, Independent Auditors on Schedule II. 
31.1 

Certification of Charles F. Willis, IV, pursuant to Section 1350 as adopted pursuant to Section 302 of the 
Sarbanes-Oxley Act of 2002. 
Certification of Robert M. Warwick, pursuant to Section 1350 as adopted pursuant to Section 302 of the 
Sarbanes-Oxley Act of 2002. 
Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act 
of 2002. 

31.2 

32 

* 
material has been filed separately with the Commission. 

Portions of these exhibits have been omitted pursuant to a request for confidential treatment and the redacted 

(d)  Financial Statements 

Financial Statements are submitted as a separate section of this report beginning on page 35. 

35 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly 

caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized. 

SIGNATURES 

Dated:  March 30, 2006 

Willis Lease Finance Corporation 

By: 

/s/ CHARLES F. WILLIS, IV 
Charles F. Willis, IV 
Chairman of the Board, President, and 
Chief Executive Officer 

Dated: 

Title 

Signature 

Date: March 30, 2006 

  Chief Executive Officer and Director 

/s/ CHARLES F. WILLIS, IV 

(Principal Executive Officer) 

  Charles F. Willis, IV 

Date: March 30, 2006 

  Chief Financial Officer 

and Executive Vice President 
(Principal Finance and Accounting 
Officer) 

Date: March 30, 2006 

  Director 

Date: March 30, 2006 

  Director 

Date: March 30, 2006 

  Director 

Date: March 30, 2006 

  Director 

/s/ ROBERT M. WARWICK 
Robert M. Warwick 

/s/ WILLIAM M. LEROY 

  William M. LeRoy 

/s/ GLENN L. HICKERSON 

  Glenn L. Hickerson 

/s/ W. WILLIAM COON, JR. 

  W. William Coon, Jr. 

/s/ GERARD LAVIEC 

  Gerard Laviec 

36 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
INDEX TO CONSOLIDATED FINANCIAL STATEMENTS 

Report of Independent Registered Public Accounting Firm 

Consolidated Balance Sheets as of December 31, 2005 and December 31, 2004 

Consolidated Statements of Income for the years ended December 31, 2005, December 31, 2004 and December 31, 
2003 

38 

39 

40 

Consolidated Statements of Shareholders’ Equity and Comprehensive Income for the years ended December 31, 2005, 
December 31, 2004 and December 31, 2003 

41 

Consolidated Statements of Cash Flows for the years ended December 31, 2005, December 31, 2004 and December 
31, 2003 

Notes to Consolidated Financial Statements 

42 

43 

37 

 
 
 
 
 
 
 
 
 
 
 
 
 
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM 

The Board of Directors 
Willis Lease Finance Corporation: 

We have audited the accompanying consolidated balance sheets of Willis Lease Finance Corporation and 

subsidiaries (the “Company”) as of December 31, 2005 and 2004, and the related consolidated statements of income, 
shareholders’ equity and comprehensive income, and cash flows for each of the years in the three-year period ended 
December 31, 2005. These consolidated financial statements are the responsibility of the Company’s management. Our 
responsibility is to express an opinion on these consolidated financial statements based on our audits. 

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board 

(United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the 
financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the 
amounts and disclosures in the consolidated financial statements. An audit also includes assessing the accounting principles 
used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We 
believe that our audits provide a reasonable basis for our opinion. 

In our opinion, the consolidated financial statements referred to above present fairly, in all material respects, the 

financial position of Willis Lease Finance Corporation and subsidiaries as of December 31, 2005 and 2004, and the results of 
their operations and their cash flows for each of the years in the three-year period ended December 31, 2005, in conformity 
with U.S. generally accepted accounting principles. 

/s/  KPMG LLP 
San Francisco, California 
March 30, 2006 

38 

 
 
 
 
 
 
 
 
 
WILLIS LEASE FINANCE CORPORATION 
AND SUBSIDIARIES 
Consolidated Balance Sheets 
(In thousands, except share data) 

ASSETS 
Cash and cash equivalents 
Restricted cash 
Equipment held for operating lease, less accumulated depreciation of $97,565 and 

$83,785 at December 31, 2005 and 2004, respectively 

Equipment held for sale 
Operating lease related receivable, net of allowances of $462 and $400 at December 31, 

2005 and 2004, respectively 

Notes receivable 
Investments 
Assets under derivative instruments 
Property, equipment & furnishings, less accumulated depreciation of $1,530 and $1,259 

at December 31, 2005 and 2004, respectively 

Other assets 
Total assets 

LIABILITIES AND SHAREHOLDERS’ EQUITY 
Liabilities: 
Accounts payable and accrued expenses 
Deferred income taxes 
Notes payable net of discount of $2,909 and $0 at December 31, 2005 and 2004, 

respectively 

Maintenance reserves 
Security deposits 
Unearned lease revenue 
Total liabilities 

Shareholders’ equity: 
Preferred stock ($0.01 par value, 5,000,000 shares authorized; none outstanding) 
Common stock, ($0.01 par value, 20,000,000 shares authorized; 9,151,898 and 
8,998,365 shares issued and outstanding at December 31, 2005 and 2004, 
respectively) 

Accumulated other comprehensive income, net of income tax of $93 and $0 at 

December 31, 2005 and December 31, 2004, respectively 

Paid-in capital in excess of par 
Retained earnings 
Total shareholders’ equity 
Total liabilities and shareholders’ equity 

See accompanying notes to the consolidated financial statements. 

December 31, 
2005 

December 31,
2004 

  $

6,346    $
61,257   

5,540  
46,324  

  $

  $

540,657   
6,223   

503,522  
7,921  

4,512   
161   
10,347   
2,515   

1,630  
436  
1,480  
1,398  

7,662   
15,997   
655,677    $

7,537  
9,670  
585,458  

26,152    $
28,588   

7,280  
27,530  

407,551   
63,156   
3,964   
4,793   
534,204   

369,840  
56,871  
2,088  
5,381  
468,990  

—   

92   

—  

90  

(161 ) 
63,618   
57,924   
121,473   
655,677    $

—  
62,631  
53,747  
116,468  
585,458  

  $

39 

 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
   
 
 
   
 
 
 
 
 
 
 
 
 
   
 
 
   
 
 
 
 
 
 
 
 
WILLIS LEASE FINANCE CORPORATION 
AND SUBSIDIARIES 
Consolidated Statements of Income 
(In thousands, except per share data) 

2005 

Years Ended December 31, 
2004 

2003 

REVENUE 
Lease revenue 
Gain on sale of leased equipment 
Other income 
Total revenue 

  $

63,119    $
7,061   
366   
70,546   

58,177    $
3,085   
677   
61,939   

EXPENSES 
Depreciation expense 
Write-down of equipment 
General and administrative 
Net finance costs: 
Interest expense 
Interest income 
Net loss on extinguishment of debt 
Realized and unrealized (gains) and losses on derivative instruments  

Total net finance costs 
Total expenses 

Income before income taxes 
Income tax expense 
Net income 

Basic earnings per common share: 

Diluted earnings per common share: 

Average common shares outstanding 
Diluted average common shares outstanding 

See accompanying notes to the consolidated financial statements. 

  $

  $

  $

25,291   
81   
16,880   

24,514   
(1,541 ) 
1,375   
(1,589 ) 
22,759   
65,011   

23,198   
577   
14,791   

16,350   
(434 ) 
—   
(465 ) 
15,451   
54,017   

5,535   
(1,358 ) 
4,177    $

7,922   
(2,439 ) 
5,483    $

0.46    $

0.61    $

0.44    $

0.59    $

9,075   
9,515   

8,925   
9,276   

56,977  
2,372  
520  
59,869  

21,686  
1,272  
13,852  

14,957  
(244 )
—  
1,160  
15,873  
52,683  

7,186  
(2,093 )
5,093  

0. 58  

0. 57  

8,840  
8,888  

40 

 
 
 
 
 
 
 
 
 
  
   
 
 
 
 
 
 
  
   
 
 
  
   
 
 
 
 
 
  
   
 
 
 
 
 
 
 
 
  
   
 
 
 
 
 
  
   
 
 
 
  
   
 
 
 
  
   
 
 
 
 
WILLIS LEASE FINANCE CORPORATION 
AND SUBSIDIARIES 
Consolidated Statements of Shareholders’ Equity and Comprehensive Income 
Years Ended December 31, 2005, 2004 and 2003 
(In thousands) 

Issued and 
Outstanding 
Shares of 
Common 
Stock 

Common 
Stock 

Paid-in 
Capital in 
Excess of 
Par 

Accumulated
Other 
Comprehensive
Loss Net 

Retained 
Earnings 

Total 
Shareholders’
Equity 

8,834    $

88    $

61,646    $

—    $

43,171    $

104,905  

—   

—   

—   

—   

5,093   

5,093  

13   

—   

8,847   

—   

151   

—   

8,998   

—   

—   

—   

88   

—   

2   

—   

90   

—   

61   

3   

61,710   

—   

755   

166   

62,631   

—   

5,093  

61  

3  

—   

—   

48,264   

110,062  

5,483   

5,483  

5,483  

757  

166  

—   

—   

53,747   

116,468  

4,177   

4,177  

—   

—   

—   

—   

—   

—   

—   

—   

—   

—   

—   

(161 ) 

—   

(161 )

154   

2   

798   

—   

—   

189   

—   

—   

—   

—   

4,016  

800  

189  

9,152    $

92    $

63,618    $

(161 )  $

57,924    $

121,473  

Balances at December 31, 

2002 

Net income 

Total comprehensive 

income 

Shares issued under stock 
compensation plans 

Tax benefit on disqualified 
dispositions of shares 

Balances at December 31, 

2003 

Net income 

Total comprehensive 

income 

Shares issued under stock 
compensation plans 

Tax benefit on disqualified 
dispositions of shares 

Balances at December 31, 

2004 

Net income 

Accumulated other 

comprehensive income: 

Net loss on cash flow 

hedging instruments, net 
of tax of $93 

Total comprehensive 

income 

Shares issued under stock 
compensation plans 

Tax benefit on disqualified 
dispositions of shares 

Balances at December 31, 

2005 

See accompanying notes to the consolidated financial statements. 

41 

 
 
 
 
 
 
 
 
 
 
 
    
  
  
  
    
  
 
 
 
   
  
  
  
    
  
 
 
 
   
  
  
  
    
  
 
   
  
  
  
   
 
 
   
  
  
  
    
  
 
 
 
   
  
  
  
    
  
 
 
 
   
  
  
  
   
 
 
 
 
   
  
  
  
   
 
 
 
 
   
  
  
  
   
 
 
   
  
  
  
   
 
 
   
  
  
  
   
 
 
 
 
   
  
  
  
    
  
 
 
 
   
  
  
  
   
 
 
 
 
   
  
  
  
    
  
 
 
 
   
  
  
  
    
  
 
   
  
  
  
   
 
 
 
 
   
  
  
  
   
 
 
   
  
  
  
   
 
 
   
  
  
  
   
 
 
 
 
   
  
  
  
   
 
 
 
 
  
 
 
 
  
 
 
WILLIS LEASE FINANCE CORPORATION 
AND SUBSIDIARIES 
Consolidated Statements of Cash Flows 
(In thousands) 

Cash flows from operating activities: 
Net income 
Adjustments to reconcile net income to net cash provided by operating activities: 
Depreciation expense 
Write-down of equipment 
Amortization of deferred costs 
Amortization of loan discount 
Allowances and provisions 
Changes in the fair value of derivative instruments 
Gain on sale of leased equipment 
Loss on disposition of property, plant & equipment 
Income from joint venture 
Net loss on extinguishment of debt 
Changes in assets and liabilities: 

Receivables 
Other assets 
Accounts payable and accrued expenses 
Deferred income taxes 
Restricted cash 
Maintenance reserves 
Security deposits 
Unearned lease revenue 

Net cash provided by operating activities 
Cash flows from investing activities: 
Proceeds from sale of equipment held for operating lease (net of selling expenses) 
Proceeds from principal payment of notes receivable 
Proceeds from sale of property, equipment and furnishings 
Investment in WOLF A340, LLC 
Purchase of equipment held for operating lease 
Purchase of property, equipment and furnishings 
Net principal payments received on direct finance lease 
Net cash used in investing activities 
Cash flows from financing activities: 
Proceeds from issuance of notes payable 
Debt issuance cost 
Proceeds from issuance of common stock 
Principal payments on notes payable 
Net cash provided by/(used in) by financing activities 
Increase (decrease) in cash and cash equivalents 

Cash and cash equivalents at beginning of period 

Cash and cash equivalents at end of period 

Supplemental disclosures of cash flow information: 
Net cash paid for: 

Interest 
Income taxes 

Supplemental disclosures of non-cash investing activities: 

2005 

Years ended December 31, 
2004 

2003 

$

4,177    $

5,483    $

5,093   

25,291   
81   
2,861   
186   
300   
(1,370 ) 
(7,061 ) 
3   
(2 ) 
1,375   

(3,182 ) 
(4,310 ) 
5,586   
1,340   
(14,933 ) 
18,115   
1,876   
(588 ) 
29,745   

33,627   
4,625   
—   
(8,865 ) 
(89,858 ) 
(549 ) 
—   
(61,020 ) 

372,856   
(6,244 ) 
800   
(335,331 ) 
32,081   
806   

23,198   
577   
2,379   
256   
(40 ) 
(2,086 ) 
(3,085 ) 
19   
—   
—   

505   
(1,006 ) 
1,527   
2,412   
(12,540 ) 
14,368   
(226 ) 
(1,620 ) 
30,121   

19,007   
1,778   
33   
—   
(59,371 ) 
(7,445 ) 
5,551   
(40,447 ) 

58,633   
(1,282 ) 
757   
(51,444 ) 
6,664   
(3,662 ) 

5,540   

9,202   

6,346    $

5,540    $

21,686   
1,272   
2,672   
—   
141   
(1,157 ) 
(2,372 ) 
—   
—   
—   

1,144   
(2,700 ) 
1,314   
2,083   
(9,298 ) 
12,197   
(26 ) 
546   
32,595   

20,386   
—   
—   
—   
(31,881 ) 
(78 ) 
1,281   
(10,292 ) 

68,376   
(363 ) 
61   
(83,978 ) 
(15,904 ) 
6,399   

2,803   

9,202   

21,244    $
18    $

14,141    $
25    $

12,616   
29   

$

$
$

During the years ended December 31, 2005, 2004 and 2003, respectively, $11,497, $1,131 and $918 of maintenance reserves 

were included in the gain on the sale of leased equipment. 

During the years ended December 31, 2005, 2004 and 2003, a liability of $13,242, $0 and $13,317, respectively, was incurred in 

connection with our purchase of aircraft and engines. 

See accompanying notes to the consolidated financial statements. 

42 

 
 
 
 
 
 
 
 
 
  
   
  
 
 
  
   
  
 
 
 
 
 
 
 
 
 
 
 
  
   
  
 
 
 
 
 
 
 
 
 
 
  
   
  
 
 
 
 
 
 
 
 
 
  
   
  
 
 
 
 
 
 
 
 
  
   
  
 
 
 
  
   
  
 
 
 
  
   
  
 
  
   
  
 
  
   
  
 
 
 
 
  
   
  
 
  
   
  
 
 
 
  
 
 
 
 
 
 
WILLIS LEASE FINANCE CORPORATION 
AND SUBSIDIARIES 

Notes to Consolidated Financial Statements 

(1)  Organization and Summary of Significant Accounting Policies 

(a)  Organization 

Willis Lease Finance Corporation (“Willis” or the “Company”) is a provider of aviation services whose primary 
focus is on providing operating leases of commercial aircraft engines and other aircraft-related equipment to air carriers, 
manufacturers and overhaul/repair facilities worldwide. Willis also engages in the selective purchase and resale of 
commercial aircraft engines. 

WLFC-AC1 Inc. is a wholly-owned consolidated subsidiary of Willis established to facilitate financing of aircraft 

engines. It is incorporated in Delaware. 

WLFC (Ireland) Limited is a wholly-owned subsidiary of Willis. WLFC (Ireland) Limited was formed in 1998 and 

WLFC Funding (Ireland) Limited was formed in 2001 to facilitate certain of Willis’ international leasing activities. 

During 2005, Willis Engine Securitization Trust (“WEST”) was established for the purpose of financing aircraft 

engines. WEST purchased Willis Engine Funding LLC (“WEF”), a wholly owned subsidiary of Willis. WEF was renamed 
WEST Engine Funding LLC. WEF is a Delaware limited liability company and was established in 2002 for the purpose of 
financing aircraft engines and is a special-purpose bankruptcy-remote entity. WEST Engine Funding (Ireland) Limited is a 
wholly-owned subsidiary of WEST and was established in 2005 to facilitate certain international leasing activities. 

During 2005, Terandon Leasing Corporation and T-11 Inc. were merged into their parent and dissolved. 

During 2004, T-2 Inc., T-4 Inc., T-5 Inc., T-7 Inc., T-8 Inc., T-10 Inc. and WLFC Engine Pooling Company were 

merged into their parent and dissolved. 

Management considers the continuing operations of our company to operate in one reportable segment. 

(b)  Principles of Consolidation 

The consolidated financial statements include the accounts of Willis, WEST, WEF, WLFC-AC1 Inc., WLFC 

Funding (Ireland) Limited and WLFC (Ireland) Limited (together, the “Company”). All intercompany balances and 
transactions have been eliminated in consolidation. 

(c)  Revenue Recognition 

Revenue from leasing of aircraft equipment is recognized as operating lease or finance lease revenue over the terms 

of the applicable lease agreements. Revenue is not recognized when cash collection is not reasonably assured. 

(d)  Equipment Held for Operating Lease 

Aircraft assets held for operating lease are stated at cost, less accumulated depreciation. Certain costs incurred in 

connection with the acquisition of aircraft assets are capitalized as part of the cost of such assets. Major overhauls paid for by 
us, which add economic value or useful life, are capitalized and depreciated over the estimated remaining useful life of the 
equipment. Overhauls paid for from the accumulated maintenance reserves are not capitalized. 

We generally depreciate engines on a straight-line basis over a 15-year period from the acquisition date to a 55% 
residual value. We believe that this methodology accurately reflects our typical holding period for the assets and, that the 
residual value assumption reasonably approximates the selling price of the assets 15 years from date of acquisition. 

For engines or aircraft that are unlikely to be repaired at the end of the current expected useful lives, we depreciate 
the engines or aircraft over their estimated lives to a residual value based on an estimate of the wholesale value of the parts 
after disassembly. 

The spare parts packages owned by us are depreciated on a straight-line basis over an estimated useful life of 15 

years to a 25% residual value. 

The aircraft owned by us are depreciated on a straight-line basis over an estimated useful life of 13 to 20 years to a 

15% to 17% residual value. 

43 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Statement of Financial Accounting Standards No. 144, “Accounting for the Impairment or Disposal of Long-Lived 

Assets,”  (SFAS 144) requires that long-lived assets and certain identifiable intangibles to be held and used by an entity be 
reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not 
be recoverable, and long-lived assets and certain identifiable intangibles to be disposed of generally be reported at the lower 
of carrying amount or fair value less cost to sell. Impairment is identified by comparison of undiscounted forecast cash flows, 
including estimated sales proceeds, over the life of the asset with the assets’ book value minus maintenance reserves. If the 
forecast undiscounted cash flows are less than the book value the asset is written down to its fair value. Fair value is 
determined by reference to independent appraisals, quoted market prices (e.g. an offer to purchase) and other factors 
considered relevant by Management. We conduct a formal annual review of the carrying value of long-lived assets. Such 
reviews resulted in impairment charges for engines and aircraft of $0.1 million, $0.6 million and $1.3 million (disclosed 
separately as “Write-down of equipment” in the Consolidated Statements of Income) in 2005, 2004 and 2003, respectively. 

(e)  Loan Commitment and Related Fees 

To the extent that we are required to pay fees in order to secure debt, such fees are capitalized and amortized over 

the life of the related loan using the interest method. 

(f)  Maintenance and Repair Costs 

Maintenance and repair costs under our leases are generally the responsibility of the lessees. Under many of our 

leases, lessees pay periodic use fees to us based on the usage of the asset. We record a Maintenance reserve liability in 
respect of the use fees collected. Upon the completion of approved maintenance of an asset, such fees are returned to the 
lessee up to the amount of the repair but not exceeding the use fees paid by the lessee. Under certain of our leases, the lessee 
is not obligated to perform maintenance on the asset. At the end of the lease, any un-reimbursed maintenance reserves are 
retained by us. Maintenance reserves are recognized as income upon sale of the related engine. Such amounts recognized 
were $11.5 million, $1.1 million and $0.9 million for the years ended December 31, 2005, 2004 and 2003, respectively. 

(g)  Interest Rate Hedging 

We have entered into various derivative instruments to mitigate our exposure on our variable rate borrowings. The 
derivative instruments are fixed-rate interest swaps and caps, where Statement of Financial Accounting Standards No. 133, 
“Accounting for Derivative Instruments and Hedging Activities,” as amended, (“SFAS 133”) requires companies to record 
derivative instruments at fair value as either an asset or liability. 

For all years and the 11 months preceding November 30, 2005, none of the derivative instruments we have entered 
into qualify for hedge accounting in accordance with SFAS 133. The fair value of the derivative instruments is measured at 
each balance sheet date and recorded on the balance sheet as assets or liabilities under derivative instruments. The change in 
the fair value is recorded in the income statement as part of realized and unrealized (gains) and losses on derivative 
instruments in net finance costs. The differential to be paid or received under the derivative instruments is charged or credited 
to realized and unrealized (gains) and losses on derivative instruments in net finance costs. 

However, commencing December 1, 2005 we applied hedge accounting per SFAS 133. While substantially all of 

our derivative transactions are entered into for the purposes described above, hedge accounting is only applied where specific 
criteria have been met and it is practicable to do so. In order to apply hedge accounting, the transaction must be designated as 
a hedge and it must be highly effective. The hedging instrument’s effectiveness is assessed utilizing regression analysis at the 
inception of the hedge and on at least a quarterly basis throughout its life. Hedges are considered highly effective when a 
correlation coefficient of between .8 and 1.25 is achieved. All of the transactions that we have designated as hedges are cash 
flow hedges. The effective portion of the gain or loss on a derivative instrument designated as a cash flow hedge is reported 
as a component of other comprehensive income and is reclassified into earnings in the period during which the transaction 
being hedged affects earnings. The ineffective portion of these hedges flows through earnings in the current period. 
Settlement gains and losses are recorded in interest expense. 

(h)  Income Taxes 

We use the asset and liability method of accounting for income taxes. Under the asset and liability method, deferred 

income taxes are recognized for the tax consequences of “temporary differences” by applying enacted statutory tax rates 
applicable to future years to differences between the financial statement carrying amounts and the tax bases of existing assets 
and liabilities. The effect on deferred taxes of a change in the tax rates is recognized in income in the period that includes the 
enactment date. 

44 

 
 
 
 
 
 
 
 
 
 
 
  
(i)  Property, Equipment and Furnishings 

Property, equipment and furnishings are recorded at cost and depreciated by the straight-line method over the 

estimated useful lives of the related assets, which range from three to seven years. Leasehold improvements are recorded at 
cost and depreciated by the straight-line method over the lease term. 

(j)  Sale of Leased Equipment 

We regularly sell equipment from our lease portfolio. This equipment may or may not be subject to a lease at the 

time of sale. The gain or loss on such sales is recognized as revenue and consists of proceeds associated with the sale less the 
net book value of the asset sold and any direct costs associated with the sale. To the extent that deposits or maintenance 
reserves associated with the engine are not included in the sale we include such items in our calculation of gain or loss. We 
also engage in engine exchanges and, where the cash element of the exchange exceeds 25% of the fair value of the 
transaction, the exchange is treated as a monetary one and the gain or loss on sale is recognized. 

(k)  Cash and Cash Equivalents 

We consider highly liquid investments readily convertible into known amounts of cash, with original maturities of 

90 days or less, as cash equivalents. 

(l)  Restricted Cash 

We have certain bank accounts that are subject to restrictions in connection with our borrowings. Under WEST cash 

is collected in a restricted account, which is used to service the debt and any amounts remaining after debt service and 
defined expenses are distributed to us. Additionally, under this facility maintenance reserve payments and lease security 
deposits are accumulated in a restricted account and are not available for general use. Further, WEST deposits cash in the 
Senior Restricted Cash Account in an amount equal to 4% of the sum of the outstanding principal balances of all Series of 
Series A Notes and in the Junior Restricted Cash Amount in an amount equal to 3% of the sum of the outstanding principal 
balances of all Series of Series B Notes. The WLFC-AC1 credit facility had similar maintenance reserve and security deposit 
accounts restricted from general use. Maintenance reserve accounts are only available to meet the costs of specified engine 
maintenance or repair provisions and will usually be reimbursed to the lessee. In the event an engine is sold, accumulated 
maintenance reserves may then be available to us (see note 1(j) above). Security deposits are held until the end of the lease, at 
which time provided return conditions have been met, the deposit will be returned to the lessee. To the extent return 
conditions are not met, these deposits may be retained by us. 

(m)  Reclassifications 

Certain items in the consolidated financial statements of prior years have been reclassified to conform to the current 

year’s presentation. 

(n)  Management Estimates 

These financial statements have been prepared on the accrual basis of accounting in accordance with accounting 

principles generally accepted in the United States. 

The preparation of consolidated financial statements requires us to make estimates and judgments that affect the 

reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. On 
an ongoing basis, we evaluate our estimates, including those related to residual values, estimated asset lives, bad debts, 
income taxes, contingencies and litigation. We base our estimates on historical experience and on various other assumptions 
that are believed to be reasonable under the circumstances for making judgments about the carrying values of assets and 
liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different 
assumptions or conditions. 

Management believes that the accounting policies on useful life of equipment, residual values and asset impairment 

are critical to the results of operations. 

If the useful lives or residual values are lower than those estimated by us, upon sale of the asset a loss may be 

realized. Significant management judgment is required in the forecasting of future operating results, which are used in the 
preparation of projected undiscounted cash-flows and should different conditions prevail, material impairment write-downs 
may occur. 

(o)  Per share information 

Basic earnings per common share is computed by dividing net income by the weighted-average number of common 

45 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
shares outstanding during the period. The computation of fully diluted earnings per share is similar to the computation of 
basic earnings per share, except for the inclusion of all potentially dilutive common shares. The reconciliation between basic 
common shares and fully diluted common shares is presented below: 

Shares: 

Weighted-average number of common shares outstanding 
Potentially dilutive common shares 

Total shares 

Potential common stock excluded as anti-dilutive in period 

(p)  Investment 

2005 

Years ended December 31, 
2004 
(in thousands) 

2003 

9,075   
440   
9,515   
480   

8,925   
351   
9,276   
406   

8,840  
48  
8,888  
1,645  

We have one investment in a joint venture where we own 50% of the equity of the venture and we have significant 
influence. We account for this investment using the equity method of accounting. The investment is recorded at the amount 
invested plus or minus our 50% share of net income or loss less any distributions or return of capital received from the entity. 

We also have an investment in a non-marketable security where management does not have significant influence 

and is recorded at cost. Management evaluates the investment for impairment quarterly. No adjustment to the carrying value 
was required during the periods presented. 

(q)  Stock Options 

We account for our two stock based compensation plans (as described in Note 10) using the intrinsic value method 

prescribed by APB Opinion No. 25, “Accounting for Stock Issued to Employees” and related interpretations, as allowed 
under SFAS No. 123, “Accounting for Stock Based Compensation” and SFAS No. 148, “Accounting for Stock Based 
Compensation — Transition and Disclosure – an amendment of FASB Statement No. 123.” APB 25 requires compensation 
expense to be recognized over the employee service period based on the excess, if any, of the quoted market price of the 
stock at the date the award is granted or other measurement date, as applicable, over an amount the employee must pay to 
acquire the stock. As a result no compensation expense has been recognized during the three years ended December 31, 2005. 

Had compensation cost for our two stock-based compensation plans been determined consistent with SFAS 148, our 

net income and earnings per share would have been as follows: 

2005 

2004 
(in thousands except for per share data) 
4,177    $

5,483    $

2003 

Net income as reported 
Deduct: Total stock-based employees compensation expense 

determined under fair value based method for all awards, net of 
related tax effect 
Pro forma net income 

Basic earnings per common share as reported 
Basic earnings per common share pro forma 

Diluted earnings per common share as reported 
Diluted earnings per common share pro forma 

  $

  $

  $
  $

  $
  $

(604 ) 
3,573    $

0.46    $
0.39    $

0.44    $
0.38    $

(748 ) 
4,735    $

0. 61    $
0. 53    $

0. 59    $
0. 51    $

5,093  

(651 )
4,442  

0. 58  
0. 50  

0. 57  
0. 50  

The fair value of the purchase rights under the Purchase Plan and the Plan is estimated using the Black-Scholes 

option pricing model. 

The assumptions underlying the estimates derived using the Black-Scholes model are as follows: 

Expected dividend yield 
Risk-free interest rate 
Expected volatility 
Expected life (in years) 

1996 Stock Option/ Stock 
Issuance Plan 
2004 

2005 

2003 

2005 

Employee Stock 
Purchase Plan 
2004 

0.0 %
4.07 %
66.58 %
5.47   

0.0 %
3.61 %
69.15 %
5.17   

46 

0.0 %
2.89 %
72.07 %
3.97   

0.0 % 
2.23 % 
53.50 % 

0.5 -2.0   

0.0 %
1.84 %
69.59 %
0.5-2.0   

2003 

0.0 %
1.21 %
71.35 %
0.5-1.0   

 
 
 
 
 
 
 
 
 
 
  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
   
 
 
 
  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
The Black-Scholes option valuation model was developed for use in estimating the fair value of traded options that 

have no vesting restrictions and are fully transferable. In addition, option valuation models require the input of highly 
subjective assumptions including the expected stock price volatility. Because our employee stock plans have characteristics 
significantly different from those of traded options, and because changes in the subjective input assumptions can materially 
affect the fair value estimate, in management’s opinion the existing models do not necessarily provide a reliable single 
measure of the fair value of our stock plans and the warrants. 

(r) 

Initial Direct Costs associated with Leases 

We account for the initial direct costs, including sales commission and legal fees, incurred in obtaining a new lease 
by deferring and amortizing those costs over the term of the lease. The amortization of these costs is recorded under General 
and Administrative expenses in the Consolidated Statements of Income.  The amounts amortized were $1,040,000, $737,000 
and $440,000 for the years ended December 31, 2005, 2004 and 2003, respectively. 

(2) Equipment Held for Lease and Net Investment in Direct Finance Lease 

At December 31, 2005, we had 124 aircraft engines and related equipment with an aggregate original cost of $610.6 
million, three spare parts packages with an aggregate original cost of $3.6 million and five aircraft with an aggregate original 
cost of $24.0 million, in our operating lease portfolio. At December 31, 2004, we had 115 aircraft engines and related 
equipment with an aggregate original cost of $559.8 million, three spare parts packages with an aggregate original cost of 
$3.6 million, five aircraft with an aggregate original cost of $24.0 million in our operating and finance lease portfolio. 

A majority of our aircraft equipment is leased and operated internationally. All leases relating to this equipment are 

denominated and payable in U.S. dollars. 

We lease our aircraft equipment to lessees domiciled in 9 geographic regions. The tables below set forth geographic 
information about our leased aircraft equipment grouped by domicile of the lessee (which is not necessarily indicative of the 
asset’s actual location): 

Lease revenue 

Region 

United States 
Canada 
Mexico 
Australia/New Zealand 
Europe 
South America 
Asia 
Africa 
Middle East 

Totals 

Lease revenue less applicable depreciation, and interest: 

Region: 

United States 
Canada 
Mexico 
Australia/New Zealand 
Europe 
South America 
Asia 
Africa 
Middle East 
Off-lease and other 

Totals 

2005 

Years ended December 31, 
2004 
(in thousands) 

2003 

10,167    $
—   
4,658   
—   
22,716   
9,985   
9,649   
780   
5,164   
63,119    $

8,094    $
238   
4,225   
670   
25,943   
8,452   
4,889   
1,064   
4,602   
58,177    $

6,373  
1,042  
4,349  
853  
25,310  
7,576  
5,540  
1,373  
4,561  
56,977  

2005 

Years ended December 31, 
2004 
(in thousands) 

2003 

2,946    $
—   
1,343   
—   
6,517   
3,536   
4,164   
357   
2,089   
(3,945 ) 
17,007    $

2,284    $
216   
980   
194   
12,241   
3,852   
2,313   
571   
2,299   
(4,552 ) 
20,398    $

1,148  
914  
1,143  
426  
13,421  
4,111  
2,736  
775  
2,460  
(4,682 )
22,452  

  $

  $

  $

  $

47 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
   
 
 
 
 
 
 
 
 
 
 
 
Net book value of equipment held for operating lease: 

2005 

2004 

Region 

United States 
Canada 
Mexico 
Australia/New Zealand 
Europe 
South America 
Asia 
Africa 
Middle East 
Off-lease and other 

Totals 

  $

  $

53,522    $
—   
37,620   
—   
185,360   
65,344   
94,256   
5,659   
47,637   
51,259   
540,657    $

70,611   
—   
38,387   
—   
170,088   
67,927   
41,073   
5,860   
38,024   
71,552   
503,522   

As of December 31, 2005 and 2004, the lease status of the equipment held for operating lease was as follows: 

Lease Term 

Off-lease and other 
Month-to-month leases 
Leases expiring 2006 
Leases expiring 2007 
Leases expiring 2008 
Leases expiring 2009 
Leases expiring 2010 
Leases expiring thereafter 

Lease Term 

Off lease and other 
Month-to-month leases 
Leases expiring 2005 
Leases expiring 2006 
Leases expiring 2007 
Leases expiring 2008 
Leases expiring 2009 
Leases expiring thereafter 

December 31, 2005
Net Book Value 
(in thousands) 

  $

  $

51,259  
74,419  
152,764  
51,310  
85,675  
16,229  
57,842  
51,159  
540,657  

December 31, 2004
Net Book Value 
(in thousands) 

  $

  $

71,552  
35,252  
180,261  
79,046  
32,988  
29,008  
6,418  
68,997  
503,522  

The finance lease terminated during 2004. 

As of December 31, 2005, minimum future payments under non-cancelable leases were as follows: 

Year 
2006 
2007 
2008 
2009 
2010 
Thereafter 

(3) Notes Receivable 

(in thousands) 

  $

  $

42,052   
30,777   
20,938   
14,405   
12,026   
8,689   
128,887  

At December 31, 2005, we had Notes Receivable of $0.2 million relating to the sale of two airframes in 2004. The 

notes are payable over two years at 6% per annum interest. The final payment is due July 2006. 

48 

 
 
 
 
 
 
  
   
 
  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
(4) Investments 

In July 1999, we entered into an agreement to participate in a joint venture formed as a limited company — Sichuan 
Snecma Aero-engine Maintenance Co. Ltd. (“Sichuan Snecma”). At December 31, 2005 and 2004, our investment is 7%. We 
elected not to make a capital call agreed to by the other investors. When the capital call is funded by the other investors in 
early 2006, our investment will be diluted to a 4.7% interest. Sichuan Snecma focuses on providing maintenance services for 
CFM56 series engines and is located in Chengdu, China. Other participants in the joint venture are Air China International 
Company and Snecma Services. As of the year ended December 31, 2005 and 2004, $1.5 million has been contributed. This 
investment is recorded at cost. 

We hold a fifty percent membership interest in a joint venture, WOLF A340, LLC, a Delaware limited liability 

company, (“WOLF”). On December 30, 2005, WOLF completed the purchase of two Airbus A340-313 aircraft from Boeing 
Aircraft Holding Company for a purchase price of $96 million. The purchase was funded by four term notes with one 
financial institution totaling $76.8 million, with interest payable at LIBOR plus 1.0% to 2.5% and maturing in 2013. These 
aircraft are currently on lease to Emirates until 2013. Our investment in the joint venture is $8.9 million as of December 31, 
2005. 

49 

 
 
 
 (5) Notes Payable 

Notes payable consisted of the following: 

Credit facility at a floating rate of interest of LIBOR plus 2.25% (2004, 2.25%). Secured 
by engines. The facility has a committed amount of $168.0 million (2004, $148.5 
million), which revolves until May 2006 and matures in May 2007. 

  $

141,500    $

117,000  

As of December 31, 

2005 

2004 

(in thousands) 

WEST Series 2005-A1 term notes payable of $193.6 million payable at a floating rate of 
interest based on LIBOR plus 1.25% and $27.5 million Series B1 term notes payable 
at LIBOR plus 6.00%, secured by engines. The Series A1 term notes expected 
maturity is July 2018 and the Series B1 term notes expected maturity is July 2020. 

WEST Series 2005-A2 warehouse notes payable of $29.9 million payable at a floating 

rate of interest based on LIBOR plus 1.50% and $4.1 million Series 2005-B2 
warehouse notes payable at LIBOR plus 6.00%, secured by engines. The Series A2 
term notes mature approximately July 2018 and the Series B2 term notes mature 
approximately July 2020. 

Class A notes payable of $194.4 million payable at a floating rate of interest based on 

commercial paper rates plus an average weighted spread of 2.26% and $21.6 million 
Class B notes payable at LIBOR plus an average weighted spread of 5.32%. The 
facility has a revolving period which ended in March 2005, followed by a 4-year 
amortization period. We have a guarantee to Class B Note holders to a maximum of 
$21.6 million. The assets of the Issuer (WEF) and any associated Owner Trust are not 
available to satisfy the obligations of the Company or any of its affiliates. The notes 
were repaid from the WEST proceeds in August 2005. 

Notes payable at a fixed interest rate of 8.63%. Secured by aircraft engines. The note 

matures in September 2006. 

Notes payable at a fixed interest rate of 6.95% secured by aircraft. The notes matures in 

March 2008 and September 2008. 

Note payable at a fixed interest rate of 7.75% secured by aircraft. The note matures in 

December 2006. 

Note payable at a floating rate of LIBOR plus 2.05%. The note matured in June, 2005. 

Secured by aircraft engines. The note was repaid in 2005. 

Note payable at fixed interest rate of 6%. The note matured in 2005. Secured by an 

engine. The note was repaid in 2005. 

Note payable at a floating rate of LIBOR plus 1.78% maturing in 2011. Secured by an 

aircraft. The second tranche of $0.55 million was committed but unused as of 
December 31, 2004 and funded in 2005. 

221,081   

—  

33,955   

—  

—   

216,000  

1,889   

2,291  

3,913   

4,944  

1,313   

2,644  

—   

17,958  

—   

2,592  

6,714   

6,411  

Total notes payable before discount 

  $

410,365    $

369,840  

WEST Series 2005-A1 term notes discount, $3,000 at issuance, net of amortization 

(2,814 ) 

—  

Total notes payable 

  $

407,551    $

369,840  

At December 31, 2005, one-month LIBOR was 4.39% and at August 9, 2005, the commercial paper rate related to 

the previous warehouse debt facility was approximately 3.36%. At December 31, 2004, the one-month LIBOR rate was 
approximately 2.40% and the commercial paper rate was 2.21%. 

50 

 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
 
   
 
 
 
   
 
 
 
 
   
 
 
 
The fair value of our long-term debt is estimated based on quoted market prices for the same or similar issues or on 
the rates offered to us for debt of the same remaining maturities. The fair value of our debt is estimated by us to approximate 
the book value of the debt at December 31, 2005. 

Principal outstanding at December 31, 2005, is repayable as follows: 

Year 
2006 
2007 
2008 
2009 
2010 
Thereafter 

(in thousands) 

  $

  $

21,844   
161,301   
21,736   
20,132   
20,143   
165,209   
410,365  

Certain of the debt instruments above also have covenant requirements such as a minimum tangible net worth and 

interest coverage. As of December 31, 2005, we were in compliance with all covenant requirements. 

At December 31, 2005, we had a $168.0 million revolving credit facility to finance the acquisition of aircraft 

engines for lease as well as for general working capital purposes. As of December 31, 2005, $26.5 million was available 
under this facility. The revolving facility ends in May 2006 with the final amount borrowed at May 2006 due in May 2007. 
The interest rate on this facility at December 31, 2005, was 1-month LIBOR plus 2.25%. Under the revolver facility, all 
subsidiaries except WLFC-AC1 and WEST Engine Funding LLC jointly and severally guarantee payment and performance 
of the terms of the loan agreement. The maximum guarantee is $168.0 million plus any accrued and unpaid interest, fees or 
reimbursements but is limited at any given time to the sum of the principal outstanding plus accrued interest and fees. The 
guarantee would be triggered by a default under the agreement. 

On August 9, 2005, we closed an Asset-Backed Securitization through a newly created, bankruptcy remote, 
Delaware Statutory Trust, Willis Engine Securitization Trust (“WEST”). WEST issued and sold $228.3 million of term notes 
and approximately $113.6 million of warehouse notes. The warehouse notes allow for revolving borrowings during a two-
year term, after which it is expected that they will be converted to term notes of WEST. The assets and liabilities of WEST 
remained on our balance sheet at historical carrying value. The net proceeds of the term notes issued by WEST were used 
primarily to repay the obligations under our previous warehouse facility, which was terminated. As a result of this transaction 
we wrote off approximately $1.4 million of unamortized capitalized costs associated with the previous facility. 

Under our previous warehouse debt facility, Willis Engine Funding LLC (now known as West Engine Funding 

LLC) was a wholly-owned special purpose entity created in 2002 for the purpose of financing jet aircraft engines. The facility 
had a revolving period which ended March 9, 2005, followed by a four-year amortization period, during which 90% of the 
net rents from the collateral were used to pay down principal, followed by a final balloon payment. The facility’s structure 
was designed to facilitate the issuance of public or private securitized notes. The facility notes were paid off at the closing of 
the WEST securitization for $203.7 million (the amount then outstanding on the facility notes), $183.3 million Class A notes 
and $20.4 million Class B notes. 

At December 31, 2005, we had $221.1 million of WEST term notes and $34.0 million of WEST warehouse notes. 
The term notes are divided into $193.6 million Series A1 notes and $27.5 million Series B1 notes. The warehouse notes are 
divided into $29.9 million Series A2 notes and $4.1 million Series B2 notes. The assets of WEST, WEST Engine Funding 
and any associated Owner Trust are not available to satisfy the obligations of ours or any of our affiliates. WEST is 
consolidated for financial statement presentation purposes. At December 31, 2005, interest on the Series A1 notes and Series 
A2 notes is one-month LIBOR plus a margin of 1.25% and 1.50%, respectively. At December 31, 2005, interest on the Series 
B1 notes and the Series B2 notes is one-month LIBOR plus a margin of 3.00% and a supplemental margin of 3.00%, for a 
total margin of 6%. 

At December 31, 2005, we had warehouse and revolving credit facilities totaling approximately $281.6 million 

compared to $364.5 million at December 31, 2004. At December 31, 2005, and December 31, 2004, respectively, 
approximately $106.1 million and $31.5 million was available under these combined facilities. 

(6) Derivative Instruments 

We hold a number of interest rate derivative instruments to mitigate our exposure to changes in interest rates, in 
particular LIBOR, as 99% of our borrowings are at variable rates. At December 31, 2005, we were a party to interest rate 
swap agreements with notional outstanding amounts of $151.0 million, remaining terms of between 15 and 56 months and 
fixed rates of between 2.52% and 4.74%. The fair value of these swaps at December 31, 2005 and 2004, was positive $2.5 

51 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
million, and $1.4 million, respectively, and represented the estimated amount we would receive if we terminated the swaps. 
At December 31, 2005, we were also party to one interest rate cap, which has a notional amount of $10 million, remaining 
term of 4 months, with the interest rate capped at 5.0%. At December 31, 2005 and 2004, the fair value of the cap was 
approximately zero. 

We use an external provider to ascertain the fair value of the interest-rate derivative contracts as of the balance sheet 

date. Valuation of the derivative instruments requires certain assumptions for underlying variables and the use of different 
assumptions would result in a different valuation. Management believes it has applied assumptions consistently during the 
period and has not changed our method of valuation during the period. 

Prior to December 1, 2005 changes in the fair value of derivatives were recorded in earnings. The changes to the 

components of realized and unrealized (gains) and losses on derivative instruments for each of the years ended December 31, 
2005, 2004 and 2003 are shown in the following table (dollars in thousands): 

Increase (decrease) to net finance costs 
Change in fair value of derivative instruments 
Cash settlement expense 
Total realized and unrealized (gains) and losses from 

Years ended December 31, 
2004 

2005 

2003 

  $

(1,370 ) $
(219 )

(2,086 )  $
1,621   

(1,157 )
2,317  

derivative instruments 

  $

(1,589 ) $

(465 )  $

1,160  

Commencing December 1, 2005 we applied hedge accounting and accounted for the change in fair value of our cash 

flow hedges through other comprehensive income. 

Based on the implied forward rate for LIBOR at December 31, 2005, we anticipate that interest expense will be 

decreased by approximately $1.9 million for the year ending December 31, 2006 due to the interest-rate derivative contracts 
in place. 

(7) Income Taxes 

The components of income tax expense for the years ended December 31, 2005, 2004 and 2003, included in the 

accompanying consolidated statements of income were as follows: 

December 31, 2005 

Current 
Deferred 
Charges in lieu of tax 

Total 2005 

December 31, 2004 

Current 
Deferred 
Charges in lieu of tax 

Total 2004 

December 31, 2003 

Current 
Deferred 
Charges in lieu of tax 

Total 2003 

Federal 

State 
(in thousands) 

Total 

  $

  $

  $

  $

  $

  $

—    $

1,640   
171   
1,811    $

—    $

1,774   
145   
1,919    $

—    $

1,623   
3   
1,626    $

18    $

(489 )
18   
(453 ) $

23    $

476   
21   
520    $

10    $

456   
1   
467    $

18   
1,151   
189   
1,358   

23   
2,250   
166   
2,439   

10   
2,079   
4   
2,093   

52 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
   
 
  
  
   
 
 
 
 
  
  
   
 
  
  
   
 
 
 
 
  
  
   
 
  
  
   
 
 
 
The following is a reconciliation of the federal income tax expense at the statutory rate of 34% to the effective 

income tax expense: 

Statutory federal income tax 

expense 

State taxes, net of federal 

benefit 

Extraterritorial income exclusion  
Prior year adjustments 
Permanent differences and other  
Effective income tax expense   

2005 

Years ended December 31, 
2004 
(in thousands and % of pre-tax income) 

2003 

$ 

% 

$ 

% 

$ 

% 

1,881   

(240 ) 
(563 ) 
180  
100  
1,358   

34   

(4 ) 
(10 ) 
3  
2  
25   

2,693   

374   
(671 ) 
(7 ) 
50  
2,439   

34   

5   
(9 ) 
—  
1  
31   

2,443   

287   
(661 ) 
—  
24  
2,093   

34  

4  
(9 )
—  
—  
29  

In 2005, 2004, and 2003, we determined that a number of assets and their associated leases qualify for exclusion 

from federal taxable income under the Extraterritorial Income Exclusion rules, resulting in a reduction in the federal effective 
tax rate. 

In 2005, we changed our estimated apportionment of income attributable to California, due to a change in the 

composition of our revenue, resulting in an income tax benefit of $0.4 million. In addition, we have provided for a gross 
valuation allowance of $0.1 million relating to California net operating losses expiring in 2006 where management believes 
realizing the benefit of the loss carry-forward is not assured, and included in state taxes in the table above. 

The tax effects of temporary differences that give rise to significant portions of the deferred tax assets and liabilities 

are presented below: 

Deferred tax assets: 

Charitable contribution 
Unearned lease revenue 
State taxes 
Reserves and allowances 
Other accrual 
Alternative minimum tax credit 
Net operating loss carry forward 
Total gross deferred tax assets 
Less valuation allowances 
Net deferred tax assets 

Deferred tax liabilities: 

As of December 31, 

2005 

2004 

(in thousands) 

  $

40    $

1,767   
1,147   
505   
441   
335   
40,630   
44,865   
(115 ) 
44,750   

83  
1,968  
8  
309  
—  
335  
37,789  
40,492  
(115 )
40,377  

Depreciation on aircraft engines and equipment 
Deferred tax (liability)/asset related to unrealized (gain)/loss on derivative 

instruments 

Net deferred tax liabilities 

Other comprehensive income, deferred tax asset 

(72,423 ) 

(67,552 )

(1,008 ) 
(73,431 ) 

(355 )
(67,907 )

93  

—  

Net deferred tax liabilities 

  $

(28,588 )  $

(27,530 )

As of December 31, 2005, we had net operating loss carry forwards of approximately $114.0 million for federal tax 

purposes and $21.3 million for state tax purposes. The federal net operating loss carry forwards will expire at various times 
from 2019 to 2024 and the state net operating loss carry forwards will expire at various times from 2006 to 2014. However, 
in 2002, we provided for a valuation allowance against California net operating losses (NOL’s) totaling $2.0 million that 
expire in 2006 and realization is not assured. Net operating losses can be used as a deduction against future income arising 
from the U.S. consolidated filing group. As of December 31, 2005, we also had alternative minimum tax credits of 
approximately $0.3 million for federal income tax purposes which have no expiration date and which should be available to 
offset future alternative minimum tax liabilities. Management believes that no valuation allowance is required on deferred tax 

53 

 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
  
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
   
 
 
 
 
 
 
  
 
 
 
 
   
 
 
assets, other than the California NOL as stated, as it is more likely than not that all amounts are recoverable through future 
taxable income. 

(8) Risk Management Issues 

Risk Concentrations

Financial instruments which potentially subject us to concentrations of credit risk consist principally of cash 

deposits, receivables and non-payment of maintenance reserves due at lease end. 

We place our cash deposits with financial institutions and other creditworthy issuers and limits the amount of credit 
exposure to any one party. Concentrations of credit risk with respect to lease receivables are limited due to the large number 
of customers comprising our customer base, and their dispersion across different geographic areas. Some lessees are required 
to make payments for maintenance reserves at the end of the lease however, risk is considered limited due to the number of 
these lessees which have this provision in the lease. 

Interest Rate Risk Management

To mitigate exposure to interest rate changes, we have entered into interest rate swap and cap agreements. As of 

December 31, 2005, such swap agreements had notional outstanding amounts of $151.0 million, average remaining terms of 
between 15 and 56 months and average fixed rates of between 2.52% and 4.74%. One cap has a notional amount of $10.0 
million, purchased in 2005, with remaining terms of four months and rates capped at 5.0% The cash settlements on these 
derivative instrument arrangements created additional expense of $0.2 million and $1.6 million, for 2005 and 2004, 
respectively. This additional expense was included in realized and unrealized (gains) and losses on derivative instruments in 
net finance costs. For further information see Note 1(g) and Note 6. 

(9) Commitments, Contingencies, Guarantees and Indemnities 

Our principal offices are located at 2320 Marinship Way, Suite 300, Sausalito, California 94965. We occupy space 
in Sausalito under a lease that covers approximately 9,900 square feet of office space and expires December 31, 2007. The 
annual rent commitments are approximately $387,000 and $399,000 for 2006 and 2007, respectively. Equipment leasing, 
financing, sales and general administrative activities are conducted from the Sausalito location. We also sub-lease 
approximately 3,100 square feet of office and warehouse space for our operations at San Diego, California. This lease expires 
October 31, 2008, and the remaining lease commitments are approximately $94,000, $97,000 and $83,000 for 2006, 2007 
and 2008, respectively. We also lease office space in Shanghai, China. That lease expires June 30, 2006 and the remaining 
lease commitment is approximately $25,000. 

We have commitments to purchase, during 2006, three new engines for a gross purchase price of between $22.3 

million and $24.9 million depending on thrust rating elected, for delivery from January 2006 to December 2006. 

(10) Employee Benefit Plans 

Employee Stock Purchase Plan

Under our 1996 Employee Stock Purchase Plan (the “Purchase Plan”) 175,000 shares of common stock have been 
reserved for issuance. The Purchase Plan was effective in September 1996. Eligible employees may designate not more than 
10% of their cash compensation to be deducted each pay period for the purchase of common stock under the Purchase Plan. 
Participants may purchase not more than 1,000 shares or $25,000 of common stock in any one calendar year. Each January 
31 and July 31 shares of common stock are purchased with the employees’ payroll deductions from the immediately 
preceding six months at a price per share of 85% of the lesser of the market price of the common stock on the purchase date 
or the market price of the common stock on the date of entry into an offering period. In fiscal 2005 and 2004, 8,404 and 
11,262 shares of common stock, respectively were issued under the Purchase Plan. 

The weighted average per share fair value of the employee’s purchase rights under the Purchase Plan for the rights 

granted in 2005 and 2004 were $2.99 and $2.23, respectively. 

1996 Stock Option/Stock Issuance Plan

In June 1996, the Board of Directors approved the 1996 Stock Option/Stock Issuance Plan (the “Plan”). The Plan 

was amended by the Stockholders and restated in May 2003, to provide for an increase in the number of shares reserved for 
issuance under the Plan from 2,525,000 shares to 3,025,000 shares. The plan includes a Discretionary Option Grant Program, 
a Stock Issuance Program and an Automatic Option Grant Program for eligible non-employee Board members. The stock 
options vest over a period determined by the Plan Administrator (usually 4 years), have a life of up to 10 years and the 

54 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
exercise price on grant is equal to the market value of the shares on that date. 

A summary of the activity under the plan is as follows: 

Balances at December 31, 2002 
Additional options made available 

Options granted 
Options exercised 
Options canceled 

Balances at December 31, 2003 

Options granted 
Options exercised 
Options canceled 

Balance as of December 31, 2004 

Options granted 
Options exercised 
Options canceled 

Balance as of December 31, 2005 

Options Outstanding 

Options 
Available 
for Grant 

Options 

Weighted Average 
Exercise Price 

Weighted Average
Fair Value 

683,615   
500,000   
(447,210 ) 
—   
68,222   
804,627   
(25,817 ) 
—   
33,449   
812,259   
(251,763 ) 
—   
22,683   
583,179   

1,537,412    $

—   
447,210   
(3,750 ) 
(68,222 ) 
1,912,650    $
25,817   
(140,298 ) 
(33,449 ) 
1,764,720    $
251,763   
(145,129 ) 
(22,683 ) 
1,848,671    $

7.13   
—   
4.91    $
5.54   
9.85   
6.52   
5.33    $
5.01   
7.44   
6.61   
9.26    $
5.06   
5.62   
7.10   

2.84  

5.91  

5.65  

A summary of the outstanding, exercisable options and their weighted average exercise prices is as follows: 

At December 31, 2003 
At December 31, 2004 
At December 31, 2005 

Options 

1,062,934    $
1,258,711    $
1,350,369    $

Weighted 
Average 
Exercise Price 

7.63  
7.19  
7.08  

The following table summarizes information concerning outstanding and exercisable options at December 31, 2005: 

Options Outstanding 
Weighted Average
Remaining 
Contractual Life
(in years) 

Options Exercisable 

Weighted 
Average 
Exercise Price 

Number 
Outstanding 

Weighted 
Average 
Exercise Price 

6.03   $
7.17   
7.17   
4.07   
5.78   
4.50   
4.51   
9.60   
9.38   
3.91   
5.93    $

4.1004  
4.9091   
5.0100   
5.1151   
5.4000   
5.5011   
8.0697   
9.2000   
9.7685   
12.1152   
7.1021   

253,416   $
23,325   
140,549   
41,274   
283,583   
177,735   
49,920   
—   
3,654   
376,913   
1,350,369    $

4.0324  
4.9200  
5.0100  
5.1168  
5.4000  
5.5001  
7.9919  
—  
9.5000  
12.1152  
7.0802  

Number 
Outstanding 

283,718  
32,075   
289,646   
78,661   
283,583   
198,738   
61,683   
200,000   
43,654   
376,913   
1,848,671   

Exercise Prices 
From $1.30 to $4.68 
From $4.88 to $4.92 
From $5.01 to $5.01 
From $5.07 to $5.15 
From $5.40 to $5.40 
From $5.50 to $5.51 
From $6.50 to $8.50 
From $9.20 to $9.20 
From $9.50 to $9.793 
From $10.00 to $22.12 
From $1.30 to $22.12 

Employee 401(k) Plan

We adopted The Willis 401(k) Plan (the “401(k) Plan”) effective as of January 1997. The 401(k) Plan provides for 
deferred compensation as described in Section 401(k) of the Internal Revenue Code. The 401(k) Plan is a contributory plan 
available to all our full-time and part-time employees in the United States. In 2005, employees who participated in the 401(k) 
Plan could elect to defer and contribute to the 401(k) Plan up to 20% of pretax salary or wages up to $14,000 (or $18,000 for 
employees at least 50 years of age). We match employee contributions up to 50% of 8% of the employee’s salary which 
totaled $172,000 in 2005, $158,000 in 2004 and $129,000 in 2003. 

55 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 (11) Quarterly Consolidated Financial Information (Unaudited) 

The following is a summary of the unaudited quarterly results of operations for the years ended December 31, 2005, 

2004 and 2003 (in thousands, except per share data). 

Fiscal 2005 

Total revenue 
Net income (loss) 

1st Quarter 

  2nd Quarter

  3rd Quarter 

  4th Quarter 

Full Year 

  $

15,868    $
1,562   

18,040    $
963   

16,733    $
(501 ) 

19,905    $
2,153   

70,546  
4,177  

Basic earnings (loss) per common share 

Diluted earnings (loss) per common share 

Average common shares outstanding 
Diluted average common shares outstanding 

.17   

.17   

9,006   
9,401   

0.11   

0.10   

9,047   
9,471   

(0.06 ) 

(0.06 ) 

9,097   
9,097   

0.24   

0.22   

9,147   
9,601   

0.46  

0.44  

9,075  
9,515  

Fiscal 2004 
Total revenue 
Net income 

1st Quarter 

  2nd Quarter

  3rd Quarter 

  4th Quarter 

Full Year 

  $

15,086    $
502   

15,057    $
3,327   

14,684    $
(245 ) 

17,112    $
1,899   

61,939  
5,483  

Basic earnings per common share 

Diluted earnings per common share 

Average common shares outstanding 
Diluted average common shares outstanding 

0.06   

0.05   

8,856   
9,161   

0.37   

0.36   

8,908   
9,315   

(0.03 ) 

(0.03 ) 

8,959   
8,959   

0.21   

0.20   

8,975   
9,330   

0.61  

0.59  

8,925  
9,276  

Fiscal 2003 
Total revenue 
Net income 

1st Quarter 

  2nd Quarter

  3rd Quarter 

  4th Quarter 

Full Year 

  $

14,042    $
695   

15,612    $
812   

14,185    $
1,533   

16,030    $
2,053   

59,869  
5,093  

Basic earnings per common share 

Diluted earnings per common share 

Average common shares outstanding 
Diluted average common shares outstanding 

(12) Related Party and Similar Transactions 

0.08   

0.08   

8,836   
8,875   

0.09   

0.09   

8,838   
8,874   

0.17   

0.17   

8,841   
8,889   

0.23   

0.23   

8,844   
8,960   

0.58  

0.57  

8,840  
8,888  

We occasionally sell engines to and purchase materials from avioserv, the successor to a former subsidiary of ours 
and a current subsidiary of T Group America. T Group America is owned by T Group (f/k/a SR Technics Group), an entity 
that is related to FlightTechnics, LLC, which holds 14% of our common stock. We also lease office space from avioserv with 
the lease term expiring October 31, 2008. During the year ended December 31, 2004, we sold one engine to avioserv at a net 
gain of $260,000. During the year ended December 31, 2005, we consigned one engine to avioserve and no parts of the 
engine were sold. W. William Coon, Jr., one of our directors, is also a director of Flight Technics, LLC and T Group 
America. He is also Chairman of the Board of Directors of avioserv. 

Gavarnie Holding, LLC, a Delaware Limited Liability Company (“Gavarnie”) owned by Charles F. Willis, IV, 

purchased the stock of Aloha IslandAir, Inc., a Delaware Corporation, (“IslandAir”) from Aloha AirGroup, Inc. (“Aloha”) on 
May 11, 2004. Charles F. Willis, IV is our President, CEO and Chairman of the Board of Directors and owns approximately 
3% of our common stock as of December 31, 2005. IslandAir leases five DeHaviland DHC-8-100 aircraft from us, under 
non-cancelable leases which generate lease revenue of approximately $2.5 million per year and have a net book value of 
$13.9 million, for remaining periods of between one and three years. IslandAir’s obligations under four of these leases are 
guaranteed by Aloha. However, in December 2004 Aloha filed for reorganization under Chapter 11 of the Bankruptcy Code. 
With its emergence from Chapter 11 in February 2006, Aloha’s obligations under its guaranty were discharged. The five 
leases are still performing and the lessee is current on all obligations and no provisions have been made for any loss. 

We entered into a Consignment Agreement dated April 30, 2004, with Avsets.com, Inc. to sell parts from a 
disassembled engine. J.T. Power LLC (“J.T. Power”) agreed to market these parts on behalf of Avsets.com, Inc. J.T. Power is 

56 

 
 
 
 
 
 
  
  
   
   
 
 
 
 
  
  
   
   
 
 
 
 
  
  
   
   
 
 
 
 
  
  
   
   
 
 
 
 
 
 
 
 
 
  
  
   
   
 
 
 
 
  
  
   
   
 
 
 
 
  
  
   
   
 
 
 
 
 
 
 
 
 
  
  
   
   
 
 
 
 
  
  
   
   
 
 
 
 
  
  
   
   
 
 
 
 
 
 
 
an entity whose majority shareholder, Austin Willis, is the son of our President and Chief Executive Officer, and directly and 
indirectly, a shareholder of ours. There is no remaining book value for the parts consigned to Avsets.com as of December 31, 
2005 and J.T Power’s sales responsibilities have ended. 

(13) Subsequent Event 

On February 7, 2006, we completed our public offering of 3,475,000 shares of our 9.0% Series A Cumulative 

Redeemable Preferred Stock with a liquidation preference of $10 per share, or approximately $34.8 million in total. After 
underwriting commissions and expenses of issuance, we received net proceeds of approximately $32.9 million. The preferred 
stock accrues cash dividends from the date of issuance at a rate of 9.0% per annum, or approximately $260,625 per month. 
The first dividend payment date was March 15, 2006. The payment of dividends, including with respect to the Series A 
Preferred Stock, is at the discretion of our board of directors. The Series A Preferred Stock, which is a new series of our 
capital stock, is traded on the NASDAQ National Market. 

57 

 
 
 
Report of Independent Registered Public Accounting Firm

The Board of Directors 
Willis Lease Finance Corporation: 

Under date of March 30, 2006, we reported on the consolidated balance sheets of Willis Lease Finance Corporation 
and subsidiaries as of December 31, 2005 and 2004, and the related consolidated statements of income, shareholders’ equity 
and comprehensive income, and cash flows for each of the years in the three-year period ended December 31, 2005, which 
are included in the annual report on Form 10-K. In connection with our audits of the aforementioned consolidated financial 
statements, we also audited the related consolidated financial statement schedule II in the annual report on Form 10-K. This 
financial statement schedule is the responsibility of the Company’s management. Our responsibility is to express an opinion 
on the financial statement schedule based on our audits. 

In our opinion, such financial statement schedule, when considered in relation to the basic consolidated financial 

statements taken as a whole, presents fairly, in all material respects, the information set forth therein. 

/s/   KPMG LLP 
San Francisco, California 
March 30, 2006 

58 

 
 
 
 
 
 
Schedule II 
Valuation Accounts 

December 31, 2003 
Accounts receivable, allowance for 

doubtful accounts 
December 31, 2004 
Accounts receivable, allowance for 

doubtful accounts 
December 31, 2005 
Accounts receivable, allowance for 

doubtful accounts 

Willis Lease Finance Corporation 
Valuation Accounts 
(in thousands) 

Balance at 
Beginning of
period 

Additions 
Charged 
to Expense 

Recoveries 

  Deductions 

Balance at 
End of 
Period 

  $

299    $

112    $

53    $

(24 )  $

440  

440   

—   

17   

(57 ) 

400  

400   

300   

—   

(238 ) 

462  

59 

 
 
 
 
 
 
 
 
 
  
  
  
   
 
 
  
  
  
   
 
 
 
  
  
  
   
 
 
WILLIS LEASE FINANCE CORPORATION 
AND SUBSIDIARIES 

Computation of Earnings Per Share 
(in thousands, except per share amounts) 

Exhibit 11.1 

Basic 
Net income 

Shares: 
Average common shares outstanding 

Basic earnings per common share 

Assuming full dilution 
Net income 

Shares: 
Average common shares outstanding 
Potentially dilutive common shares outstanding 
Diluted average common shares outstanding 

$

$

$

2005 

Year ended December 31, 
2004 

2003 

4,177

$

5,483    $

5,093

9,075   

8,925   

8,840  

0.46

$

0.61    $

0.58

4,177

$ 

5,483    $

5,093

9,075   
440   
9,515   

8,925   
351   
9,276   

8,840  
48  
8,888  

Diluted earnings per common share 

$

0.44    $

0.59    $

0.57  

Supplemental information: 

The difference between average common shares outstanding to calculate basic and assuming full dilution is due to 

options outstanding under the 1996 Stock Options/Stock Issuance Plan and additionally in 2002, warrants issued in 
conjunction with the initial public offering. 

 
 
 
 
 
 
 
 
 
 
  
   
 
 
 
  
   
 
 
  
   
 
 
 
 
  
   
 
 
 
  
   
 
 
  
   
 
 
 
  
   
 
 
  
   
 
 
 
 
 
 
  
   
 
 
 
 
 
WILLIS LEASE FINANCE CORPORATION 
AND SUBSIDIARIES 
Statement of Computation of Ratios of 
Earnings to Fixed Charges and 
Preferred Dividends and Distributions 

(In thousands) 

2001 

Years Ended December 31, 
2003 

2002 

2004 

Exhibit 12.1 

2005 

Earnings 

Pretax income from continuing operations 

  $

Preferred dividends 
Fixed Charges 

9,111    $
—   

4,705    $
—   

7,186    $
—   

7,922    $
—   

5,535  
—  

Interest expense 
Estimated interest expense within rental expense(1)   

24,125   
160   

16,262   
173   

14,957   
171   

16,350   
165   

24,514  
181  

Total fixed charges 

24,285   

16,435   

15,128   

16,515   

24,695  

Earnings Before Fixed Charges 

$

33,396

$

21,140

$

22,314    $

24,437

$

30,230

Ratio of Earnings to Fixed Charges and Preferred 

Dividends and Distributions 

1.38   

1.29   

1.48   

1.48   

1.22  

(1)  All rental expense is derived from operating leases. There is no expressed interest expense within rental expense. Rather, 
the imputed interest expense within rental expense is calculated by multiplying by 30%, the office rent for each of the years 
ended, as indicated above. 

 
 
 
 
 
 
 
 
 
 
 
 
 
  
  
   
  
 
 
 
  
  
   
  
 
 
 
 
 
 
  
 
 
 
 
 
 
  
 
 
 
  
  
   
  
 
 
 
 
 
 
Exhibit 14.1 

STANDARDS OF ETHICAL CONDUCT 

I. 

Application 

This policy is in effect for employees of Willis Lease Finance Corporation and its subsidiaries. 

II. 

Policy 

Willis Lease Finance Corporation expects all executive officers and employees, when acting on behalf of the company, to 
maintain the highest standard of ethical conduct. 

III. 

Purpose 

The Company relies on the integrity and good judgment of its management and employees to conduct themselves in a 
manner that promotes high standards of ethical and professional conduct, as well as sound business practices. Management 
and employees must take responsibility to ensure that their actions are not only ethical and legal, but are in the best interest of 
the Company. Responsibility for compliance with this policy lies with every employee of Willis Lease Finance Corporation 
and its subsidiaries. 

Employees of Willis Lease Finance Corporation and its subsidiaries should not commit acts contrary to these standards or 
support the commission of such acts by others. A practice will not be condoned on the grounds that it is “customary,” “easy,” 
or “expedient”. If it does not meet these standards of ethical conduct, condoning such practices may compromise the integrity 
and reputation of the Company. If you are asked to act against these standards, you should decline. You are empowered to 
say something such as the following: “The Company policy doesn’t allow me to do this. Please discuss this matter further 
with...” or “I’m uncomfortable with what you’ve asked me to do and I’d like to discuss the matter with...” If you act in good 
faith, the Company will act to protect you from being disciplined or suffering reprisal for making such a statement. 
Employees are expected to assume personal responsibility and accountability for their actions by maintaining these standards. 

IV. 

Definition of Unethical Conduct 

Abuse of Power 

Wrongful use of a position of authority to influence employees or colleagues (e.g., coercion to 
participate in activities or decision making in violation of laws, regulations, or policies). 

Conflict of Commitment 

A situation in which an employee’s additional employment or other activity, whether internal or 
external to the Company, interferes with his or her performance in their current position within 
the Company. 

Conflict of Interest 

A situation in which an individual or any of his or her family has an existing or potential 
financial or other material interest that impairs or might appear to impair the individual’s 
independence and objectivity of judgment in the discharge of responsibilities to the company. A 
conflict of interest also arises when an individual evaluates the work or performance of a person 
with whom he or she is engaged in a romantic or sexual relationship. 

Financial Irregularity 

An intentional misstatement, omission, or failure to disclose information related to financial 
transactions that is detrimental to the interests of the Company, including embezzlement, fraud, 
or falsification of records to misappropriate assets. 

Fraud 

An intentional act of misrepresentation, dishonesty, trickery, or deceit (including the 
concealment or suppression of truth), designed to obtain information or assets without approval. 

Misuse of Intellectual 
Property 

Property of an intellectual nature belonging to an individual or entity, including but not limited to 
proprietary information that is protected by a patent, copyright, or non-disclosure agreement. 

Kickback 

Misconduct 

The act of accepting a payment to improperly obtain or reward with favorable treatment in 
connection with either a contract or subcontract relating to a prime contract. 

Cheating, falsification, fabrication, misappropriation, plagiarism, or other practice that seriously 
deviates from those commonly accepted as proper. 

1 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
V. 

Reporting a Violation 

Employees are expected to report violations of this policy to appropriate personnel. To report an actual or suspected 
violation: 

1)  Discuss the violation with the immediate manager, except when the manager is involved in which case discuss 

it with the person at the next managerial level. 

2) 

3) 

If you cannot address the situation in this manner, please contact the Human Resources Director, Chief 
Financial Officer, or the Chief Operating Officer. 

If the matter involves an accounting or auditing matter, you may report it, on a confidential, anonymous basis, 
to Bill LeRoy, the Chairman of the Audit Committee, c/o BDO Seidman LLP, One Sansome Street, Suite 1100, 
San Francisco, CA 94104-4430, in writing marked confidential. Employees, officers and directors may bring 
their concerns forward without fear of retribution or punishment. 

4)  Failure of a manager to report actual or possible violations may be subject of appropriate company discipline. 

VI. 

Retaliation 

The Company will not tolerate retaliation toward or harassment of employees who report actual or possible violations. The 
identity of individuals providing information concerning possible violations, including fraud, will be protected within legal 
limits. Individuals who take retaliatory action will be subject to discipline, up to and including discharge. 

VII. 

Enforcement 

Suspected violations will be investigated by Human Resources. 

VIII. 

Abuse of this Policy 

The company is committed to the protection of both the accused and the accuser in the reporting of any violations of this 
policy. Therefore, attempts by individuals to discredit others though inappropriate use of this policy are not permitted and 
will be considered for disciplinary action. 

2 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Consent of Independent Registered Public Accounting Firm 

Exhibit 23.1 

The Board of Directors 
Willis Lease Finance Corporation: 

We consent to the incorporation by reference in the registration statements (No. 333-15343, 333-48258, 33-63830 

and 333-109140) on Form S-8 of Willis Lease Finance Corporation of our reports dated March 30, 2006 related  to the 
consolidated balance sheets of Willis Lease Finance Corporation and subsidiaries as of December 31, 2005 and 2004, and the 
related consolidated statements of income, shareholders’ equity and comprehensive income, and cash flows for each of the 
years in the three-year period ended December 31, 2005 and the related financial statement schedule II, which reports appear 
in the annual report, on Form 10-K of Willis Lease Finance Corporation. 

/s/   KPMG LLP 
San Francisco, California 
March 30, 2006 

 
 
 
 
 
 
 
Exhibit 31.1 

I, Charles F. Willis IV, certify that: 

1. I have reviewed this annual report on Form 10-Kof Willis Lease Finance Corporation; 

CERTIFICATIONS

2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a 
material fact necessary to make the statements made, in light of the circumstances under which such statements were made, 
not misleading with respect to the period covered by this annual report; 

3. Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly 
present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the 
periods presented in this annual report; 

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and 
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and have: 

a) 

c) 

d) 

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be 
designed under our supervision, to ensure that material information relating to the registrant, including its 
consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in 
which this annual report is being prepared; 

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our 
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered 
by this report based such evaluations; and 

disclosed in this report any change in the registrant’s internal controls that occurred during the registrant’s most 
recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal 
control over financial reporting; and 

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over 
financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons 
performing the equivalent functions): 

a) 

b) 

all significant deficiencies and material weaknesses in the design or operation of internal controls which are 
reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial 
information; and 

any fraud, whether or not material, that involves management or other employees who have a significant role in 
the registrant’s internal control over financial reporting. 

Date:  March 30, 2006 

/s/ Charles F. Willis, IV 
Charles F. Willis, IV 
Chief Executive Officer 
President 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exhibit 31.2 

I, Robert M. Warwick, certify that: 

1. I have reviewed this annual report on Form 10-K of Willis Lease Finance Corporation; 

CERTIFICATIONS

2. Based on my knowledge, this annual report does not contain any untrue statement of a material fact or omit to state a 
material fact necessary to make the statements made, in light of the circumstances under which such statements were made, 
not misleading with respect to the period covered by this annual report; 

3. Based on my knowledge, the financial statements, and other financial information included in this annual report, fairly 
present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the 
periods presented in this annual report; 

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and 
procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrant and have: 

a) 

c) 

d) 

designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be 
designed under our supervision, to ensure that material information relating to the registrant, including its 
consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in 
which this annual report is being prepared; 

evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our 
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered 
by this report based such evaluations; and 

disclosed in this report any change in the registrant’s internal controls that occurred during the registrant’s most 
recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal 
control over financial reporting; and 

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over 
financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons 
performing the equivalent functions): 

a) 

b) 

all significant deficiencies and material weaknesses in the design or operation of internal controls which are 
reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial 
information; and 

any fraud, whether or not material, that involves management or other employees who have a significant role in 
the registrant’s internal control over financial reporting. 

Date:  March 30, 2006 

/s/ Robert M. Warwick 
Robert M. Warwick 
Chief Financial Officer 
Executive Vice President 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
CERTIFICATION PURSUANT TO 
18 U.S.C. SECTION 1350, 
AS ADOPTED PURSUANT TO 
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 

Exhibit 32 

Each of the undersigned hereby certifies, in his or her capacity as an officer of Willis Lease Finance Corporation (the 
“Company”), for purposes of 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 
that to his or her knowledge: 

•  the Annual Report of the Company on Form 10-K for the year ended December 31, 2005 fully complies with 
the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and 

•  the information contained in such report fairly presents, in all material respects, the financial condition and 
results of operation of the Company. 

Dated: March 30, 2006 

/s/ Charles F. Willis IV 

President and Chief Executive Officer 

/s/ Robert M. Warwick 

Executive Vice President and Chief Financial Officer 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Willis Lease Finance Corporation is a provider of aviation services, specializing in leasing spare commercial 

aircraft engines and other aircraft-related equipment. We provide these services to commerical airlines, 

aircraft engine manufacturers, and maintenance, repair, and overhaul facilities worldwide.

Corporate Information

Board of Directors

Investor Relations Counsel

Executive Team

Charles F. Willis, IV
President and Chief Executive Officer,
Willis Lease Finance Corporation

W. William Coon, Jr.
Chairman, Avioserv;
Director, FlightTechnics LLC
and T Group America

Glenn L. Hickerson
President, Hickerson Associates

Gérard Laviec
Former President and Chief Executive Officer,
CFM International; Former Chairman,
Shannon Engine Support

William M. LeRoy
Partner, BDO Seidman, LLP

Corporate Executive Offices

2320 Marinship Way, Suite 300 
Sausalito, California 94965
415 275-5100
415 331-0607 (fax)
www.willislease.com

Independent Registered 

Public Accountants

KPMG LLP
San Francisco, California

Transfer Agent and Registrar

American Stock Transfer 
& Trust Company
59 Maiden Lane
New York, New York 10038
800 937-5449

The Cereghino Group
5333 15th Avenue South, Suite 1500
Seattle, Washington 98108
206 762-0993

Form 10-K, 10-Q & Press Releases

Form 10-K has been filed with the Securities
|and Exchange Commission. Copies of the 
10-K, 10-Q and press releases may be obtained
from the investor relations area of our web site,
www.willislease.com, or by contacting our 
corporate offices. Press releases are also 
available at The Cereghino Group web site,
www.stockvalues.com.

Stock Exchange Listing

Willis Lease Finance Corporation is listed on 
the Nasdaq National Market System under 
the symbols: WLFC and WLFCP. 

Annual Meeting

The Annual Meeting of shareholders will be held
on Thursday, May 25, 2006, at 2:00 p.m. at the
Company’s headquarters at 2320 Marinship Way,
Suite 300, Sausalito, CA 94965. All shareholders
are cordially invited to attend.

Stock Information

2005

2004

High

Low

High

Low

Q1

Q2

Q3

Q4

$8.98

$7.30

$8.97

$6.43

9.00

7.59

9.40

8.00

10.84

7.96

8.99

6.59

10.24

6.70

9.00

7.50

Charles F. Willis, IV
President and
Chief Executive Officer

Donald A. Nunemaker
Executive Vice President and
Chief Operating Officer

Robert M. Warwick
Executive Vice President and
Chief Financial Officer

Thomas E. MacAleavey
Senior Vice President,
Sales and Marketing

Thomas C. Nord
Senior Vice President and
General Counsel

Steve Oldenburg
Senior Vice President,
Sales–Asia

Judith M. Webber
Senior Vice President,
Technical Services

10-Year Lease Portfolio Growth

(in millions)

t
n
e
m
t
s
e
v
n
I

I

R
A
S

S
B
A

g
n
i
r
e
f
f

O

y
t
i
u
q
E

n
o
-
w
o
l
l
o
F

$600

$500

$400

$300

$200

O
P
I

$100

96

97

98

99

00

01

02

03

04

05

Strategic Financing Events

1996: Initial Public Offering

1997: Follow-on Equity Offering

2000: SAIR Group Equity Investment

2005: Asset-Backed Securitization 

2006: Preferred Stock Offering

 
 
WL_ar_cover.prod.pcg.qxd  4/19/06  3:40 PM  Page 1

Willis Lease Finance Corporation

2005 Annual Report

Willis Lease Finance Corporation 
2320 Marinship Way, Suite 300
Sausalito, CA 94965 
USA 

Tel: 415 275-5100 
Fax: 415 331-0607 
info@willislease.com
www.willislease.com

Power to Spare—Worldwide