Document:

Agreement  for
Offering Expenses

  

  I, Engchoon Peh agree to pay for any
offering expenses on behalf of the Company, Road Marshall, Inc. in relation to the filing of this Registration Statement so
long as it is financially feasible for me to do so. If at any time my own financial position should suffer I will not be held
legally responsible for any of the aforementioned  expenses relating to this offering. At this time however, I have
every intention of covering such expenses. 

 

/s/ Engchoon Peh

Engchoon Peh,EX-4.2

 Exhibit 4.2 

Execution Version 

TRUST SUPPLEMENT NO. 2016-1AA 

Dated as of January 19, 2016 

between 
 AMERICAN AIRLINES, INC.,

 and 
 WILMINGTON TRUST
COMPANY, 
 as Trustee, 
 to

 PASS THROUGH TRUST AGREEMENT 

Dated as of September 16, 2014 

American Airlines Pass Through Trust 2016-1AA 

American Airlines Pass Through Certificates, Series 2016-1AA 

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 TABLE OF CONTENTS 

 

									
	 	 	 	  	 	  	Page	 
		
	ARTICLE I DEFINITIONS	  	 	2	  
		 	Section 1.01	  	Definitions	  	 	2	  
		
	ARTICLE II DECLARATION OF TRUST	  	 	9	  
		 	Section 2.01	  	Declaration of Trust	  	 	9	  
		 	Section 2.02	  	Permitted Activities	  	 	9	  
		
	ARTICLE III THE CERTIFICATES	  	 	9	  
		 	Section 3.01	  	The Certificates	  	 	9	  
		 	Section 3.02	  	Terms and Conditions	  	 	9	  
		
	ARTICLE IV ISSUANCE AND TRANSFER OF THE CLASS AA CERTIFICATES	  	 	11	  
		 	Section 4.01	  	Issuance of Class AA Certificates	  	 	11	  
		 	Section 4.02	  	Legends	  	 	12	  
		 	Section 4.03	  	Book-Entry Provisions for Global Certificates	  	 	12	  
		
	ARTICLE V DISTRIBUTION; STATEMENTS TO CERTIFICATEHOLDERS	  	 	14	  
		 	Section 5.01	  	Statements to Certificateholders	  	 	14	  
		
	ARTICLE VI DEFAULT	  	 	15	  
		 	Section 6.01	  	Purchase Rights of Certificateholders	  	 	15	  
		
	ARTICLE VII THE TRUSTEE	  	 	18	  
		 	Section 7.01	  	Delivery of Documents; Delivery Dates	  	 	18	  
		 	Section 7.02	  	[Reserved]	  	 	19	  
		 	Section 7.03	  	The Trustee	  	 	19	  
		 	Section 7.04	  	Representations and Warranties of the Trustee	  	 	20	  
		 	Section 7.05	  	Trustee Liens	  	 	21	  
		
	ARTICLE VIII ADDITIONAL AMENDMENT; SUPPLEMENTAL AGREEMENTS	  	 	21	  
		 	Section 8.01	  	Amendment of Section 5.02 of the Basic Agreement	  	 	21	  
		 	Section 8.02	  	Supplemental Agreements Without Consent of Class AA Certificateholders	  	 	21	  
		 	Section 8.03	  	Supplemental Agreements with Consent of Class AA Certificateholders	  	 	22	  
		 	Section 8.04	  	Consent of Holders of Certificates Issued under Other Trusts	  	 	22	  
		
	ARTICLE IX MISCELLANEOUS PROVISIONS	  	 	22	  
		 	Section 9.01	  	Final Termination Date	  	 	22	  
		 	Section 9.02	  	Basic Agreement Ratified	  	 	23	  
		 	Section 9.03	  	Governing Law	  	 	23	  
		 	Section 9.04	  	Counterparts	  	 	23	  
		 	Section 9.05	  	Intention of Parties	  	 	23	  
		 	Section 9.06	  	Submission to Jurisdiction	  	 	23	  

  

					
		  	i	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 EXHIBITS 
  

					
	Exhibit A	  	-	    	Form of Certificate
	Exhibit B	  	-	    	DTC Letter of Representations

  

					
		  	ii	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 TRUST SUPPLEMENT NO. 2016-1AA 

This TRUST SUPPLEMENT NO. 2016-1AA, dated as of January 19, 2016 (as amended from time to time, the “Trust
Supplement”), between AMERICAN AIRLINES, INC., a Delaware corporation (together with any successor in interest pursuant to Section 5.02 of the Basic Agreement, the “Company” or “American”) and
WILMINGTON TRUST COMPANY, a Delaware trust company, not in its individual capacity but solely as trustee (together with any successor in interest and any successor or other trustee appointed as provided in the Basic Agreement, the
“Trustee”) under the Pass Through Trust Agreement, dated as of September 16, 2014, between the Company and Wilmington Trust Company, a Delaware trust company (the “Basic Agreement”). 

W I T N E S S E T H: 

WHEREAS, the Basic Agreement, which is unlimited as to the aggregate face amount of Certificates that may be issued and authenticated
thereunder, has heretofore been executed and delivered; 
 WHEREAS, the Company owns the 22 aircraft described in Schedule I to the NPA (the
“Aircraft” and each, an “Aircraft”); 
 WHEREAS, pursuant to the Indenture with respect to each Aircraft,
American will issue on a recourse basis a Series AA Equipment Note, a Series A Equipment Note and a Series B Equipment Note, in each case, secured by, among other things, such Aircraft; 

WHEREAS, the Trustee shall hereby declare the creation of the Class AA Trust (as defined below) for the benefit of Holders of the Class AA
Certificates (as defined below) to be issued in respect of such Class AA Trust, and the initial Holders of the Class AA Certificates, as grantors of such Class AA Trust, by their respective acceptances of the Class AA Certificates, shall join
in the creation of the Class AA Trust with the Trustee; 
 WHEREAS, all Certificates to be issued by the Class AA Trust will evidence
Fractional Undivided Interests in the Class AA Trust and will have no rights, benefits or interests in respect of any other separate Trust or the property held therein; 

WHEREAS, pursuant to the terms and conditions of the Basic Agreement, as supplemented by this Trust Supplement, the NPA and the Participation
Agreements, the Trustee on behalf of the Class AA Trust shall on the Issuance Date purchase the Series AA Equipment Notes issued by the Company pursuant to the Indentures relating to the Aircraft having the identical interest rate as, and final
maturity dates not later than the final expected Regular Distribution Date of, the Class AA Certificates issued hereunder and shall hold such Series AA Equipment Notes in trust for the benefit of the Class AA Certificateholders; 

WHEREAS, pursuant to the terms and conditions of the Intercreditor Agreement referred to in Section 3.02(i) hereof, the Trustee
and the other parties thereto will agree to the terms of subordination set forth therein; 

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 WHEREAS, all of the conditions and requirements necessary to make this Trust Supplement, when
duly executed and delivered, a valid, binding and legal instrument in accordance with its terms and for the purposes herein expressed, have been done, performed and fulfilled, and the execution and delivery of this Trust Supplement in the form and
with the terms hereof have been in all respects duly authorized; 
 WHEREAS, the Basic Agreement, as supplemented by this Trust Supplement,
is subject to the provisions of the Trust Indenture Act and shall, to the extent applicable, be governed by such provisions; 
 NOW,
THEREFORE, in consideration of the mutual agreements herein contained, and of other good and valuable consideration the receipt and adequacy of which are hereby acknowledged, the parties hereto agree as follows: 

ARTICLE I 
 DEFINITIONS

 Section 1.01 Definitions. Unless otherwise specified herein or the context otherwise requires, capitalized terms used but
not defined herein, including in the recitals hereto, shall have the respective meanings set forth, and shall be construed and interpreted in the manner described, in the Basic Agreement. As used herein, the term “Agreement” shall
mean the Basic Agreement, as supplemented by this Trust Supplement. For all purposes of the Basic Agreement as supplemented by this Trust Supplement, the following capitalized terms have the following meanings (any term used herein which is defined
in both this Trust Supplement and the Basic Agreement shall have the meaning assigned thereto in this Trust Supplement for purposes of the Basic Agreement as supplemented by this Trust Supplement). 

Additional Certificateholder: Has the meaning specified in the Intercreditor Agreement. 

Additional Certificates: Has the meaning specified in the Intercreditor Agreement. 

Additional Equipment Note: Has the meaning specified in the Intercreditor Agreement. 

Additional Trust: Has the meaning specified in the Intercreditor Agreement. 

Additional Trust Agreement: Has the meaning specified in the Intercreditor Agreement. 

Additional Trustee: Has the meaning specified in the Intercreditor Agreement. 

Affiliate: Has the meaning specified in the Intercreditor Agreement. 

Agreement: Has the meaning specified in the first paragraph of Section 1.01 of this Trust Supplement. 

  

					
		  	2	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Aircraft: Has the meaning specified in the preamble to this Trust
Supplement. 
 American: Has the meaning specified in the preamble to this Trust Supplement. 

Applicable Participation Agreement: Has the meaning specified in Section 7.01(b) of this Trust Supplement.

 Basic Agreement: Has the meaning specified in the preamble to this Trust Supplement. 

Business Day: Has the meaning specified in the Intercreditor Agreement. 

Certificate: Means a Class AA Certificate, a Class A Certificate or a Class B Certificate, as applicable. 

Certificate Buy-Out Event: Has the meaning specified in the Intercreditor Agreement. 

Certificateholder: Means, with respect to any Class of Certificates, the Person in whose name a Certificate is
registered in the Register for the Certificates of such Class. 
 Class: Has the meaning specified in the
Intercreditor Agreement. 
 Class A Certificateholder: Has the meaning specified in the Intercreditor Agreement.

 Class A Certificates: Has the meaning specified in the Intercreditor Agreement. 

Class A Liquidity Facility: Has the meaning specified in the Intercreditor Agreement. 

Class A Liquidity Provider: Has the meaning specified in the Intercreditor Agreement. 

Class A Trust: Has the meaning specified in the Intercreditor Agreement. 

Class A Trust Agreement: Has the meaning specified in the Intercreditor Agreement. 

Class A Trustee: Has the meaning specified in the Intercreditor Agreement. 

Class AA Certificateholder: Means, at any time, any Certificateholder of one or more Class AA Certificates. 

Class AA Certificates: Has the meaning specified in Section 3.01 of this Trust Supplement. 

Class AA Liquidity Facility: Has the meaning specified in the Intercreditor Agreement. 

  

					
		  	3	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Class AA Liquidity Provider: Has the meaning specified in the
Intercreditor Agreement. 
 Class AA Trust: Has the meaning specified in Section 2.01 of this Trust Supplement.

 Class B Certificateholder: Has the meaning specified in the Intercreditor Agreement. 

Class B Certificates: Has the meaning specified in the Intercreditor Agreement. 

Class B Liquidity Provider: Has the meaning specified in the Intercreditor Agreement. 

Class B Trust: Has the meaning specified in the Intercreditor Agreement. 

Class B Trust Agreement: Has the meaning specified in the Intercreditor Agreement. 

Class B Trustee: Has the meaning specified in the Intercreditor Agreement. 

Code: Means the Internal Revenue Code of 1986, as amended. 

Company: Has the meaning specified in the preamble to this Trust Supplement. 

Corporate Trust Office: Has the meaning specified in the Intercreditor Agreement. 

Definitive Certificates: Has the meaning specified in Section 4.01(e) of this Trust Supplement. 

Distribution Date: Means a Regular Distribution Date or a Special Distribution Date. 

DTC: Has the meaning specified in Section 3.02(f) of this Trust Supplement. 

DTC Participants: Has the meaning specified in Section 4.01(b) of this Trust Supplement. 

Equipment Notes: Has the meaning specified in the Intercreditor Agreement. 

ERISA: Means the Employee Retirement Income Security Act of 1974, as amended. 

Event of Default: With respect to any Indenture, has the meaning specified in Section 4.01 of such Indenture. 

Fractional Undivided Interests: Has the meaning specified in the Intercreditor Agreement. 

  

					
		  	4	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Global Certificate: Has the meaning specified in
Section 4.01(b) of this Trust Supplement. 
 Holder: Means a Certificateholder. 

Indenture: Has the meaning specified in the Intercreditor Agreement. 

Indirect Participants: Has the meaning specified in Section 4.01(b) of this Trust Supplement. 

Intercreditor Agreement: Has the meaning specified in Section 3.02(i) of this Trust Supplement. 

Issuance Date: Has the meaning specified in Section 7.01(a) of this Trust Supplement. 

Liquidity Provider: Has the meaning specified in the Intercreditor Agreement. 

Loan Trustee: Means, with respect to any Indenture, the bank, trust company or other financial institution designated as
loan trustee thereunder, and any successor to such loan trustee. 
 Note Documents: Means, collectively, the
Participation Agreements, the Indentures, each Indenture Supplement (as defined in any Indenture), each Manufacturer’s Consent (as defined in any Indenture) and the Equipment Notes. 

NPA: Means the Note Purchase Agreement, dated as of the date hereof, among the Trustee, the Class A Trustee, the
Class B Trustee, the Company and the Subordination Agent, providing for, among other things, the purchase of Series AA Equipment Notes by the Trustee on behalf of the Class AA Trust, as the same may be amended, supplemented or otherwise
modified from time to time, in accordance with its terms. 
 Officer’s Certificate: Means a certificate signed,
(a) in the case of the Company or the Parent, by the Chairman or Vice Chairman of the Board of Directors, the President, any Executive Vice President, any Senior Vice President, any Vice President, Treasurer or Assistant Treasurer of the
Company or the Parent, as the case may be, or (b) in the case of the Trustee or the Loan Trustee, a Responsible Officer of the Trustee or such Loan Trustee, as the case may be. 

Operative Agreements: Has the meaning specified in the Intercreditor Agreement. 

Other Agreements: Means (i) the Class A Trust Agreement, (ii) the Class B Trust Agreement, (iii) the
Basic Agreement as supplemented by a Trust Supplement (as defined in the Basic Agreement) relating to any Additional Trust and (iv) the Basic Agreement as supplemented by a Trust Supplement (as defined in the Basic Agreement) relating to any
Refinancing Trust. 

  

					
		  	5	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Other Trustees: Means the trustees under the Other Agreements, and any
successor or other trustee appointed as provided therein. 
 Other Trusts: Means the Class A Trust, the Class B
Trust, any Additional Trust or Trusts, or any Refinancing Trust or Trusts, in each case created by the applicable Other Agreement. 

Parent: Means American Airlines Group Inc., a Delaware corporation and parent of American (together with its successors
and assigns). 
 Participation Agreement: Has the meaning specified in the Intercreditor Agreement. 

Paying Agent: Means, with respect to the Class AA Certificates, the paying agent maintained and appointed for such
Class AA Certificates pursuant to Section 7.12 of the Basic Agreement. 
 Person: Means any individual,
corporation, limited liability company, partnership, joint venture, association, joint-stock company, trust, trustee, unincorporated organization or government or any agency or political subdivision thereof. 

Plan: Means a retirement plan or other employee benefit plan or arrangement, including for this purpose an individual
retirement account, annuity or Keogh plan, that is subject to Title I of ERISA or Section 4975 of the Code, or such a plan or arrangement which is a foreign, church or governmental plan or arrangement exempt from Title I of ERISA and
Section 4975 of the Code but subject to a Similar Law. 
 Pool Balance: Means, as of any date, (i) the
original aggregate face amount of the Class AA Certificates less (ii) the aggregate amount of all distributions made as of such date in respect of the Class AA Certificates other than distributions made in respect of interest or Premium or
reimbursement of any costs or expenses incurred in connection therewith. The Pool Balance as of any date shall be computed after giving effect to any distribution with respect to the payment of principal, if any, of the Series AA Equipment Notes or
payment with respect to other Trust Property and the distribution thereof to be made on such date. 
 Pool Factor:
Means, as of any Distribution Date, the quotient (rounded to the seventh decimal place) computed by dividing (i) the Pool Balance by (ii) the original aggregate face amount of the Class AA Certificates. The Pool Factor as of any
Distribution Date shall be computed after giving effect to any distribution with respect to the payment of principal, if any, of the Series AA Equipment Notes or payment with respect to other Trust Property and the distribution thereof to be made on
that date. 
 Premium: Has the meaning specified in the Intercreditor Agreement. 

Prospectus Supplement: Means the final Prospectus Supplement, dated January 12, 2016, relating to the offering of
the Certificates. 

  

					
		  	6	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Rating Agencies: Has the meaning specified in the Intercreditor Agreement.

 Refinancing Certificateholders: Has the meaning specified in the Intercreditor
Agreement. 
 Refinancing Certificates: Has the meaning specified in the Intercreditor Agreement. 

Refinancing Equipment Notes: Has the meaning specified in the Intercreditor Agreement. 

Refinancing Trust: Has the meaning specified in the Intercreditor Agreement. 

Refinancing Trust Agreement: Has the meaning specified in the Intercreditor Agreement. 

Register: Has the meaning specified in the Intercreditor Agreement. 

Registrar: Has the meaning specified in the Basic Agreement. 

Regular Distribution Date: Has the meaning specified in Section 3.02(c) of this Trust Supplement. 

Replacement Liquidity Facility: Has the meaning specified in the Intercreditor Agreement. 

Replacement Liquidity Provider: Has the meaning specified in the Intercreditor Agreement. 

Responsible Officer: Has the meaning specified in the Intercreditor Agreement. 

Scheduled Payment: Has the meaning specified in the Intercreditor Agreement. 

Series A Equipment Notes: Has the meaning specified in the Intercreditor Agreement. 

Series AA Equipment Notes: Has the meaning specified in the Intercreditor Agreement. 

Series B Equipment Notes: Has the meaning specified in the Intercreditor Agreement. 

Similar Law: Means a foreign, federal, state, or local law which is substantially similar to the prohibited transaction
provisions of Title I of ERISA or Section 4975 of the Code. 
 Special Distribution Date: Means, with respect to
the Class AA Certificates, each date on which a Special Payment is to be distributed as specified in this Agreement. 

  

					
		  	7	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Special Payment: Means any payment (other than a Scheduled Payment) in
respect of, or any proceeds of, any Equipment Note or the Collateral (as defined in any Indenture). 
 Special Payments
Account: Means, with respect to the Class AA Certificates, the account or accounts created and maintained for such series pursuant to Section 4.01(b) of the Basic Agreement (as modified by Section 7.01(c) of this Trust
Supplement) and this Trust Supplement. 
 Subordination Agent: Has the meaning specified in the Intercreditor
Agreement. 
 Triggering Event: Has the meaning specified in the Intercreditor Agreement. 

Trust: Means the Class AA Trust, the Class A Trust or the Class B Trust, as applicable. 

Trustee: Has the meaning specified in the preamble to this Trust Supplement. 

Trust Indenture Act: Means the Trust Indenture Act of 1939, as amended. 

Trust Property: Means (i) subject to the Intercreditor Agreement, the Series AA Equipment Notes held as the
property of the Class AA Trust, all monies at any time paid thereon and all monies due and to become due thereunder, (ii) funds from time to time deposited in the Certificate Account and the Special Payments Account and, subject to the
Intercreditor Agreement, any proceeds from the sale by the Trustee pursuant to Article VI of the Basic Agreement of any Equipment Notes and (iii) all rights of the Class AA Trust and the Trustee, on behalf of the Class AA Trust, under the
Intercreditor Agreement, the NPA and the Class AA Liquidity Facility, including, without limitation, all rights to receive certain payments thereunder, and all monies paid to the Trustee on behalf of the Class AA Trust pursuant to the
Intercreditor Agreement or the Class AA Liquidity Facility. 
 Trust Supplement: Has the meaning specified in the
preamble hereto. 
 Underwriters: Means Goldman, Sachs & Co., Citigroup Global Markets Inc., Credit Suisse
Securities (USA) LLC, Deutsche Bank Securities Inc., Morgan Stanley & Co. LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated, Barclays Capital Inc., BNP Paribas Securities Corp., Credit Agricole Securities (USA) Inc., J.P.
Morgan Securities LLC and U.S. Bancorp Investments, Inc. 
 Underwriting Agreement: Means the Underwriting Agreement,
dated January 12, 2016, between the Company and Goldman, Sachs & Co., as representative of the Underwriters, as the same may be amended, supplemented or otherwise modified from time to time in accordance with its terms. 

  

					
		  	8	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 ARTICLE II 

DECLARATION OF TRUST 

Section 2.01 Declaration of Trust. The Trustee hereby declares the creation of a Trust, designated the “American Airlines
Pass Through Trust 2016-1AA” (the “Class AA Trust”), for the benefit of the Holders of the Class AA Certificates to be issued in respect of such Class AA Trust, and the initial Holders of the Class AA Certificates, as grantors
of such Class AA Trust, by their respective acceptances of the Class AA Certificates, join in the creation of such Class AA Trust with the Trustee. The Trustee, by the execution and delivery of this Trust Supplement, acknowledges its acceptance of
all right, title and interest in and to the Trust Property to be acquired pursuant to Section 7.01(b) of this Trust Supplement, the NPA and the Participation Agreements and the Trustee will hold such right, title and interest for the
benefit of all present and future Holders of the Class AA Certificates, upon the trusts set forth in the Basic Agreement and this Trust Supplement. The provisions of this Section 2.01 supersede and replace the provisions of
Section 2.03 of the Basic Agreement with respect to the Class AA Trust. 
 Section 2.02 Permitted Activities. The Class AA
Trust may engage only in the transactions contemplated by the Operative Agreements, subject to Section 9.05 of this Trust Supplement. 

ARTICLE III 
 THE
CERTIFICATES 
 Section 3.01 The Certificates. There is hereby created a series of Certificates to be issued under this
Agreement designated as “American Airlines Pass Through Certificates, Series 2016-1AA” (the “Class AA Certificates”). Each Class AA Certificate represents a Fractional Undivided Interest in the Class AA Trust created
hereby. The Class AA Certificates shall be the only instruments evidencing a Fractional Undivided Interest in the Class AA Trust. The Class AA Certificates do not represent indebtedness of the Class AA Trust, and references herein to interest
accruing on the Class AA Certificates are included for purposes of computation only. 
 Section 3.02 Terms and Conditions. The
terms and conditions applicable to the Class AA Certificates and the Class AA Trust are as follows: 
 (a) The aggregate face amount of the
Class AA Certificates that may be authenticated and delivered under this Agreement (except for Class AA Certificates authenticated and delivered upon registration of transfer of, or in exchange for, or in lieu of, other Class AA Certificates
pursuant to Sections 3.03, 3.04, 3.05 and 3.06 of the Basic Agreement and Section 4.03 of this Trust Supplement) is $584,374,000. 

(b) [reserved] 
 (c) The
distribution dates with respect to any payment of Scheduled Payments (each such distribution date, a “Regular Distribution Date”) shall be each January 15 and each July 15, commencing on July 15, 2016, until payment
of all of the Scheduled Payments to be 

  

					
		  	9	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 
made under the Equipment Notes has been made; provided, however, that, if any such day shall not be a Business Day, the related distribution shall be made on the next succeeding
Business Day without additional interest. 
 (d) The Special Distribution Date with respect to the Class AA Certificates means any Business
Day on which a Special Payment is to be distributed pursuant to this Agreement. 
 (e) [reserved] 

(f) The Class AA Certificates shall be in the form attached hereto as Exhibit A, shall be Book-Entry Certificates (subject to
Section 3.05(d) of the Basic Agreement and Section 4.03 of this Trust Supplement), and shall be subject to the conditions set forth in the Letter of Representations between the Class AA Trust and The Depository Trust Company and any
successor agency thereto (“DTC”), as initial Clearing Agency, attached hereto as Exhibit B. 
 (g) The proceeds of the
offering of Class AA Certificates issued by the Class AA Trust shall be used in accordance with the NPA to acquire on the date hereof the Series AA Equipment Notes to be issued on the date hereof pursuant to the NPA that relate to the Aircraft. 

(h) Any Person acquiring or accepting a Class AA Certificate or an interest therein will, by such acquisition or acceptance, be deemed to
(i) represent and warrant to the Company, the Loan Trustees and the Trustee that either (A) no assets of a Plan or any trust established with respect to a Plan have been used to purchase or hold Class AA Certificates or an interest therein
or (B) the purchase and holding of Class AA Certificates or interests therein by such Person is exempt from the prohibited transaction restrictions of ERISA and the Code or provisions of Similar Law pursuant to one or more prohibited
transaction statutory or administrative exemptions or similar exemptions under Similar Law, and (ii) direct the Trustee to invest the assets held in the Trust pursuant to, and take all other actions contemplated by, the terms and conditions of
the Basic Agreement, this Trust Supplement, the Intercreditor Agreement, the NPA, and each Participation Agreement. 
 (i) The Class AA
Certificates will be subject to the following Intercreditor Agreement (and to the extent the terms thereof (including the definitions of defined terms) are inconsistent with the terms of this Agreement, such Intercreditor Agreement shall control):
that certain Intercreditor Agreement (2016-1), dated as of the date hereof, among Wilmington Trust Company, as Trustee, Class A Trustee and Class B Trustee, KfW IPEX-Bank GmbH, as Class AA Liquidity Provider, Class A Liquidity Provider and
Class B Liquidity Provider, and Wilmington Trust Company, as Subordination Agent thereunder (as may be amended, supplemented or otherwise modified from time to time in accordance with its terms, the “Intercreditor Agreement”).
Upon the occurrence of a Certificate Buy-Out Event, the holders of the Class A Certificates, Class B Certificates and Additional Certificates (if any) shall have the rights set forth in Article VI hereof. The Trustee and, by acceptance
of any Class AA Certificate, each Certificateholder thereof, agrees to be bound by all of the provisions of the Intercreditor Agreement, including the subordination provisions of Section 9.09 thereof. 

(j) [reserved] 

  

					
		  	10	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 (k) The Class AA Certificates will have the benefit of the following liquidity facility: that
certain Revolving Credit Agreement (2016-1AA), dated as of the date hereof, between Wilmington Trust Company, as Subordination Agent under the Intercreditor Agreement, as agent and trustee for the Class AA Trust, and the Class AA Liquidity Provider.

 (l) The Responsible Party is the Company. 

(m) The Parent will not initially guarantee the obligations of the Company under any Series AA Equipment Notes to be acquired by the Class AA
Trust. 
 (n) The Company, the Parent, any other obligor upon the Class AA Certificates, and any Affiliate of any thereof may acquire,
tender for, purchase, own, hold, become the pledgee of and otherwise deal with any Class AA Certificate. 
 ARTICLE IV  

ISSUANCE AND TRANSFER OF THE CLASS A CERTIFICATES 

Section 4.01 Issuance of Class AA Certificates. (a) The Class AA Certificates will be issued in minimum denominations of
$2,000 (or such other denomination that is the lowest integral multiple of $1,000 that is, at the time of issuance, equal to at least 1,000 euros) and integral multiples of $1,000 in excess thereof, except that one Certificate may be issued in a
different denomination. Each Class AA Certificate shall be dated the date of its authentication. 
 (b) The Class AA Certificates shall
be issued initially in the form of one or more global Certificates in definitive, fully registered form without interest coupons, substantially in the form of Exhibit A hereto (each, a “Global Certificate”), duly executed and
authenticated by the Trustee as hereinafter provided. Each Global Certificate will be registered in the name of a nominee for DTC for credit to the account of members of, or participants in, DTC (“DTC Participants”) or to the
account of indirect participants that clear through or maintain a custodial relationship with a DTC Participant, either directly or indirectly (“Indirect Participants”), and will be deposited with the Trustee, at its Corporate Trust
Office, as custodian for DTC. The aggregate face amount of a Global Certificate may from time to time be increased or decreased by adjustments made on the records of DTC or its nominee, or of the Trustee, as custodian for DTC or its nominee for such
Global Certificate, which adjustments shall be conclusive as to the aggregate face amount of any such Global Certificate. 
 (c) [Reserved]

 (d) [Reserved] 
 (e)
Certificated Certificates in registered form shall be issued in substantially the form set forth as Exhibit A hereto (the “Definitive Certificates”) and shall be in fully registered form and shall be typed, printed, lithographed or
engraved or produced by any combination of these methods or may be produced in any other manner, all as determined by the officers executing such Definitive Certificates, as evidenced by their execution of such Definitive Certificates. 

  

					
		  	11	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Section 4.02 Legends. (a) Each Global Certificate shall bear the
following legend on the face thereof: 
 UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST
COMPANY, A NEW YORK CORPORATION (“DTC”), TO THE TRUSTEE OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IN EXCHANGE FOR THIS CERTIFICATE IS REGISTERED IN THE NAME OF CEDE & CO. OR
IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT HEREON IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE
HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 

(b) Each Class AA Certificate shall bear the following legend on the face thereof: 

BY ITS ACQUISITION HEREOF, THE HOLDER REPRESENTS THAT EITHER (A) NO ASSETS OF A PLAN OR ANY TRUST ESTABLISHED WITH RESPECT TO A PLAN HAVE
BEEN USED TO ACQUIRE THIS CERTIFICATE OR AN INTEREST HEREIN OR (B) THE PURCHASE AND HOLDING OF THIS CERTIFICATE OR INTEREST HEREIN BY SUCH A PERSON ARE EXEMPT FROM THE PROHIBITED TRANSACTION RESTRICTIONS OF ERISA AND THE CODE OR SUBSTANTIALLY
SIMILAR PROVISIONS OF FOREIGN, FEDERAL, STATE OR LOCAL LAW PURSUANT TO ONE OR MORE PROHIBITED TRANSACTION STATUTORY OR ADMINISTRATIVE EXEMPTIONS OR SIMILAR EXEMPTIONS UNDER SIMILAR LAW. CERTAIN TERMS USED IN THIS PARAGRAPH SHALL HAVE THE MEANINGS
SPECIFIED IN THE AGREEMENT. 
 Section 4.03 Book-Entry Provisions for Global
Certificates. (a) DTC Participants shall have no rights under this Agreement with respect to any Global Certificate held on their behalf by DTC, or the Trustee as its custodian, and DTC may be treated by the Trustee and any agent of the
Trustee as the absolute owner of such Global Certificate for all purposes whatsoever. Notwithstanding the foregoing, nothing herein shall prevent the Trustee or any agent of the Trustee from giving effect to any written certification, proxy or other
authorization furnished by DTC or shall impair, as between DTC and its DTC Participants, the operation of customary practices governing the exercise of the rights of a holder of any Class AA Certificate. Upon the issuance of any Global Certificate,
the Registrar or its duly appointed agent shall record Cede & Co. or another nominee of DTC as the registered holder of such Global Certificate. 

(b) Transfers of any Global Certificate shall be limited to transfers of such Global Certificate in whole, but not in part, to nominees of
DTC, DTC’s successor or such successor’s 

  

					
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nominees. Beneficial interests in Global Certificates may be transferred in accordance with the rules and procedures of DTC and the provisions of Section 4.02 of this Trust
Supplement. Definitive Certificates shall be delivered to all beneficial owners of beneficial interests in Global Certificates, if (i) DTC notifies the Trustee in writing that it is no longer willing or able to discharge properly its
responsibilities as depositary for the Global Certificates, and a successor depositary is not appointed by the Trustee within 90 days of such notice, (ii) the Company, at its option, advises the Trustee in writing that it elects to
terminate the book-entry system through DTC or (iii) after the occurrence and during the continuance of an Event of Default, Class AA Certificateholders with Fractional Undivided Interests aggregating not less than a majority in interest in the
Class AA Trust advise the Trustee, the Company and DTC through DTC Participants in writing that the continuation of a book-entry system through DTC (or a successor thereto) is no longer in the Class AA Certificateholders’ best interests.
Neither the Company nor the Trustee shall be liable if the Company or the Trustee is unable to locate a qualified successor clearing system. 

(c) [Reserved] 
 (d) In
connection with the transfer of the entire amount of a Global Certificate to the beneficial owners thereof pursuant to Section 4.03(b) hereof, such Global Certificate shall be deemed to be surrendered to the Trustee for cancellation, and
the Trustee shall execute, authenticate and deliver to each beneficial owner, in exchange for the beneficial interest thereof in such Global Certificate, an equal aggregate face amount of Definitive Certificates of authorized denominations, in each
case as such beneficial owner and related aggregate face amount shall have been identified and otherwise set forth (together with such other information as may be required for the registration of such Definitive Certificates) in registration
instructions that shall have been delivered by or on behalf of DTC to the Trustee. None of the Company, the Registrar, the Paying Agent nor the Trustee shall be liable for any delay in delivery of such registration instructions and each such Person
may conclusively rely on, and shall be protected in relying on, such registration instructions. Upon the issuance of any Definitive Certificate, the Trustee shall recognize the Person in whose name such Definitive Certificate is registered in the
Register as a Certificateholder hereunder. 
 (e) The registered Holder of a Global Certificate may grant proxies and otherwise authorize
any Person, including DTC Participants and Persons that may hold interests through DTC Participants, to take any action which a Holder is entitled to take under this Agreement or the Class AA Certificates. 

(f) Neither the Company, nor the Trustee, nor the Registrar, nor the Paying Agent shall have any responsibility or liability for: (i) any
aspect of the records relating to or payments made on account of beneficial ownership interests in the Global Certificates, (ii) maintaining, supervising or reviewing any records relating to such beneficial ownership interests or (iii) the
performance by DTC, any DTC Participant or any Indirect Participant of their respective obligations under the rules, regulations and procedures creating and affecting DTC and its operation or any other statutory, regulatory, contractual or customary
procedures governing their obligations. 

  

					
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 ARTICLE V 

DISTRIBUTION; STATEMENTS TO CERTIFICATEHOLDERS 

Section 5.01 Statements to Certificateholders. (a) On each Regular Distribution Date and Special Distribution Date, the
Trustee will include with each distribution to the Class AA Certificateholders a statement, giving effect to the distribution to be made on such Regular Distribution Date or Special Distribution Date, setting forth the following information (per
$1,000 aggregate face amount of Class AA Certificates as to clauses (ii) and (iii) below): 
 (i) the
aggregate amount of funds distributed on such Distribution Date under this Agreement, indicating the amount, if any, allocable to each source (including any portion thereof paid by the Class AA Liquidity Provider); 

(ii) the amount of such distribution under this Agreement allocable to principal and the amount allocable to Premium (if any);

 (iii) the amount of such distribution under this Agreement allocable to interest (including any portion thereof paid by
the Class AA Liquidity Provider); 
 (iv) [reserved]; 

(v) [reserved]; and 

(vi) the Pool Balance and the Pool Factor. 

With respect to the Class AA Certificates registered in the name of DTC or its nominee, on the Record Date prior to each Regular Distribution
Date and Special Distribution Date, the Trustee will request that DTC post on its Internet bulletin board a securities position listing setting forth the names of all the DTC Participants reflected on DTC’s books as holding interests in the
Class AA Certificates on such Record Date. On each Regular Distribution Date and Special Distribution Date, the Trustee will mail to each such DTC Participant whose name has been provided by DTC the statement described above and will make
available additional copies as requested by such DTC Participants for forwarding to holders of interests in the Class AA Certificates. 

(b) Within a reasonable period of time after the end of each calendar year but not later than the latest date permitted by law, the Trustee
shall furnish to each Person who at any time during such calendar year was a Class AA Certificateholder of record a statement containing the sum of the amounts determined pursuant to clauses (a)(i), (a)(ii) and (a)(iii) above
for such calendar year or, in the event such Person was a Class AA Certificateholder of record during a portion of such calendar year, for the applicable portion of such year, and such other items as are readily available to the Trustee and which a
Class AA Certificateholder may reasonably request as necessary for the purpose of such Certificateholder’s preparation of its United States federal income tax returns or foreign income tax returns. With respect to Class AA Certificates
registered in the name of DTC or its nominee, such statement and such other items shall be prepared on the basis of information supplied to the Trustee by the DTC Participants and shall be delivered by the Trustee to such DTC Participants to be
available for forwarding by such DTC Participants to the holders of beneficial interests in the Class AA Certificates. 

  

					
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 (c) Promptly following the date of any early redemption or purchase of, or any default in the
payment of principal or interest in respect of, any of the Series AA Equipment Notes held in the Class AA Trust, the Trustee shall furnish to Class AA Certificateholders of record on such date a statement setting forth (x) the expected
Pool Balances for each subsequent Regular Distribution Date following the date of such redemption, purchase or default, (y) the related Pool Factors for such Regular Distribution Dates and (z) the expected principal distribution schedule
of the Series AA Equipment Notes, in the aggregate, held as Trust Property at the date of such notice. With respect to the Class AA Certificates registered in the name of DTC, on the date of such redemption, purchase or default, the Trustee will
request from DTC a securities position listing setting forth the names of all DTC Participants reflected on DTC’s books as holding interests in the Class AA Certificates on such date. The Trustee will mail to each such DTC Participant the
statement described above and will make available additional copies as requested by such DTC Participant for forwarding to holders of interests in the Class AA Certificates. 

(d) [reserved] 
 (e) The
provisions of this Section 5.01 supersede and replace the provisions of Section 4.03 of the Basic Agreement in their entirety with respect to the Class AA Trust. 

ARTICLE VI 
 DEFAULT

 Section 6.01 Purchase Rights of Certificateholders. (a) By acceptance of its Class AA Certificate, each Class AA
Certificateholder agrees that at any time after the occurrence and during the continuation of a Certificate Buy-Out Event: 
 (i) so long as
no Additional Certificateholder or Class B Certificateholder has elected to exercise its rights to purchase Certificates pursuant to, and given notice of such election in accordance with, this Section 6.01 (upon such election and
notification thereof, the right specified in this Section 6.01(a)(i) shall be suspended and (x) upon consummation of the purchase pursuant to such election, be terminated with respect to such Certificate Buy-Out Event, or
(y) upon failure to consummate such purchase on the proposed purchase date, such right shall be revived), each Class A Certificateholder (other than the Company or any of its Affiliates) shall have the right to purchase, for the purchase
price set forth below all, but not less than all, of the Class AA Certificates upon ten days’ prior written irrevocable notice to the Trustee, the Class A Trustee and each other Class A Certificateholder, on the third Business Day
following the expiration of such ten-day notice period, provided that (A) if prior to the end of such ten-day period any other Class A Certificateholder(s) (other than the Company or any of its Affiliates) notifies such purchasing
Class A Certificateholder that such other Class A Certificateholder(s) want(s) to participate in such purchase, then such other Class A Certificateholder(s) (other than the Company or any of its Affiliates) may join with the
purchasing Class A Certificateholder to purchase all, but not less than all, of the Class AA 

  

					
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Certificates pro rata based on the Fractional Undivided Interest in the Class A Trust held by each such Class A Certificateholder and (B) upon consummation of such purchase no
Class A Certificateholder shall have a right to purchase the Class AA Certificates pursuant to this Section 6.01(a)(i) during the continuance of such Certificate Buy-Out Event; 

(ii) so long as no Additional Certificateholder has elected to exercise its rights to purchase Certificates pursuant to, and given notice of
such election in accordance with, this Section 6.01 (upon such election and notification thereof, the right specified in this Section 6.01(a)(ii) shall be suspended and (x) upon consummation of the purchase pursuant to
such election, be terminated with respect to such Certificate Buy-Out Event, or (y) upon failure to consummate such purchase on the proposed purchase date, such right shall be revived), each Class B Certificateholder (other than the Company or
any of its Affiliates) shall have the right to purchase, for the purchase price set forth below with respect to the Class AA Certificates and in the Class A Trust Agreement with respect to the Class A Certificates, all, but not less than
all, of the Class AA Certificates and Class A Certificates upon ten days’ prior written irrevocable notice to the Trustee, the Class A Trustee, the Class B Trustee and each other Class B Certificateholder, on the third Business Day
following the expiration of such ten-day notice period, provided that (A) if prior to the end of such ten-day period any other Class B Certificateholder(s) (other than the Company or any of its Affiliates) notifies such purchasing
Class B Certificateholder that such other Class B Certificateholder(s) want(s) to participate in such purchase, then such other Class B Certificateholder(s) (other than the Company or any of its Affiliates) may join with the purchasing Class B
Certificateholder to purchase all, but not less than all, of the Class AA Certificates and Class A Certificates pro rata based on the Fractional Undivided Interest in the Class B Trust held by each such Class B Certificateholder and
(B) upon consummation of such purchase no Class B Certificateholder shall have a right to purchase the Class AA Certificates and the Class A Certificates pursuant to this Section 6.01(a)(ii) during the continuance of such
Certificate Buy-Out Event; 
 (iii) if any Additional Certificates are issued by one or more Additional Trusts, each Additional
Certificateholder (other than the Company or any of its Affiliates) shall have the right (which shall not expire upon any purchase of the Class AA Certificates and Class A Certificates pursuant to Section 6.01(a)(i) and (ii)) to
purchase, for the purchase price set forth herein with respect to the Class AA Certificates, in the Class A Trust Agreement with respect to the Class A Certificates, in the Class B Trust Agreement with respect to the Class B
Certificates and in the applicable Additional Trust Agreement with respect to any Additional Certificates that rank senior to the Additional Certificates held by the purchasing Additional Certificateholder all, but not less than all, of the
Class AA Certificates, the Class A Certificates, the Class B Certificates and any Additional Certificates ranked senior to the Additional Certificates held by the purchasing Additional Certificateholder upon ten days’ prior written
irrevocable notice to the Trustee, the Class A Trustee, the Class B Trustee and any Additional Trustee with respect to any Additional Certificates that rank senior to the Additional Certificates held by the purchasing Additional
Certificateholder and each other Additional Certificateholder of the same class, on the third Business Day following the expiration of such ten-day notice period, provided that (A) if prior to the end of such ten-day period any other
Additional Certificateholder(s) of such class (other than the Company or any of its Affiliates) notifies such purchasing Additional Certificateholder that such other Additional Certificateholder(s) want(s) to participate in such purchase, then such
other Additional Certificateholder(s) (other than the Company or any of its 

  

					
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Affiliates) may join with the purchasing Additional Certificateholder to purchase all, but not less than all, of the Class AA Certificates, the Class A Certificates, the Class B
Certificates and such senior Additional Certificates pro rata based on the Fractional Undivided Interest in the applicable Additional Trust held by each such Additional Certificateholder and (B) upon consummation of such purchase no Additional
Certificateholder of such class shall have a right to purchase the Class AA Certificates, the Class A Certificates, the Class B Certificates and such senior Additional Certificates pursuant to this Section 6.01(a)(iii) during the
continuance of such Certificate Buy-Out Event; and 
 (iv) if any Refinancing Certificates are issued, each Refinancing Certificateholder
shall have the same right (subject to the same terms and conditions) to purchase Certificates pursuant to this Section 6.01(a) (and to receive notice in connection therewith) as the Certificateholders of the Class that such Refinancing
Certificates refinanced. 
 The purchase price with respect to the Class AA Certificates shall be equal to the Pool Balance of the
Class AA Certificates, together with accrued and unpaid interest in respect thereof to the date of such purchase, and any other amounts then due and payable to the Class AA Certificateholders under this Agreement, the Intercreditor Agreement,
any Series AA Equipment Note held as the property of the Class AA Trust or the related Indenture and Participation Agreement or on or in respect of the Class AA Certificates but without any Premium, provided, however, that if such
purchase occurs after (x) [reserved] or (y) the Record Date relating to any Distribution Date, such purchase price shall be reduced by the amount to be distributed hereunder on such related Distribution Date (which deducted amounts shall
remain distributable to, and may be retained by, the Class AA Certificateholders as of such Record Date); provided, further, that no such purchase of Class AA Certificates pursuant to this Section 6.01(a) shall be effective
unless the purchaser(s) shall certify to the Trustee that contemporaneously with such purchase, such purchaser(s) is purchasing, pursuant to the terms of this Agreement, the Class A Trust Agreement, the Class B Trust Agreement, the applicable
Additional Trust Agreement (if any) or the applicable Refinancing Trust Agreement (as the case may be), and the Intercreditor Agreement, all of the Class AA Certificates, the Class A Certificates, the Class B Certificates and, if
applicable, the Additional Certificates that rank senior to the Additional Certificates held by the purchasing Additional Certificateholder(s) and, if applicable, the Refinancing Certificates that are senior to the securities held by such
purchaser(s). Each payment of the purchase price of the Class AA Certificates referred to in the first sentence of this paragraph shall be made to an account or accounts designated by the Trustee and each such purchase shall be subject to the terms
of this Section 6.01(a). Each Class AA Certificateholder agrees by its acceptance of its Class AA Certificate that it will, upon payment from such Class A Certificateholder(s), Class B Certificateholder(s), Additional
Certificateholder(s) or Refinancing Certificateholder(s), as the case may be, of the purchase price set forth in the first sentence of this paragraph, forthwith sell, assign, transfer and convey to the purchaser(s) thereof (without recourse,
representation or warranty of any kind except as to its own acts) all of the right, title, interest and obligation of such Class AA Certificateholder in this Agreement, the Intercreditor Agreement, the Class AA Liquidity Facility, the NPA, the Note
Documents and all Class AA Certificates held by such Class AA Certificateholder (excluding all right, title and interest under any of the foregoing to the extent such right, title or interest is with respect to an obligation not then due and
payable as respects any action or inaction or state of affairs occurring prior to such sale) and the purchaser(s) shall assume all of such Class AA 

  

					
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Certificateholder’s obligations under this Agreement, the Intercreditor Agreement, the Class AA Liquidity Facility, the NPA, the Note Documents and all such Class AA Certificates. The Class
AA Certificates will be deemed to be purchased on the date payment of the purchase price is made notwithstanding the failure of any Class AA Certificateholder to deliver any Class AA Certificate and, upon such a purchase, (i) the selling Class
AA Certificateholders shall have no further rights with respect to the Class AA Certificates and (ii) if the purchaser(s) shall so request, each such Class AA Certificateholder will comply with all the provisions of Section 3.04 of the
Basic Agreement and the applicable provisions of this Trust Supplement to enable new Class AA Certificates to be issued to the purchaser(s) in such denominations otherwise authorized under this Agreement as it shall request. All charges and expenses
in connection with the issuance of any such new Class AA Certificates shall be borne by the purchaser(s) thereof. 
 (c) This
Section 6.01 supplements and, to the extent inconsistent with any provision of Section 6.01(d) of the Basic Agreement, replaces the provisions of Section 6.01(d) of the Basic Agreement. Notwithstanding anything to the contrary
set forth herein or in any Operative Agreement, the provisions of this Section 6.01 may not be amended in any manner without the consent of each Class AA Certificateholder, Class A Certificateholder, Class B Certificateholder and
Additional Certificateholder or, as the case may be, Refinancing Certificateholder (in each case, other than the Company or any of its Affiliates in its respective capacity as a Certificateholder) that would be adversely affected thereby;
provided that the purchase price under this Section 6.01 (as in effect on the date hereof) for any Certificate held by the Company or any of its Affiliates shall not be modified without the prior written consent of the Company.
For the avoidance of doubt, if a Certificate Buy-Out Event ceases to exist and another Certificate Buy-Out Event occurs and is continuing, the purchase rights set forth in this Section 6.01 shall be revived notwithstanding any exercise
of such rights during the continuance of any preceding Certificate Buy-Out Event. 
 ARTICLE VII 

THE TRUSTEE 

Section 7.01 Delivery of Documents; Issuance Date. (a) The Trustee is hereby directed (i) to execute and deliver the
Intercreditor Agreement and the NPA on or prior to the date of the initial issuance of the Class AA Certificates (the “Issuance Date”), each in the form delivered to the Trustee by the Company, and (ii) subject to the
respective terms thereof, to perform its obligations thereunder. Upon request of the Company and the satisfaction or waiver of the closing conditions specified in the Underwriting Agreement, the Trustee shall execute, deliver, authenticate, issue
and sell Class AA Certificates in authorized denominations equaling in the aggregate the amount set forth, with respect to the Class AA Trust, in Schedule I to the Underwriting Agreement evidencing the entire ownership interest in the Class AA
Trust, which amount equals the maximum aggregate principal amount of Series AA Equipment Notes which may be purchased from time to time by the Trustee pursuant to the NPA. Except as provided in Sections 3.03, 3.05 and 3.06 of the Basic
Agreement or Section 4.03 of this Trust Supplement, the Trustee shall not execute, authenticate or deliver Class AA Certificates in excess of the aggregate amount specified in this paragraph. The provisions of this
Section 7.01(a) supersede and replace the first three sentences of Section 2.02(a) of the Basic Agreement and the first sentence of Section 3.02(a) of the Basic Agreement, with respect to the Class AA Trust. 

  

					
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 (b) On the Issuance Date, the Trustee shall enter into and perform its obligations under the
Participation Agreement (the “Applicable Participation Agreement”) with respect to each Aircraft and cause such certificates, documents and legal opinions relating to the Trustee to be duly delivered as required by the Applicable
Participation Agreement. Upon satisfaction of the conditions specified in the Applicable Participation Agreement, the Trustee shall purchase the applicable Series AA Equipment Notes with the proceeds of the Class AA Certificates on the Issuance
Date. The purchase price of such Series AA Equipment Notes shall equal the principal amount of such Series AA Equipment Notes. The provisions of this Section 7.01(b) supersede and replace the provisions of Section 2.02(b) of the
Basic Agreement with respect to the Class AA Trust, and no provisions of the Basic Agreement relating to Postponed Notes and Section 2.02 of the Basic Agreement shall apply to the Class AA Trust. 

(c) With respect to the Class AA Trust, Section 4.01(b) of the Basic Agreement is superseded and replaced in its entirety with the
following: “The Trustee shall establish and maintain on behalf of the Class AA Certificateholders a Special Payments Account as one or more accounts, which shall be non-interest bearing except as provided in Section 4.04 of the Basic
Agreement. The Trustee shall hold the Special Payments Account in trust for the benefit of the Class AA Certificateholders and shall make or permit withdrawals therefrom only as provided in the Agreement or the Intercreditor Agreement. On each day
when one or more Special Payments are made to the Trustee under the Intercreditor Agreement, the Trustee, upon receipt thereof, shall immediately deposit the aggregate amount of such Special Payments in the Special Payments Account.” 

(d) With respect to the Class AA Trust, the second sentence of Section 4.02(c) of the Basic Agreement shall be superseded and replaced in
its entirety with the following sentence: “Subject to the provisions of the Intercreditor Agreement: (i) in the event of redemption or purchase of Series AA Equipment Notes held in the Class AA Trust, such notice shall be mailed not less
than 15 days prior to the Special Distribution Date for the Special Payment resulting from such redemption or purchase, which Special Distribution Date shall be the date of such redemption or purchase; and (ii) in the case of any other
Special Payments, such notice of Special Payment shall be mailed as soon as practicable after the Trustee has confirmed that it has received funds for such Special Payment and shall state the Special Distribution Date for such Special Payment, which
shall occur 15 days after the date of such notice of Special Payment or (if such 15th day is not practicable) as soon as practicable thereafter.” 

(e) With respect to the Class AA Trust, clause (ii) of the third sentence of Section 4.02(c) of the Basic Agreement shall be amended
by deleting in its entirety the parenthetical phrase “(taking into account any payment to be made by the Responsible Party pursuant to Section 2.02(b)).” 

Section 7.02 [reserved] 

Section 7.03 The Trustee. (a) Subject to Section 7.04 of this Trust Supplement and Section 7.15 of the Basic
Agreement, the Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Trust Supplement, the Intercreditor Agreement, or the NPA or the due execution hereof or thereof by the Company or the
other parties thereto (other than the Trustee), or for or in respect of the recitals and statements 

  

					
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contained herein or therein, all of which recitals and statements are made solely by the Company or the other parties thereto (other than the Trustee), except that the Trustee hereby represents
and warrants that each of this Trust Supplement, the Basic Agreement, each Class AA Certificate, the Intercreditor Agreement and the NPA has been executed and delivered by one of its officers who is duly authorized to execute and deliver such
document on its behalf. 
 (b) The Trustee shall at all times be a bank or trust company, organized and doing business under the laws of the
United States or any state thereof, a substantial part of the business of which consists of (i) receiving deposits and making loans or (ii) exercising fiduciary powers similar to those permitted to national banks by the Comptroller of the
Currency, and which is subject to supervision and examination by state or federal authority having supervision over banking institutions. 

Section 7.04 Representations and Warranties of the Trustee. The Trustee hereby represents and warrants that: 

(a) the Trustee has full power, authority and legal right to execute, deliver and perform this Trust Supplement, the Intercreditor Agreement,
the NPA and the Note Documents to which it is or is to become a party and has taken all necessary action to authorize the execution, delivery and performance by it of this Trust Supplement, the Intercreditor Agreement, the NPA and the Note Documents
to which it is or is to become a party; 
 (b) the execution, delivery and performance by the Trustee of this Trust Supplement, the
Intercreditor Agreement, the NPA and the Note Documents to which it is or is to become a party (i) will not violate any provision of any United States federal law governing its trust powers or the law of the state of the United States where it
is located governing the banking and trust powers of the Trustee or any order, writ, judgment, or decree of any court, arbitrator or governmental authority applicable to the Trustee or any of its assets, (ii) will not violate any provision of
the charter of the Trustee, and (iii) will not violate any provision of, or constitute, with or without notice or lapse of time, a default under, or result in the creation or imposition of, any lien on any properties included in the Trust
Property pursuant to the provisions of any mortgage, indenture, contract, agreement or other undertaking to which it is a party, which violation, default or lien could reasonably be expected to have an adverse effect on the Trustee’s
performance or ability to perform its duties hereunder or thereunder or on the transactions contemplated herein or therein; 
 (c) the
execution, delivery and performance by the Trustee of this Trust Supplement, the Intercreditor Agreement, the NPA and the Note Documents to which it is or is to become a party will not require the authorization, consent, or approval of, the giving
of notice to, the filing or registration with, or the taking of any other action in respect of, any governmental authority or agency of the United States or the state of the United States where it is located regulating the corporate trust activities
of the Trustee; and 
 (d) this Trust Supplement, the Intercreditor Agreement, the NPA and the Note Documents to which it is or is to become
a party have been, or will be, as applicable, duly executed and delivered by the Trustee and constitute, or will constitute, as applicable, the legal, valid and binding agreements of the Trustee, enforceable against it in accordance with their

  

					
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respective terms; provided, however, that enforceability may be limited by (i) applicable bankruptcy, insolvency, reorganization, moratorium or similar laws affecting the
rights of creditors generally and (ii) general principles of equity. 
 Section 7.05 Trustee Liens. The Trustee in its
individual capacity agrees, in addition to the agreements contained in Section 7.17 of the Basic Agreement, that it will at its own cost and expense promptly take any action as may be necessary to duly discharge and satisfy in full any
Trustee’s Liens on or with respect to the Trust Property which are attributable to the Trustee in its individual capacity and which are unrelated to the transactions contemplated by the Intercreditor Agreement or the NPA. 

ARTICLE VIII 

ADDITIONAL AMENDMENT; SUPPLEMENTAL AGREEMENTS 

Section 8.01 Amendment of Section 5.02 of the Basic Agreement. Section 5.02 of the Basic Agreement shall be amended,
with respect to the Class AA Trust, by (i) replacing the phrase “of this Agreement” set forth in paragraph (a) thereof with the phrase “of the Note Documents, of the NPA and of this Agreement” and (ii) replacing
the phrase “under this Agreement” set forth in paragraph (b) thereof with the phrase “under this Agreement, the NPA and any Note Document”. 

Section 8.02 Supplemental Agreements Without Consent of Class AA Certificateholders. Without limitation of Section 9.01 of
the Basic Agreement, under the terms of, and subject to the limitations contained in, Section 9.01 of the Basic Agreement, the Company may (but will not be required to), and the Trustee (subject to Section 9.03 of the Basic Agreement)
shall, at the request of the Company at any time and from time to time, enter into (i) one or more agreements supplemental to the NPA, for any of the purposes set forth in clauses (1) through (15) of such Section 9.01, and
(without limitation of the foregoing or Section 9.01 of the Basic Agreement) (a) clauses (2) and (3) of such Section 9.01 shall also be deemed to include the Company’s obligations under (in the case of clause (2)), and
the Company’s rights and powers conferred by (in the case of clause (3)), the NPA, (b) references in clauses (4) and (5) of such Section 9.01 to “any Intercreditor Agreement, any Note Purchase Agreement, any Liquidity
Facility or any Parent Guarantee” shall also be deemed to refer to “the Intercreditor Agreement, the Class AA Liquidity Facility, the NPA or any Participation Agreement”, (c) references to “any Intercreditor Agreement, any
Liquidity Facility or any Parent Guarantee” in clause (7) of such Section 9.01 shall also be deemed to refer to “the Intercreditor Agreement, the Class AA Liquidity Facility, the NPA or any Participation Agreement” and
(d) references to “any Intercreditor Agreement, any Note Purchase Agreement, any Indenture, any Liquidity Facility or any Parent Guarantee” and to “any Intercreditor Agreement, any Liquidity Facility or any Parent Guarantee”
in clause (8) of such Section 9.01 shall also be deemed to refer to “the Intercreditor Agreement, the NPA, any Indenture, the Class AA Liquidity Facility, or any Participation Agreement”, (ii) one or more agreements
supplemental to any Operative Agreement or the NPA to provide for the formation of one or more Additional Trusts in existence at any one time, the issuance of Additional Certificates from time to time, the purchase by an Additional Trust of
applicable Additional Equipment Notes and other matters incidental thereto or otherwise contemplated by Section 2.01(b) of the Basic Agreement, all as provided in Section 4(a)(v) of 

  

					
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the NPA and Section 8.01(d) of the Intercreditor Agreement, and (iii) one or more agreements supplemental to any Operative Agreement or the NPA to provide for the formation of one or
more Refinancing Trusts, the issuance of Refinancing Certificates, the purchase by any Refinancing Trust of applicable Refinancing Equipment Notes and other matters incidental thereto or as otherwise contemplated by Section 2.01(b) of the Basic
Agreement, all as provided in Section 4(a)(v) of the NPA and Section 8.01(c) of the Intercreditor Agreement. In addition, the following provisions of Section 9.01 of the Basic Agreement shall be amended, with respect to the Class AA
Trust, as follows: (A) Section 9.01(1) of the Basic Agreement shall be amended by replacing the word “, including” with the word “or”; (B) Section 9.01(6) of the Basic Agreement shall be amended by inserting
the phrase “(or to facilitate any listing of any Certificates on any exchange or quotation system) or any requirement of DTC or like depositary,” after the phrase “any exchange or quotation system on which the Certificates of any
series are listed” but before the phrase “or of any regulatory body”; (C) Section 9.01(7) of the Basic Agreement shall be amended by inserting the phrase “to establish or” after the phrase “to such extent as
shall be necessary” but before the phrase “to continue”; and (D) Section 9.01(8) of the Basic Agreement shall be amended by inserting the phrase “, or to evidence the substitution of a Liquidity Provider with a
Replacement Liquidity Provider or to provide for a Replacement Liquidity Facility (and if such Replacement Liquidity Facility is to be comprised of more than one instrument, to incorporate appropriate provisions for multiple liquidity facilities for
a single pass through trust), all as provided in any Intercreditor Agreement” after the phrase “one or more Trusts” but before the phrase “and to add to or change”. 

Section 8.03 Supplemental Agreements with Consent of Class AA Certificateholders. Without limitation of Section 9.02 of the
Basic Agreement, the provisions of Section 9.02 of the Basic Agreement shall apply to agreements or amendments for the purpose of adding any provisions to or changing in any manner or eliminating any of the provisions of the Class AA Liquidity
Facility or the NPA or modifying in any manner the rights and obligations of the Class AA Certificateholders under the Class AA Liquidity Facility or the NPA. 

Section 8.04 Consent of Holders of Certificates Issued under Other Trusts. Notwithstanding any provision in
Section 8.02 or Section 8.03 of this Trust Supplement to the contrary, no amendment or modification of Section 6.01 of this Trust Supplement shall be effective unless the trustee for each Class of Certificates
affected by such amendment or modification shall have consented thereto. 
 ARTICLE IX 

MISCELLANEOUS PROVISIONS 

Section 9.01 Final Termination Date. The respective obligations and responsibilities of the Company and the Trustee created hereby
and the Class AA Trust created hereby shall terminate upon the distribution to all Class AA Certificateholders and the Trustee of all amounts required to be distributed to them pursuant to this Agreement and the disposition of all property held as
part of the Trust Property; provided, however, that in no event shall the Trust created hereby continue beyond one hundred ten (110) years following the date of execution of this Trust Supplement. 

  

					
		  	22	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Section 9.02 Basic Agreement Ratified. Except and so far as herein expressly
provided, all of the provisions, terms and conditions of the Basic Agreement are in all respects ratified and confirmed; and the Basic Agreement and this Trust Supplement shall be taken, read and construed as one and the same instrument. To the
extent that any provisions of the Basic Agreement are superseded by any provisions of this Trust Supplement, any reference to such provisions of the Basic Agreement herein or in the Basic Agreement shall be deemed to be such provisions of this Trust
Supplement. 
 Section 9.03 Governing Law. THIS AGREEMENT HAS BEEN DELIVERED IN THE STATE OF NEW YORK AND THIS AGREEMENT AND THE
CLASS AA CERTIFICATES SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAW OF THE STATE OF NEW YORK, INCLUDING ALL MATTERS OF CONSTRUCTION, VALIDITY AND PERFORMANCE. 

Section 9.04 Counterparts. This Trust Supplement may be executed in any number of counterparts (and no party shall be
required to execute the same counterpart). Each counterpart of this Trust Supplement including a signature page or pages executed by each of the parties hereto shall be an original counterpart of this Trust Supplement, but all of such counterparts
together constitute one instrument. The parties intend that faxed signatures and electronically imaged signatures such as .pdf files shall constitute original signatures and are binding on all parties. The original documents shall be promptly
delivered, if requested. 
 Section 9.05 Intention of Parties. The parties hereto intend that the Class AA Trust be classified
for United States federal income tax purposes as a grantor trust under Subpart E, Part I, Subchapter J, Chapter 1 of Subtitle A of the Code, and not as a trust or association taxable as a corporation or as a partnership. Each
Certificateholder of, and each Person acquiring a beneficial interest in, a Class AA Certificate, by its acceptance of its Class AA Certificate or a beneficial interest therein, agrees to treat the Class AA Trust as a grantor trust for all United
States federal, state and local income tax purposes. The Trustee shall not be authorized or empowered to do anything that would cause the Class AA Trust to fail to qualify as a grantor trust for such tax purposes (including as subject to this
restriction, acquiring any Aircraft by bidding the Equipment Notes relating thereto or otherwise, or taking any action with respect to any such Aircraft once acquired). 

Section 9.06 Submission to Jurisdiction. (a) Each of the parties hereto, to the extent it may do so under applicable law, for
purposes hereof and of all other Operative Agreements hereby (i) irrevocably submits itself to the non-exclusive jurisdiction of the courts of the State of New York sitting in the City of New York and to the non-exclusive jurisdiction of the
United States District Court for the Southern District of New York, for the purposes of any suit, action or other proceeding arising out of this Agreement, the subject matter hereof or any of the transactions contemplated hereby brought by any party
or parties hereto or thereto, or their successors or permitted assigns, (ii) waives, and agrees not to assert, by way of motion, as a defense, or otherwise, in any such suit, action or proceeding, that the suit, action or proceeding is brought
in an inconvenient forum, that the venue of the suit, action or proceeding is improper or that this Agreement or the subject matter hereof or any of the transactions contemplated hereby may not be enforced in or by such courts, (iii) agrees
that service of process in any such action or proceeding may be effected by mailing a copy thereof by registered or certified mail (or any 

  

					
		  	23	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 
substantially similar form of mail), postage prepaid, to each party hereto at its address set forth in Section 12.04 of the Basic Agreement, or at such other address of which the other
parties shall have been notified pursuant thereto; and (iv) agrees that nothing herein shall affect the right to effect service of process in any other manner permitted by law or shall limit the right to sue in any other jurisdiction. 

[Remainder of Page Intentionally Blank; Signature Pages Follow] 

  

					
		  	24	  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 IN WITNESS WHEREOF, the parties have caused this Trust Supplement to be duly executed by their
respective officers thereto duly authorized as of the date first written above. 
  

					
	AMERICAN AIRLINES, INC.
		
	By:	 	 /s/ Thomas T. Weir

		 	Name:	 	Thomas T. Weir
		 	Title:	 	Vice President and Treasurer

  
 [Signature
Page to Trust Supplement 2016-1AA] 

 
					
	WILMINGTON TRUST COMPANY,
	as Trustee
		
	By:	 	 /s/ Adam R. Vogelsong

		 	Name:	 	Adam R. Vogelsong
		 	Title:	 	Vice President

  
 [Signature
Page to Trust Supplement 2016-1AA] 

 EXHIBIT A to 

TRUST SUPPLEMENT NO. 2016-1AA 

FORM OF CERTIFICATE 

[UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION
(“DTC”), TO THE TRUSTEE OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IN EXCHANGE FOR THIS CERTIFICATE IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS
REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT HEREON IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE
BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN.]1 

BY ITS ACQUISITION HEREOF, THE HOLDER REPRESENTS THAT EITHER (A) NO ASSETS OF A PLAN OR ANY TRUST ESTABLISHED WITH RESPECT TO A PLAN HAVE
BEEN USED TO ACQUIRE THIS CERTIFICATE OR AN INTEREST HEREIN OR (B) THE PURCHASE AND HOLDING OF THIS CERTIFICATE OR INTEREST HEREIN BY SUCH A PERSON ARE EXEMPT FROM THE PROHIBITED TRANSACTION RESTRICTIONS OF ERISA AND THE CODE OR SUBSTANTIALLY
SIMILAR PROVISIONS OF FOREIGN, FEDERAL, STATE OR LOCAL LAW PURSUANT TO ONE OR MORE PROHIBITED TRANSACTION STATUTORY OR ADMINISTRATIVE EXEMPTIONS OR SIMILAR EXEMPTIONS UNDER SIMILAR LAW. CERTAIN TERMS USED IN THIS PARAGRAPH SHALL HAVE THE MEANINGS
SPECIFIED IN THE AGREEMENT. 
  

	1 	This legend to appear on Book-Entry Certificates to be deposited with The Depository Trust Company. 

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 [GLOBAL CERTIFICATE]1 

AMERICAN AIRLINES PASS THROUGH TRUST 2016-1AA 

AMERICAN AIRLINES PASS THROUGH CERTIFICATE, SERIES 2016-1AA 

Final Expected Regular Distribution Date: January 15, 2028 

evidencing a fractional undivided interest in the Trust, the property of which includes or will include, among other things, certain Equipment
Notes each secured by an Aircraft owned by American Airlines, Inc. 
  

					
	Certificate No.         	  	$             Fractional Undivided Interest representing     % of the Trust per $1,000 face amount	  	 CUSIP No. [        ]
  

ISIN No. [        ]

 THIS CERTIFIES THAT             , for value
received, is the registered owner of a $         (        dollars) Fractional Undivided Interest (or such lesser amounts as shall be the aggregate outstanding face
amount hereof as set forth in the records of the Trustee) in the American Airlines Pass Through Trust 2016-1AA (the “Trust”) created by Wilmington Trust Company, as trustee (together with any successor in interest and any successor
or other trustee appointed pursuant to the Trust Supplement referred to below, the “Trustee”) under a Pass Through Trust Agreement, dated as of September 16, 2014 (the “Basic Agreement”), between Wilmington
Trust Company, a Delaware trust company, and American Airlines, Inc., a Delaware corporation (together with any successor in interest pursuant to Section 5.02 of the Basic Agreement, the “Company”), as supplemented by Trust
Supplement No. 2016-1AA thereto, dated as of January 19, 2016 (collectively with the Basic Agreement, and as may be amended from time to time, the “Agreement”), between the Trustee and the Company, a summary of certain of
the pertinent provisions of which is set forth below. To the extent not otherwise defined herein, the capitalized terms used herein have the meanings assigned to them in the Agreement. This Certificate is one of the duly authorized Certificates
designated as “American Airlines Pass Through Certificates, Series 2016-1AA” (herein called the “Certificates”). This Certificate is issued under and is subject to the terms, provisions and conditions of the Agreement. By
virtue of its acceptance hereof, the Certificateholder of this Certificate assents to and agrees to be bound by all of the provisions of the Agreement and the Intercreditor Agreement, including the subordination provisions of Section 9.09 of
the Intercreditor Agreement. The Trust Property is expected to include certain Equipment Notes and includes all rights of the Trust and the Trustee, on behalf of the Trust, to receive any payments under the Intercreditor Agreement and the Class AA
Liquidity Facility. Each issue of the Equipment Notes will be secured by, among other things, a security interest in the Aircraft owned by the Company. 

 

	1 	To be included on the face of each Global Certificate. 

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 The Certificates represent Fractional Undivided Interests in the Trust and the Trust Property,
and will have no rights, benefits or interest in respect of any other separate trust established pursuant to the terms of the Basic Agreement for any other series of certificates issued pursuant thereto. 

Subject to and in accordance with the terms of the Agreement and the Intercreditor Agreement, from funds then available to the Trustee, there
will be distributed on each January 15 and each July 15 (each, a “Regular Distribution Date”), commencing on July 15, 2016, to the Person in whose name this Certificate is registered at the close of business on the 15th day preceding the applicable Regular Distribution Date, an amount in respect of the Scheduled Payments on the Series AA Equipment Notes due on such Regular Distribution Date, the receipt of which
has been confirmed by the Trustee, equal to the product of the percentage interest in the Trust evidenced by this Certificate and an amount equal to the sum of such Scheduled Payments. Subject to and in accordance with the terms of the Agreement and
the Intercreditor Agreement, in the event that Special Payments on the Series AA Equipment Notes are received by the Trustee, from funds then available to the Trustee, there shall be distributed on the applicable Special Distribution Date, to the
Person in whose name this Certificate is registered at the close of business on the 15th day preceding the applicable Special Distribution Date, an amount in respect of such Special Payments on
the Series AA Equipment Notes, the receipt of which has been confirmed by the Trustee, equal to the product of the percentage interest in the Trust evidenced by this Certificate and an amount equal to the sum of such Special Payments so received. If
a Regular Distribution Date or Special Distribution Date is not a Business Day, distribution shall be made on the immediately following Business Day and no interest shall accrue during the intervening period. The Trustee shall mail notice of each
Special Payment and the Special Distribution Date therefor to the Certificateholder of this Certificate. 
 Distributions on this
Certificate will be made by the Trustee by check mailed to the Person entitled thereto, without the presentation or surrender of this Certificate or the making of any notation hereon, except that with respect to Certificates registered on the Record
Date in the name of a Clearing Agency (or its nominee), such distributions shall be made by wire transfer. Except as otherwise provided in the Agreement and notwithstanding the above, the final distribution on this Certificate will be made after
notice mailed by the Trustee of the pendency of such distribution and only upon presentation and surrender of this Certificate at the office or agency of the Trustee specified in such notice. 

The Certificates do not represent a direct obligation of, or an obligation guaranteed by, or an interest in, the Company, the Trustee, the
Subordination Agent, any Loan Trustee or any Affiliate of any thereof. The Certificates are limited in right of payment, all as more specifically set forth on the face hereof and in the Agreement. All payments or distributions made to
Certificateholders under the Agreement shall be made only from the Trust Property and only to the extent that the Trustee shall have sufficient income or proceeds from the Trust Property to make such payments in accordance with the terms of the
Agreement. Each Certificateholder of this Certificate, by its acceptance hereof, agrees that it will look solely to the income and proceeds from the Trust Property to the extent available for any payment or distribution to such Certificateholder
pursuant to the terms of the Agreement and that it will not have any recourse to the Company, the Trustee, the Loan Trustees or any Affiliate of any thereof except as otherwise expressly provided in the Agreement, in any Note Document or in the

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 
Intercreditor Agreement. This Certificate does not purport to summarize the Agreement and reference is made to the Agreement for information with respect to the interests, rights, benefits,
obligations, proceeds and duties evidenced hereby. A copy of the Agreement may be examined during normal business hours at the principal office of the Trustee, and at such other places, if any, designated by the Trustee, by any Certificateholder
upon request. 
 The Agreement permits, with certain exceptions therein provided, the amendment thereof, and the modification of the rights
and obligations of the Company and the rights of the Certificateholders under the Agreement, at any time by the Company and the Trustee with the consent of the Certificateholders holding Certificates evidencing Fractional Undivided Interests
aggregating not less than a majority in interest in the Trust. Any such consent by the Certificateholder of this Certificate shall be conclusive and binding on such Certificateholder and upon all future Certificateholders of this Certificate and of
any Certificate issued upon the transfer hereof or in exchange hereof or in lieu hereof whether or not notation of such consent is made upon this Certificate. The Agreement also permits the amendment thereof, in certain limited circumstances,
without the consent of the Certificateholders of any of the Certificates. 
 As provided in the Agreement and subject to certain limitations
set forth therein, the transfer of this Certificate is registrable in the Register upon surrender of this Certificate for registration of transfer at the offices or agencies maintained by the Trustee in its capacity as Registrar, or by any successor
Registrar, duly endorsed or accompanied by a written instrument of transfer in form satisfactory to the Trustee and the Registrar, duly executed by the Certificateholder hereof or such Certificateholder’s attorney duly authorized in writing,
and thereupon one or more new Certificates of authorized denominations evidencing the same aggregate Fractional Undivided Interest in the Trust will be issued to the designated transferee or transferees. 

The Certificates are issuable only as registered Certificates without coupons in minimum denominations of $2,000 (or such other denomination
that is the lowest integral multiple of $1,000 that is, at the time of issuance, equal to at least 1,000 euros) Fractional Undivided Interest and integral multiples of $1,000 in excess thereof except that one Certificate may be issued in a different
denomination. As provided in the Agreement and subject to certain limitations therein set forth, the Certificates are exchangeable for new Certificates of authorized denominations evidencing the same aggregate Fractional Undivided Interest in the
Trust, as requested by the Certificateholder surrendering the same. 
 No service charge will be made for any such registration of transfer
or exchange, but the Trustee shall require payment of a sum sufficient to cover any tax or governmental charge payable in connection therewith. 

The Company, the Trustee, the Registrar and any Paying Agent shall deem and treat the Person in whose name this Certificate is registered as
the owner hereof for all purposes, and none of the Company, the Trustee, the Registrar or any such agent shall be affected by any notice to the contrary. 

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 Each Certificateholder and Person with a beneficial interest herein, by its acceptance of this
Certificate or such interest, agrees to treat the Trust as a grantor trust for all U.S. federal, state and local income tax purposes. 
 The
obligations and responsibilities created by the Agreement and the Trust created thereby shall terminate upon the distribution to Certificateholders of all amounts required to be distributed to them pursuant to the Agreement and the disposition of
all property held as part of the Trust Property. 
 Any Person acquiring or accepting this Certificate or an interest herein will, by such
acquisition or acceptance, be deemed to (a) represent and warrant to the Company, the Loan Trustees and the Trustee that either: (i) no assets of a Plan or any trust established with respect to a Plan have been used to purchase or hold
this Certificate or an interest herein or (ii) the purchase and holding of this Certificate or interest herein by such Person are exempt from the prohibited transaction restrictions of ERISA and the Code or provisions of Similar Law pursuant to
one or more prohibited transaction statutory or administrative exemptions or similar exemptions under Similar Law; and (b) direct the Trustee to invest the assets held in the Trust pursuant to, and take all other actions contemplated by, the
terms and conditions of the Basic Agreement, this Trust Supplement, the Intercreditor Agreement, the NPA and each Participation Agreement. 

THIS CERTIFICATE AND THE AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAW OF THE STATE OF NEW YORK, INCLUDING ALL
MATTERS OF CONSTRUCTION, VALIDITY AND PERFORMANCE. 
 Unless the certificate of authentication hereon has been executed by the Trustee,
by manual signature, this Certificate shall not be entitled to any benefit under the Agreement or be valid for any purpose. 

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 IN WITNESS WHEREOF, the Trustee has caused this Certificate to be duly executed. 

 

			
	AMERICAN AIRLINES PASS THROUGH TRUST 2016-1AA
		
	By:	 	WILMINGTON TRUST COMPANY,
		 	as Trustee
		
	By:	 	  

		 	Name:
		 	Title:

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 TRUSTEE’S CERTIFICATE OF AUTHENTICATION 

This is one of the Certificates referred to in the within-mentioned Agreement. 

 

			
	WILMINGTON TRUST COMPANY,
	as Trustee
		
	By:	 	  

		 	Authorized Officer

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 [FORM OF TRANSFER NOTICE] 

FOR VALUE RECEIVED the undersigned registered holder hereby sell(s), assign(s) and transfer(s) unto 

Insert Taxpayer Identification No. 
  

                       
                              

Please print or typewrite name and address including zip code of assignee 
  

                       
                              

the within Certificate and all rights thereunder, hereby irrevocably constituting and appointing
                                         attorney
to transfer said Certificate on the books of the Trustee with full power of substitution in the premises. 
  

									
	Date:	 	  
	 		  	  

		 		 		  	NOTICE: The signature to this assignment must correspond with the name as written upon the face of the within-mentioned instrument in every particular, without alteration or any
change whatsoever.
					
		 		 		  	SIGNATURE GUARANTEE:	  	  

 Signatures must be guaranteed by an “eligible guarantor institution” meeting the requirements of the
Registrar, which requirements include membership or participation in the Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Registrar in addition to,
or in substitution for, STAMP, all in accordance with the Securities Exchange Act of 1934, as amended. 

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

 EXHIBIT B to 

TRUST SUPPLEMENT NO. 2016-1AA 

DTC LETTER OF REPRESENTATIONS 

  

					
		  		  	Trust Supplement No. 2016-1AA
		  		  	American Airlines Aircraft EETC

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