Part I. Financial Information

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Exhibit 4.1

THIRD SUPPLEMENTAL INDENTURE

         THIRD SUPPLEMENTAL INDENTURE, dated as of September 26, 2001 (this “Supplement”), between International Lease Finance Corporation, a corporation duly organized and existing under the laws of the State of California (hereinafter called the “Company”), and U.S. Bank Trust, National Association, as Trustee (hereinafter called the “Trustee”).

RECITALS OF THE COMPANY

         The Company has heretofore executed and delivered an Indenture, dated as of November 1, 1991, as amended (hereinafter called the “Indenture”) with the Trustee, as successor to Continental Bank, National Association providing, among other things, for the issuance from time to time of the Company’s unsecured debentures, notes or other evidences of indebtedness in one or more series.

         Pursuant to the terms of the Indenture, an Officers’ Certificate dated March 10, 1998 (the “Officers’ Certificate”) and instructions from a Designated Person of the Company in connection with the Notes (as defined below), Medium-Term Notes, Series J, due October 16, 2006 in the aggregate principal amount of $100,000,000 (the “Notes’) were issued on September 11, 1998.

         Pursuant to Section 902 of the Indenture, the Holders of the Notes have consented and agreed to certain changes to the terms of the Notes.

         It is deemed advisable and appropriate that the terms of the Notes be amended to reflect the changes consented and agreed to by the Holders of the Notes.

         All things necessary to make this Supplement a valid agreement of the Company, in accordance with its terms, have been done.

         NOW, THEREFORE, THIS SUPPLEMENT WITNESSETH:

         For and in consideration of the premises, it is mutually covenanted and agreed, for the equal and proportionate benefit of the Holders of the Notes only, as follows:

         1. The terms used in this Supplement and defined in the Indenture, Officers’ Certificate or Instructions shall have the meanings assigned to them in the Indenture, Officers’ Certificate or Instructions, as the case may be.

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         2.     The terms of the Notes are hereby amended as follows:

         3.     The Trustee assumes no duties, responsibilities or liabilities by reason of this Supplement other than as set forth in the Indenture, and this Supplement is executed and accepted by the Trustee subject to all terms and conditions of its acceptance of the Trust under the Indenture, as fully as if said conditions were hereby set forth at length. The Trustee assumes no responsibility or liability for the recitals of the Company set forth in this Supplement.

         4.     As amended and modified by this Supplement, the Indenture, Officers’ Certificate and Instructions are in all respects ratified and confirmed.

         5.     This Supplement may be executed in any number of counterparts, each one of which shall be an original, and all of which together constitute but one and the same instrument.

         6.     Trustee hereby accepts the modification of the Indenture, Officers’ Certificate and Instructions hereby effected and the trust in this Supplement declared and provided, upon the terms and conditions hereinabove set forth.

         7. The Company hereby represents that its decision to amend the terms of the Notes was made prior to September 10, 2001 and not motivated by considerations in respect of any material event related to its creditworthiness.

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         IN WITNESS WHEREOF, the parties hereto have caused this Supplement to be executed, and their respective corporate seals to be hereunto affixed and attested, all as of the day and year first above written.

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ADDITIONAL TERMS

Interest Rates

         During the period commencing with the Original Issue Date to but excluding October 15, 2003, the Notes will bear interest at a rate of 5.335% per annum and interest will be computed and paid on the basis of a 360-day year of twelve 30-day months.

         If the Calculation Agent has not given the Put Notice (as defined below) or the Company has not repurchased the Notes (see “Reset of Interest Rate for Second Fixed Rate Period” below), then during the period from and including October 15, 2003 to the Maturity Date, the Notes will bear interest at a fixed rate calculated as described below (see “Reset of Interest Rate for Second Fixed Rate Period” below).

Put Option

         The Calculation Agent has the right to require the Company to repurchase all (but not less than all) of the Notes on October 15, 2003 at a purchase price equal to 100% of the principal amount thereof, plus accrued but unpaid interest to but excluding October 15, 2003 (the “Redemption Price”), by delivering written notice thereof to the Company on behalf of all (but not fewer than all) holders of the Notes (the “Put Notice”). Such Put Notice shall be given no later than 9:00 a.m. (New York time) on October 8, 2003. The Calculation Agent shall give the Put Notice if the holders of a majority in principal amount of the Notes request the Calculation Agent to give the Put Notice, in which event the Put Notice shall be binding on all Noteholders; the Calculation Agent shall not give the Put Notice absent such request of the holders of a majority in principal amount of the Notes. In the event the Put Notice is timely given, the Company shall repurchase the Notes at the Redemption Price on October 15, 2003.

If required by the Calculation Agent, each holder shall indicate its election to have the Calculation Agent deliver the Put Notice to the Company by delivering written notice of such election to the Calculation Agent by no later than 12:00 noon (New York time) on October 6, 2003.

Reset of Interest Rate for Second Fixed Rate Period

         If the Calculation Agent has not delivered the Put Notice to the Company in accordance with the terms set forth under “Put Option” above, the Company and the Calculation Agent, on October 8, 2003, shall undertake the following actions to calculate the fixed rate of interest to be paid on the Notes during the period from and including October 15, 2003 to the Maturity Date. All references to specific hours are references to prevailing New York time. Each notice, bid or offer (including those given by the Reference Dealers [as defined below]) shall be given telephonically and shall be confirmed as soon as possible by facsimile to each of the Calculation Agent and the Company. The times set forth below are guidelines for action by the Company and the Calculation Agent, and each shall use its best efforts to adhere to such times. The Company shall use its best efforts to cause the Reference Dealers to take all actions contemplated below in as timely a manner as possible.

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A holder shall indicate its election to sell its Note to, and purchase Designated Treasury Bonds from, the Final Dealer or Final Dealers (as defined below) in accordance with the terms set forth in paragraph (e) below by notifying the Calculation Agent of such election by no later than 9:15 a.m. (New York time) on October 8, 2003. If the Calculation Agent has not received written election for the sale of at least $25,000,000 aggregate principal amount of the Notes to the Final Dealer or Final Dealers, the Calculation Agent shall select pro rata from all holders Notes in a principal amount that, when aggregated with the principal amount of Notes for which the Calculation Agent has received a written election to sell, will total $25,000,000, and shall immediately notify such holders of such selection. The holders of such randomly selected Notes shall sell their Notes to, and purchase Designated Treasury Bonds from, the Final Dealer or Final Dealers in accordance with the terms set forth in paragraph (e) below.

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         If the Calculation Agent determines that (i) a Market Disruption Event (as defined below) has occurred or (ii) two or more of the Reference Dealers have failed to provide indicative or firm bids or offers in a timely manner substantially as provided above, the steps contemplated above shall be delayed until the next trading day on which there is no Market Disruption Event and no

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such failure by two or more Reference Dealers. “Market Disruption Event” shall mean any of the following: (i) a suspension or material limitation in trading in securities generally on the New York Stock Exchange or the establishment of minimum prices on such exchange: (ii) a general moratorium on commercial banking activities declared by either federal or New York State authorities; (iii) any material adverse change in the existing financial, political or economic conditions in the United States or America or elsewhere; (iv) an outbreak or escalation of major hostilities involving the United States of America or the declaration of a national emergency or war by the United States of America; or (v) any material disruption of the U.S. government securities market, U.S. corporate bond market and/or U.S. federal wire system.

Business Day

         If any action is required or permitted to be taken pursuant to these Additional Terms on a day that is not a Business Day, such action shall be required or permitted to be taken on the next succeeding day that is a Business Day.

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