Document:

EX-4.3

 Exhibit 4.3 
 EXECUTION VERSION 
 AMENDMENT NO. 1 TO INTERCREDITOR AGREEMENT (2012-2C)

 AMENDMENT NO. 1 TO INTERCREDITOR AGREEMENT (2012-2C) dated as of June 6, 2013 (this “Amendment
No. 1”) is made by and among WILMINGTON TRUST COMPANY, a Delaware trust company, not in its individual capacity but solely as Trustee (the “Class C Trustee”) under the US Airways Pass Through Trust 2012-2C, US AIRWAYS,
INC. (“US Airways”), a Delaware corporation, and WILMINGTON TRUST COMPANY, not in its individual capacity except as expressly set forth herein but solely as Subordination Agent and Trustee. 

W I T N E S S E T H: 
 WHEREAS, the Class A Trustee, the Class B Trustee, Landesbank Hessen-Thüringen Girozentrale, as Class A Liquidity Provider and Class B Liquidity Provider (the “Liquidity
Provider”) and the Subordination Agent have heretofore entered into the Intercreditor Agreement (2012-2C), dated as of December 13, 2012 (the “Agreement”); 

WHEREAS, pursuant to each Trust Indenture, US Airways will issue on a recourse basis a single series of Series C Equipment Notes
to refinance the related Aircraft; 
 WHEREAS, US Airways will enter into a Class C Trust Agreement with the Class C
Trustee to establish the Class C Trust; 
 WHEREAS, pursuant to the Series C Note Purchase Agreement, the Class C Trust
will acquire the Series C Equipment Notes having an interest rate equal to the Stated Interest Rate applicable to the Class C Certificates to be issued by the Class C Trust; 
 WHEREAS, pursuant to the Class C Trust Agreement, the Class C Trust will issue a single class of Class C Certificates having the interest rate and the final distribution date described in the Class
C Trust Agreement on the terms and subject to the conditions set forth therein; 
 WHEREAS, Section 9.1(d) of the
Agreement provides that, in connection with such issuance of Class C Certificates, the Agreement shall be amended by written agreement of US Airways and the Subordination Agent to give effect to such issuance and to provide for the subordination of
the Class C Certificates to the Administration Expenses, the Liquidity Obligations, the Class A Certificates, the Class B Certificates (except with respect to “Adjusted Interest” for the Class C Certificates) and otherwise as provided
therein; 
 WHEREAS, the parties hereto wish to amend the Agreement pursuant to Section 9.1(d) thereof; and

 WHEREAS, US Airways has obtained a Ratings Confirmation relating to the issuance of
the Class C Certificates and this Amendment No. 1, as required by Section 9.1(d) of the Agreement; 
 NOW,
THEREFORE, in consideration of the mutual agreements herein contained, and for other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the parties hereto agree as follows: 

Section 1. Definitions. Capitalized terms and phrases used and not otherwise defined herein shall for all purposes of
this Amendment No. 1, including the recital of the parties and the other preceding recitals, have the respective meanings specified therefor in the Agreement. 
 Section 2. Amendment. Effective as of the date hereof, the Agreement shall be amended as follows: 
 (a) all references to “this Agreement” in the Agreement shall be deemed to refer to the Agreement as amended by this Amendment No. 1, and all references in the Agreement or in any other
Operative Agreement to the Agreement shall be deemed to refer to the Agreement as amended by this Amendment No. 1; 
 (b)
the Class C Trustee shall be added as a party to the Agreement; 
 (c) Section 1.1 of the Agreement shall be amended
further by adding in alphabetic order within said Section the following new definitions: 
 “Series C Note Purchase
Agreement” means the Note Purchase Agreement, dated as of June 6, 2013, among US Airways, the Class C Trustee, the Subordination Agent and the Indenture Trustee, as amended, supplemented or otherwise modified from time to time in
accordance with its terms providing, among other things, for the issuance of the Class C Certificates and the purchase of the Series C Equipment Notes on such date.”; 
 (d) Section 1.1 of the Agreement shall be amended further by amending and restating in their entirety the below definitions to read as follows: 

“Class B Adjusted Interest” means, as of any Current Distribution Date: (I) any interest described in
clause (II) of this definition accruing prior to the immediately preceding Distribution Date which remains unpaid and (II) interest at the Stated Interest Rate for the Class B Certificates (A) for the number of days during the period
commencing on, and including, the immediately preceding Distribution Date (or, if the Current Distribution Date is the first Distribution Date, with respect to the Class B Certificates, the Closing Date) and ending on, but excluding the Current
Distribution Date, on the Preferred B Pool Balance on such Current Distribution Date and (B) on the principal amount calculated pursuant to clauses (B)(i), (ii), (iii) and (iv) of the definition of Preferred B Pool Balance for
each Series B Equipment Note with respect to which a disposition, distribution, sale or Deemed Disposition Event has occurred since the immediately preceding Distribution Date (but only if no such event has previously occurred with respect to such
Series B Equipment Note), for each day during the period, for each such Series B Equipment Note, commencing on, and including, the immediately preceding Distribution Date (or, if the Current Distribution Date is the first Distribution Date, with
respect 

  
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to the Class B Certificates, the Closing Date) and ending on, but excluding the date of disposition, distribution, sale or Deemed Disposition Event with respect to such Series B Equipment Note,
Aircraft or Collateral, as the case may be. 
 “Class C Adjusted Interest” means, as of any Current
Distribution Date: (I) any interest described in clause (II) of this definition accruing prior to the immediately preceding Distribution Date which remains unpaid and (II) interest at the Stated Interest Rate for the Class C
Certificates (A) for the number of days during the period commencing on, and including, the immediately preceding Distribution Date (or, if the Current Distribution Date is the first Distribution Date, with respect to the Class C Certificates,
June 6, 2013) and ending on, but excluding the Current Distribution Date, on the Preferred C Pool Balance on such Current Distribution Date and (B) on the principal amount calculated pursuant to clauses (B)(i), (ii), (iii) and
(iv) of the definition of Preferred C Pool Balance for each Series C Equipment Note with respect to which a disposition, distribution, sale or Deemed Disposition Event has occurred since the immediately preceding Distribution Date (but only if
no such event has previously occurred with respect to such Series C Equipment Note), for each day during the period, for each such Series C Equipment Note, commencing on, and including, the immediately preceding Distribution Date (or, if the Current
Distribution Date is the first Distribution Date, with respect to the Class C Certificates, June 6, 2013) and ending on, but excluding the date of disposition, distribution, sale or Deemed Disposition Event with respect to such Series C
Equipment Note, Aircraft or Collateral, as the case may be.” 
 “Expected Distributions” means, with
respect to the Certificates of any Trust on any Current Distribution Date, the difference between (A) the Pool Balance of such Certificates as of the immediately preceding Distribution Date (or, if the Current Distribution Date is the first
Distribution Date, with respect to such Certificates, the original aggregate face amount of the Certificates of such Trust) and (B) the Pool Balance of such Certificates as of the Current Distribution Date calculated on the basis that
(i) the principal of the Non-Performing Equipment Notes held in such Trust has been paid in full and such payments have been distributed to the holders of such Certificates, (ii) the principal of the Performing Equipment Notes held in such
Trust has been paid when due (without giving effect to any Acceleration of Performing Equipment Notes) and such payments have been distributed to the holders of such Certificates and (iii) the principal of any Equipment Notes formerly held in
such Trust that have been sold pursuant to the terms hereof has been paid in full and such payments have been distributed to the holders of such Certificates, but without giving effect to any reduction in the Pool Balance as a result of any
distribution attributable to Deposits occurring after the immediately preceding Distribution Date (or, if the Current Distribution Date is the first Distribution Date, with respect to such Certificates, occurring after the initial issuance of the
Certificates of such Trust). For purposes of calculating Expected Distributions with respect to the Certificates of any Trust, any Premium paid on the Equipment Notes held in such Trust which has not been distributed to the Certificateholders of
such Trust (other than such Premium or a portion thereof applied to the payment of interest on the Certificates of such Trust or the reduction of the Pool Balance of such Trust) shall be added to the amount of such Expected Distributions.”;

 “Final Legal Distribution Date” means (i) with respect to the Class A Certificates,
December 3, 2026, (ii) with respect to the Class B Certificates, December 3, 2022 and (ii) with respect to the Class C Certificates, June 3, 2018.”; 

  
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 “Financing Agreement” means each of the Participation Agreements, the Trust
Indentures, the Note Purchase Agreement and the Series C Note Purchase Agreement.”; and 
 “Stated Interest
Rate” means (i) with respect to the Class A Certificates, 5.90% per annum, (ii) with respect to the Class B Certificates, 8.00% per annum and (iii) with respect to the Class C Certificates, 5.45% per
annum.” 
 Section 3. No Other Amendments. Except as expressly provided in this Amendment No. 1,
all of the terms and conditions of the Agreement shall remain in full force and effect and are hereby ratified and confirmed. 

Section 4. Miscellaneous. The terms of this Amendment No. 1 shall be binding upon, inure to the benefit of, and
be enforceable by, the parties hereto and their respective successors and assigns. The terms of this Amendment No. 1 shall in all respects be governed by, and construed in accordance with, the law of the State of New York, including all matters
of construction, validity and performance. This Amendment No. 1 may be executed in any number of counterparts, all of which taken together shall constitute one and the same amendatory instrument and any of the parties hereto may execute this
Amendment No. 1 by signing any such counterpart. 
 [signature page follows] 

  
 4 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment No. 1 to
Intercreditor Agreement (2012-2C) to be duly executed as of the day and year first above written. 
  

			
	WILMINGTON TRUST COMPANY,
	not in its individual capacity but solely as Trustee for the Class C Trust
		
	By	 	 /s/ Chad May

	Name:	 	Chad May
	Title:	 	Assistant Vice President
	
	 WILMINGTON TRUST COMPANY,
 not in its individual capacity except as expressly set forth herein but solely as Subordination Agent and trustee

		
	By	 	 /s/ Chad May

	Name:	 	Chad May
	Title:	 	Assistant Vice President

 
			
	US AIRWAYS, INC.
		
	By	 	 /s/ Thomas T. Weir

	Name:	 	Thomas T. Weir
	Title:	 	Vice President and TreasurerEX-4.4

 Exhibit 4.4 
 EXECUTION VERSION 
 DEPOSIT AGREEMENT 

(Class C) 
 Dated
as of June 6, 2013 
 between 
 WILMINGTON TRUST, NATIONAL ASSOCIATION 
 as Escrow Agent 

and 
 THE BANK OF
NEW YORK MELLON 
 as Depositary 

 TABLE OF CONTENTS 

 

					
	 	  	Page	 
		
	 SECTION 1.1 Acceptance of Depositary.
	  	 	2	  
		
	 SECTION 1.2 Establishment of Accounts.
	  	 	2	  
		
	 SECTION 2.1 Deposits.
	  	 	2	  
		
	 SECTION 2.2 Interest.
	  	 	2	  
		
	 SECTION 2.3 Withdrawals.
	  	 	2	  
		
	 SECTION 2.4 Other Accounts.
	  	 	3	  
		
	 SECTION 3. Termination.
	  	 	4	  
		
	 SECTION 4. Payments.
	  	 	4	  
		
	 SECTION 5. Representation and Warranties.
	  	 	4	  
		
	 SECTION 6. Transfer.
	  	 	5	  
		
	 SECTION 7. Amendment, Etc.
	  	 	6	  
		
	 SECTION 8. Notices.
	  	 	6	  
		
	 SECTION 9. Obligations Unconditional.
	  	 	6	  
		
	 SECTION 10. Entire Agreement.
	  	 	7	  
		
	 SECTION 11. Governing Law.
	  	 	7	  
		
	 SECTION 12. Submission to Non-Exclusive Jurisdiction in New York.
	  	 	7	  
		
	 SECTION 13. Waiver of Jury Trial Right.
	  	 	7	  
		
	 SECTION 14. Counterparts.
	  	 	7	  
		
	 SECTION 15. Rights of Receiptholders.
	  	 	7	  
		
	 SECTION 16. Limitation on Damages.
	  	 	7	  
		
	 SECTION 17. Miscellaneous.
	  	 	8	  
		
	 SECTION 18. Security Procedures.
	  	 	9	  

  
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 DEPOSIT AGREEMENT (Class C) dated as of June 6, 2013 (as amended, modified or
supplemented from time to time, this “Agreement”) between WILMINGTON TRUST, NATIONAL ASSOCIATION, a Delaware trust company, as Escrow Agent under the Escrow and Paying Agent Agreement referred to below (in such capacity, together
with its successors in such capacity, the “Escrow Agent”), and THE BANK OF NEW YORK MELLON, as depositary bank (the “Depositary”). 
 W I T N E S S E T H 
 WHEREAS, US Airways, Inc. (“US Airways”) and Wilmington Trust Company, not in its individual capacity except as otherwise expressly provided therein, but solely as trustee (in such
capacity, together with its successors in such capacity, the “Pass Through Trustee”) have entered into a Trust Supplement, dated as of June 6, 2013 (the “Trust Supplement”) to the Pass Through Trust Agreement
dated as of December 21, 2010 (together, as amended, modified or supplemented from time to time in accordance with the terms thereof, the “Pass Through Trust Agreement”) relating to US Airways Pass Through Trust 2012-2C-O
pursuant to which the US Airways Pass Through Trust, Series 2012-2C-O Certificates referred to therein (the “Certificates”) are being issued (the date of such issuance, the “Issuance Date”); 

WHEREAS, US Airways and Goldman, Sachs & Co., as Underwriter (the “Underwriter” and, together with its
transferees and assigns as registered owners of the Certificates, the “Investors”) have entered into an Underwriting Agreement dated as of May 22, 2013 pursuant to which the Pass Through Trustee will issue and sell the
Certificates to the Underwriters; 
 WHEREAS, US Airways and the Pass Through Trustee are entering into the Series C Note
Purchase Agreement, dated as of the date hereof (the “Note Purchase Agreement”), pursuant to which the Pass Through Trustee has agreed to acquire from time to time on or prior to the Delivery Period Termination Date (as defined in
the Note Purchase Agreement) equipment notes (the “Equipment Notes”) issued to finance certain aircraft to be acquired by US Airways, as owner, utilizing a portion of the proceeds from the sale of the Certificates (the “Net
Proceeds”); 
 WHEREAS, the Escrow Agent, the Underwriters, the Pass Through Trustee and Wilmington Trust Company, as
paying agent for the Escrow Agent (in such capacity, together with its successors in such capacity, the “Paying Agent”) concurrently herewith are entering into an Escrow and Paying Agent Agreement, dated as of the date hereof (as
amended, modified or supplemented from time to time in accordance with the terms thereof, the “Escrow and Paying Agent Agreement”); and 
 WHEREAS, the Underwriters and the Pass Through Trustee intend that the Net Proceeds be held in escrow by the Escrow Agent on behalf of the Investors pursuant to the Escrow and Paying Agent Agreement,
subject to withdrawal upon request of and proper certification by the Pass Through Trustee for the purpose of purchasing Equipment Notes, and that pending such withdrawal the Net Proceeds be deposited by the Escrow Agent with the Depositary pursuant
to this Agreement, which provides for the Depositary to pay interest for distribution to the Investors and to establish accounts from which the Escrow Agent shall make withdrawals upon request of and proper certification by the Pass Through Trustee.

 NOW, THEREFORE, in consideration of the obligations contained herein, and for other good and
valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree as follows: 
 SECTION 1.1 Acceptance of Depositary. The Depositary hereby agrees to act as depositary bank as provided herein and in connection therewith to accept all amounts to be delivered to or held by the
Depositary pursuant to the terms of this Agreement. The Depositary further agrees to hold, maintain and safeguard the Deposits and the Accounts (as defined below) during the term of this Agreement in accordance with the provisions of this Agreement.
The Escrow Agent shall not have any right to withdraw, assign or otherwise transfer moneys held in the Accounts except as permitted by this Agreement. 
 SECTION 1.2 Establishment of Accounts. The Escrow Agent hereby instructs the Depositary, and the Depositary agrees, to establish the separate deposit accounts listed on Schedule I hereto and to
establish such additional separate deposit accounts as may be required in connection with the deposits contemplated by Section 2.4 hereof (each, an “Account” and collectively, the “Accounts”), each in the name
of the Escrow Agent and all on the terms and conditions set forth in this Agreement. 
 SECTION 2.1 Deposits. The Escrow
Agent shall direct the Underwriters to deposit with the Depositary on the date of this Agreement (the “Deposit Date”) in Federal (same day) funds by wire transfer to: The Bank of New York Mellon, ABA No. 021-000-018, Account
Name: Corporate Trust Agency, Account Number: GLA 111-565, For Further Credit: A/C No. 239039, Reference: US AIRWAYS 2012-2 C EETC INITIAL DEPOSIT ACCT, Attention: James Briggs, 212-815-3192, and the Depositary shall accept from the
Underwriters, on behalf of the Escrow Agent, the sum of US$100,000,000. Upon acceptance of such sum, the Depositary shall (i) establish each of the deposits specified in Schedule I hereto maturing on December 2, 2013 (including any deposit
made pursuant to Section 2.4 hereof, individually, a “Deposit” and, collectively, the “Deposits”) and (ii) credit each Deposit to the related Account as set forth therein. No amount shall be deposited in
any Account other than the related Deposit. 
 SECTION 2.2 Interest. Each Deposit shall bear interest from and including
the date of deposit to but excluding the date of withdrawal at the rate of 5.45% per annum (computed on the basis of a year of twelve 30-day months) payable to the Paying Agent on behalf of the Escrow Agent semi-annually in arrears on each
June 3 and December 3, commencing on June 3, 2013 (each, an “Interest Payment Date”), and on the date of the Final Withdrawal (as defined below), or the date of the Replacement Withdrawal (as defined below), as
applicable, all in accordance with the terms of this Agreement (whether or not any such Deposit is withdrawn on an Interest Payment Date). Interest accrued on any Deposit that is withdrawn pursuant to a Notice of Purchase Withdrawal (as defined
below) shall be paid on the next Interest Payment Date, notwithstanding any intervening Final Withdrawal (as defined below). 

SECTION 2.3 Withdrawals. (a) After the establishment of any Deposit, the Escrow Agent may, by providing at least three Business
Days’ prior notice of withdrawal to the 

  
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Depositary in the form of Exhibit A hereto (a “Notice of Purchase Withdrawal”), withdraw not less than the entire balance of such Deposit, except that at any time prior to the
actual withdrawal of such Deposit, the Escrow Agent or the Pass Through Trustee may, by notice to the Depositary, which notice has been actually received by the Depositary prior to such actual withdrawal, cancel such withdrawal (including on the
scheduled date therefor), and thereafter such Deposit shall continue to be maintained by the Depositary in accordance with the original terms thereof. Following such withdrawal the balance in the related Account shall be zero and the Depositary
shall close such Account. As used in this Agreement, “Business Day” means any day, other than a Saturday, Sunday or other day on which commercial banks are authorized or required by law to close in New York, New York, Phoenix,
Arizona or Wilmington, Delaware. 
 (b) (i) The Escrow Agent may, by providing at least 15 days’ prior notice of withdrawal
to the Depositary in the form of Exhibit B hereto (a “Notice of Final Withdrawal”), withdraw the entire amount of all of the remaining Deposits together with the payment by the Depositary of all accrued and unpaid interest on such
Deposits to but excluding the specified date of withdrawal (a “Final Withdrawal”), on such date as shall be specified in such Notice of Final Withdrawal. If a Notice of Final Withdrawal has not been given to the Depositary on or
before November 11, 2013 and there are unwithdrawn Deposits on such date, the Depositary shall pay the amount of the Final Withdrawal to the Paying Agent on December 2, 2013. 

(ii) The Escrow Agent may, by providing at least five Business Days’ prior notice of withdrawal to the Depositary in the form of
Exhibit C hereto (a “Notice of Replacement Withdrawal”), withdraw the entire amount of all Deposits then held by the Depositary together with all accrued and unpaid interest on such Deposits (including Deposits previously withdrawn
pursuant to a Notice of Purchase Withdrawal) to but excluding the specified date of withdrawal (a “Replacement Withdrawal”), on such date as shall be specified in such Notice of Replacement Withdrawal. 

(c) If the Depositary receives a duly completed Notice of Purchase Withdrawal, Notice of Final Withdrawal or Notice of Replacement
Withdrawal (each, a “Withdrawal Notice”) complying with the provisions of this Agreement, it shall make the payments specified therein in accordance with the provisions of this Agreement. Notwithstanding anything to the contrary
contained in this Agreement, in no event shall the Depositary be required, pursuant to any Withdrawal Notice or otherwise, to make payments hereunder on or in respect of any Deposit in excess of the amount of such Deposit together with accrued
interest thereon as provided in this Agreement. 
 SECTION 2.4 Other Accounts. On the date of withdrawal of any Deposit
(other than the date of the Final Withdrawal or Replacement Withdrawal), the Escrow Agent, or the Pass Through Trustee on behalf of the Escrow Agent, shall re-deposit with the Depositary any portion thereof not used to acquire Equipment Notes and
the Depositary shall accept the same for deposit hereunder. Any sums so received for deposit shall be established as a new Deposit and credited to a new Account, all as more fully provided in Section 2.1 hereof, and thereafter the provisions of
this Agreement shall apply thereto as fully and with the same force and effect as if such Deposit had been established on the Deposit Date except that (i) such Deposit may not be withdrawn prior to the date seven days after the establishment
thereof and (ii) such Deposit shall mature on December 2, 2013 and bear interest as provided in Section 2.2. The Depositary shall promptly give notice to the Escrow Agent of receipt of each such re-deposit and the account number
assigned thereto. 

  
 -3-

 SECTION 3. Termination. This Agreement shall terminate on the fifth Business Day
after the later of the date on which (i) all of the Deposits shall have been withdrawn and paid as provided herein without any re-deposit and (ii) all accrued and unpaid interest on the Deposits shall have been paid as provided herein, but
in no event prior to the date on which the Depositary shall have performed in full its obligations hereunder. 
 SECTION 4.
Payments. All payments made by the Depositary hereunder shall be paid in United States Dollars and immediately available funds by wire transfer (i) in the case of accrued interest on the Deposits payable under Section 2.2 hereof or
any Final Withdrawal, directly to the Paying Agent at Wilmington Trust Company, Wilmington, DE, ABA# 031100092, Account No. 105178-000, Attention: Robert Hines, Telephone No.: (302) 636-6197, Reference: US Airways 2012-2 Paying Agent
Account, or to such other account as the Paying Agent may direct from time to time in writing to the Depositary and the Escrow Agent and (ii) in the case of any withdrawal of one or more Deposits pursuant to a Notice of Purchase Withdrawal or
Notice of Replacement Withdrawal, directly to or as directed by the Pass Through Trustee as specified and in the manner provided in such Notice of Purchase Withdrawal or Notice of Replacement Withdrawal. The Depositary hereby waives any and all
rights of set-off, combination of accounts, right of retention or similar right (whether arising under applicable law, contract or otherwise) it may have against the Deposits howsoever arising. To the extent permitted by applicable law, all payments
on or in respect of each Deposit shall be made free and clear of and without reduction for or on account of any and all taxes, levies or other impositions or charges (collectively, “Taxes”). However, if the Depositary (or if the
Paying Agent shall have notified the Depositary that the Paying Agent (pursuant to Section 2.04 of the Escrow and Paying Agent Agreement)) shall be required by law to deduct or withhold any Taxes from or in respect of any sum payable hereunder,
the Depositary shall (i) make, or cause to be made, such deductions or withholding and (ii) pay, or cause to be paid, the full amount deducted or withheld in accordance with applicable law. If the date on which any payment due on any
Deposit would otherwise fall on a day which is not a Business Day, such payment shall be made on the next succeeding Business Day, and no additional interest shall accrue in respect of such extension. 

SECTION 5. Representation and Warranties. The Depositary hereby represents and warrants to US Airways, the Escrow Agent, the Pass
Through Trustee and the Paying Agent that: 
 (a) it is a New York banking corporation duly organized and validly
existing in good standing under the laws of its jurisdiction of organization; 
 (b) it has full power, authority
and legal right to conduct its business and operations as currently conducted and to enter into and perform its obligations under this Agreement; 
 (c) the execution, delivery and performance of this Agreement have been duly authorized by all necessary corporate action on the part of it and do not require any stockholder approval, or approval or
consent of any trustee or holder of any 

  
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indebtedness or obligations of it, and this Agreement has been duly executed and delivered by it and constitutes its legal, valid and binding obligations enforceable against it in accordance with
the terms hereof; 
 (d) no authorization, consent or approval of or other action by, and no notice to or filing
with, any United States federal or state governmental authority or regulatory body is required for the execution, delivery or performance by it of this Agreement; 

(e) neither the execution, delivery or performance by it of this Agreement, nor compliance with the terms and provisions
hereof, conflicts or will conflict with or results or will result in a breach or violation of any of the terms, conditions or provisions of, or will require any consent or approval under, any law, governmental rule or regulation or the charter
documents, as amended, or bylaws, as amended, of it or any similar instrument binding on it or any order, writ, injunction or decree of any court or governmental authority against it or by which it or any of its properties is bound or of any
indenture, mortgage or contract or other agreement or instrument to which it is a party or by which it or any of its properties is bound, or constitutes or will constitute a default thereunder or results or will result in the imposition of any lien
upon any of its properties; and 
 (f) there are no pending or, to its knowledge, threatened actions, suits,
investigations or proceedings (whether or not purportedly on behalf of it) against or affecting it or any of its property before or by any court or administrative agency (except, in the case of the immediately following clause (i), as set forth in
Part II, Item 1 – Legal Proceedings of the Form 10-Q of The Bank of New York Mellon Corporation for the quarterly period ended September 30, 2011 plus any relevant 8-K filed with the Securities and Exchange Commission) which, if
adversely determined, (i) would adversely affect the ability of it to perform its obligations under this Agreement or (ii) would call into question or challenge the validity of this Agreement or the enforceability hereof in accordance with
the terms hereof, nor is the Depositary in default with respect to any order of any court, governmental authority, arbitration board or administrative agency so as to adversely affect its ability to perform its obligations under this Agreement.

 SECTION 6. Transfer. Neither party hereto shall be entitled to assign or otherwise transfer this Agreement (or any
interest herein) other than (in the case of the Escrow Agent) to a successor escrow agent under the Escrow and Paying Agent Agreement and other than (in the case of the Depositary) to any entity into which the Depositary shall merge or with which it
shall be consolidated, and any purported assignment in violation thereof shall be void. This Agreement shall be binding upon the parties hereto and their respective successors and (in the case of the Escrow Agent) permitted assigns. Upon the
occurrence of the Transfer (as defined below) contemplated by the Assignment and Assumption Agreement (as defined below), the Pass Through Trustee shall (without further act) be deemed to have transferred all of its right, title and interest in and
to this Agreement to the trustee of the Successor Trust (as defined below) and, thereafter, the trustee of the Successor Trust shall be deemed to be the “Pass Through Trustee” hereunder with the rights of the “Pass Through
Trustee” hereunder, and each reference herein to “US Airways Pass Through Trust 2012-2C-O” shall be deemed to be a reference to 

  
 -5-

 
“US Airways Pass Through Trust 2012-2C-S”. The Escrow Agent and the Depositary hereby acknowledge and consent to the Transfer contemplated by the Assignment and Assumption Agreement.
For the purposes of this Section 6, “Transfer” means the transfer contemplated by the Assignment and Assumption Agreement; “Assignment and Assumption Agreement” means the Assignment and Assumption Agreement to
be entered into between the Pass Through Trustee and the trustee of the Successor Trust, substantially in the form of Exhibit C to the Trust Supplement; and “Successor Trust” means the US Airways Pass Through Trust 2012-2C-S.

 SECTION 7. Amendment, Etc. This Agreement may not be amended, waived or otherwise modified except by an instrument in
writing signed by the party against whom the amendment, waiver or other modification is sought to be enforced and by the Pass Through Trustee. 
 SECTION 8. Notices. Unless otherwise expressly provided herein, any notice or other communication under this Agreement shall be in writing (including by facsimile) and shall be deemed to be given
and effective upon receipt thereof. All notices shall be sent to (x) in the case of the Depositary, The Bank of New York Mellon, 101 Barclay Street, Floor 8W, New York, New York 10286, Attention: James Briggs (Telecopier: (212) 815-5707,
Email cc: james.briggs@bnymellon.com) at the foregoing address or (y) in the case of the Escrow Agent, Wilmington Trust, National Association, 1100 North Market Street, Wilmington, DE 19890-1605, Attention: Corporate Trust Administration, in
each case, with a copy to the Pass Through Trustee, Wilmington Trust Company, 1100 North Market Street, Wilmington, DE 19890-1605, Attention: Corporate Capital Market Services (Telecopier: (302) 636-4140) and to US Airways, Inc., 111 West Rio
Salado Parkway, Tempe, Arizona 85281, Attention: Vice President and Treasurer (Telecopier: (480) 693-5886) with a copy to: Deputy General Counsel (Telecopier: (480) 693-5932) (or at such other address as any such party may specify from
time to time in a written notice to the parties hereto). On or prior to the execution of this Agreement, the Escrow Agent has delivered to the Depositary a certificate containing specimen signatures of the representatives of the Escrow Agent who are
authorized to give notices and instructions with respect to this Agreement. The Depositary may conclusively rely on such certificate until the Depositary receives written notice from the Escrow Agent to the contrary. 

The Depositary shall have the right, but shall not be required, to rely upon and comply with instructions and directions sent by e-mail
by persons believed by the Depositary to be authorized to give instructions and directions on behalf of the Escrow Agent. The Depositary shall have no duty or obligation to verify or confirm that the person who sent such instructions or directions
is, in fact, a person authorized to give instructions or directions on behalf of the Escrow Agent; and the Depositary shall have no liability for any losses, liabilities, costs or expenses incurred or sustained by the Escrow Agent as a result of
such reliance upon or compliance with such instructions or directions. The Escrow Agent agrees to assume all risks arising out of the use of e-mail to submit instructions and directions to the Depositary, including without limitation the risk of the
Depositary acting on unauthorized instructions, and the risk of interception and misuse by third parties. 
 SECTION 9.
Obligations Unconditional. The Depositary hereby acknowledges and agrees that its obligation to repay each Deposit together with interest thereon as provided herein is absolute, irrevocable and unconditional and constitutes a full recourse
obligation of the Depositary enforceable against it to the full extent of all of its assets and properties. 

  
 -6-

 SECTION 10. Entire Agreement. This Agreement (including all attachments hereto) sets
forth all of the promises, covenants, agreements, conditions and understandings between the Depositary and the Escrow Agent with respect to the subject matter hereof and supersedes all prior and contemporaneous agreements and undertakings,
inducements or conditions, express or implied, oral or written. 
 SECTION 11. Governing Law. This Agreement, and the
rights and obligations of the Depositary and the Escrow Agent with respect to the Deposits, shall be governed by, and construed in accordance with, the law of the State of New York and subject to the provisions of Regulation D of the Board of
Governors of the Federal Reserve System (or any successor), as the same may be modified and supplemented and in effect from time to time. 
 SECTION 12. Submission to Non-Exclusive Jurisdiction in New York. Each of the parties hereto, to the extent it may do so under applicable law, hereby (a) 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 their successors or permitted assigns and (b) 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. 
 SECTION 13.
Waiver of Jury Trial Right. EACH OF THE DEPOSITARY AND THE ESCROW AGENT ACKNOWLEDGES AND ACCEPTS THAT IN ANY SUIT, ACTION OR PROCEEDING ARISING OUT OF OR RELATING TO THIS AGREEMENT SUCH PARTY IRREVOCABLY WAIVES ITS RIGHT TO A TRIAL BY JURY.

 SECTION 14. Counterparts. This Agreement may be executed in one or more counterparts, all of which taken together
shall constitute one instrument. 
 SECTION 15. Rights of Receiptholders. The Depositary acknowledges that, if the
Depositary shall fail to pay when due hereunder any interest on the Deposits or the Final Withdrawal, the “Receiptholders” (as defined in the Escrow and Paying Agent Agreement) shall have the right to claim directly against the Depositary
and that any such claim shall not be subject to defenses that the Depositary may have against the Escrow Agent. 
 SECTION 16.
Limitation on Damages. In no event shall the Depositary be responsible or liable for special, indirect, punitive, or consequential loss or damage of any kind whatsoever (including, but not limited to, loss of profit, whether or not
foreseeable) suffered by Escrow Agent or any of the Receiptholders (as defined in the Escrow and Paying Agent Agreement) in connection with this Agreement or the transaction contemplated or any relationships established by this Agreement
irrespective of whether the Depositary has been 

  
 -7-

 
advised of the likelihood of such loss or damage and regardless of the form of action. In the event of any conflict or inconsistency between any provision in this Agreement and a provision in any
other document, the provisions of this Agreement shall control. 
 SECTION 17. Miscellaneous. (a) The Depositary shall
have only those duties as are specifically and expressly provided herein and no other duties shall be implied. The Depositary may rely upon and shall not be liable for acting or refraining from acting upon any written notice, document, instruction
or request furnished to it hereunder and believed by it to be genuine and to have been signed or presented by the Escrow Agent without inquiry and without requiring substantiating evidence of any kind. The Depositary shall be under no duty to
inquire into or investigate the validity, accuracy or content of any such document, notice, instruction or request. The Depositary shall have no duty to solicit any payments, including, without limitation, the Deposits. 

(b) The Depositary shall not be liable for any action taken, suffered or omitted to be taken by it in good faith except to the extent
that a final adjudication of a court of competent jurisdiction determines that the Depositary’s gross negligence or willful misconduct was the primary cause of any loss. The Depositary may execute any of its powers and perform any of its duties
hereunder directly or through agents or attorneys, and shall be liable only for its gross negligence or willful misconduct (as finally adjudicated in a court of competent jurisdiction) in the selection of any such agent or attorney. The Depositary
may consult with counsel, accountants and other skilled persons to be selected and retained by it. The Depositary shall not be liable for any action taken, suffered or omitted to be taken by it in accordance with, or in reliance upon, the advice or
opinion of any such counsel, accountants or other skilled persons. In the event that the Depositary shall be uncertain or believe there is some ambiguity as to its duties or rights hereunder or shall receive instructions, claims or demands from any
party hereto which, in its opinion, conflict with any of the provisions of this Agreement, it shall be entitled to refrain from taking any action and its sole obligation shall be to keep safely all property held hereunder until it shall be given a
direction in writing by the Escrow Agent which eliminates such ambiguity or uncertainty to the satisfaction of Depositary or by a final and non-appealable order or judgment of a court of competent jurisdiction. 

(c) (i) Section 326 of the Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct
Terrorism Act of 2001 (“USA PATRIOT Act”) requires the Depositary to implement reasonable procedures to verify the identity of any person that opens a new account with it. Accordingly, the Escrow Agent acknowledges that
Section 326 of the USA PATRIOT Act and the Depositary’s identity verification procedures require the Depositary to obtain information which may be used to confirm the Escrow Agent’s identity including without limitation name, address
and organizational documents (“identifying information”). The Escrow Agent agrees to provide the Depositary with and consents to the Depositary obtaining from third parties any such identifying information required as a condition of
opening an account with or using any service provided by the Depositary. 
 (ii) Depositary agrees that upon the
reasonable request of the Escrow Agent, it will provide to the Escrow Agent such information and documents as the Escrow Agent may require (x) to satisfy applicable anti-money laundering laws and regulations,

  
 -8-

 
including the USA PATRIOT Act, the regulations administered by the U.S. Department of Treasury’s Office of Foreign Assets Control (“OFAC”), and other applicable U.S.
anti-money laundering laws and regulations (collectively, the “anti-money laundering/OFAC laws”), or (y) to meet the requirements of the Escrow Agent’s internal know your customer policies and procedures adopted in
accordance with the anti-money laundering/OFAC laws. 
 (d) The Escrow Agent has provided the Depositary with its fully executed
Internal Revenue Service (“IRS”) Form W-9. The Escrow Agent represents that its correct TIN assigned by the IRS, or any other taxing authority, is set forth in the delivered form. Any United States federal, state or local income or
franchise tax returns required to be filed will, to the greatest extent permitted by applicable law, be prepared and filed by the Escrow Agent with the IRS and any other taxing authority as required by law. The Escrow Agent acknowledges and agrees
that the Depositary shall have no responsibility for the preparation and/or filing of any United States federal, state or local income, franchise or other tax return with respect to the Deposits or any income earned by the Deposits other than any
such responsibility that cannot be assigned to, or assumed by the Escrow Agent under applicable law. 
 (e) No party to this
Agreement is liable to any other party for losses due to, or if it is unable to perform its obligations under the terms of this Agreement because of, acts of God, fire, war, terrorism, floods, strikes, electrical outages, equipment or transmission
failure, or other causes reasonably beyond its control. If any provision of this Agreement is determined to be prohibited or unenforceable by reason of any applicable law of a jurisdiction, then such provision shall, as to such jurisdiction, be
ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions thereof, and any such prohibition or unenforceability in such jurisdiction shall not invalidate or render unenforceable such provisions
in any other jurisdiction. 
 SECTION 18. Security Procedures. With respect to all funds transfer instructions that are
given pursuant to this Agreement (other than in writing at the time of execution of this Agreement), whether in writing, by facsimile or otherwise, the Depositary is authorized to seek confirmation of such instructions by telephone call-back to the
person or persons designated on Schedule II hereto (“Schedule II”), and the Depositary may rely upon the confirmation of anyone purporting to be the person or persons so designated. Each funds transfer instruction shall be executed by an
authorized signatory, a list of such authorized signatories is set forth on Schedule II. The persons and telephone numbers for call-backs may be changed only in a writing actually received and acknowledged by the Depositary. If the Depositary is
unable to contact any of the authorized representatives identified in Schedule II, the Depositary is hereby authorized to seek confirmation of such instructions by telephone call-back to any one or more of Escrow Agent’s executive officers
(“Executive Officers”), as the case may be, which shall include the titles of Assistant Vice President or Vice President, as the Depositary may select. Such “Executive Officer” shall deliver to the Depositary a fully executed
incumbency certificate, and the Depositary may rely upon the confirmation of anyone purporting to be any such officer. The Depositary and the beneficiary’s bank in any funds transfer may rely solely upon any account numbers or similar
identifying numbers provided by the Escrow Agent to identify (a) the beneficiary, (b) the beneficiary’s bank, or (c) an intermediary bank. The Depositary may apply any of the funds for any payment order it executes using any such
identifying number, even when its use may result in a person other than the beneficiary being 

  
 -9-

 
paid, or the transfer of funds to a bank other than the beneficiary’s bank or an intermediary bank designated. The Escrow Agent acknowledges that these security procedures are commercially
reasonable. 

  
 -10-

 IN WITNESS WHEREOF, the Escrow Agent and the Depositary have caused this Deposit Agreement
to be duly executed as of the day and year first above written. 
  

					
	WILMINGTON TRUST, NATIONAL ASSOCIATION,
		 	as Escrow Agent
		
	By	 	 /s/ Rita Marie Ritrovato

		 	Name:	 	Rita Marie Ritrovato
		 	Title:	 	Assistant Vice President

 
					
	THE BANK OF NEW YORK MELLON,
		 	as Depositary
		
	By	 	 /s/ Latoya S. Elvin

		 	Name:	 	LATOYA S. ELVIN
		 	Title:	 	VICE PRESIDENT

 Schedule I 
 Schedule of Deposits 
 Class C 

 

											
	 Aircraft Type
	  	Expected Delivery
Month	  	Deposit Amount	 	  	Sub-Account No.	 
	 Airbus A321-211
	  	June 2013	  	$	6,498,000	  	  	 	239048	  
	 Airbus A321-211
	  	June 2013	  	$	6,498,000	  	  	 	239049	  
	 Airbus A321-211
	  	July 2013	  	$	6,511,000	  	  	 	239050	  
	 Airbus A321-211
	  	July 2013	  	$	6,511,000	  	  	 	239051	  
	 Airbus A321-231
	  	August 2013	  	$	6,531,000	  	  	 	239052	  
	 Airbus A330-243
	  	August 2013	  	$	13,649,000	  	  	 	239053	  
	 Airbus A330-243
	  	October 2013	  	$	13,696,000	  	  	 	239054	  

 Schedule II 
 Telephone Number(s) and authorized signature(s) for 
 Person(s) Designated to give Funds
Transfer Instructions 
 Escrow Agent: 
  

							
	  	  	 Name
	  	 Telephone Number
	  	 Signature

				
	1.	  	Robert Hines	  	302-636-6197	  	/s/ Robert P. Hines, Jr.
				
	2.	  	Chad May	  	302-636-6294	  	/s/ Chad May
				
	3.	  	Yulia Davydovitch	  	302-636-6293	  	/s/ Yulia Davydovitch

 Telephone Number(s) for Call-Backs and 
 Person(s) Designated to Confirm Funds Transfer Instructions 
 Escrow Agent:

  

							
	  	  	 Name
	  	 Telephone Number
	  	  
				
	1.	  	Robert Hines	  	302-636-6197	  	
				
	2.	  	Chad May	  	302-636-6294	  	
				
	3.	  	Yulia Davydovitch	  	302-636-6293	  	

 All funds transfer instructions must include the signature of the person(s) authorizing said funds transfer and must not
be the same person confirming said transfer. 

 EXHIBIT A 
 NOTICE OF PURCHASE WITHDRAWAL 
 The Bank of New York Mellon 

101 Barclay Street, Floor 8 West 
 New York, New
York 10286 
 Attention: Corporate Finance Unit, James Briggs 
 Reference: US Airways 2012-2 
 Telecopier: (212) 815-5707 

Gentlemen: 
 Reference is made
to the Deposit Agreement (Class C) dated as of June 6, 2013 (the “Deposit Agreement”) between Wilmington Trust, National Association, as Escrow Agent, and The Bank of New York Mellon, as Depositary (the
“Depositary”). 
 In accordance with Section 2.3(a) of the Deposit Agreement, the undersigned hereby
requests the withdrawal of the entire amount of the Deposit, $[        ], Account No.             . 

The undersigned hereby directs the Depositary to pay the entire amount of the Deposit to
            , Account No.     , Reference:             on
                 , 20    , upon the telephonic request of a representative of the Pass Through Trustee. 

 

			
		 	WILMINGTON TRUST, NATIONAL ASSOCIATION,
		 	as Escrow Agent
		
	By	 	  

		 	Name:
		 	Title:

 Dated:                  ,
20     

 EXHIBIT B 
 NOTICE OF FINAL WITHDRAWAL 
 The Bank of New York Mellon 

101 Barclay Street, Floor 8 West 
 New York, New
York 10286 
 Attention: Corporate Finance Unit, James Briggs 
 Reference: US Airways 2012-2 
 Telecopier: (212) 815-5707 

Gentlemen: 
 Reference is made
to the Deposit Agreement (Class C) dated as of June 6, 2013 (the “Deposit Agreement”) between Wilmington Trust, National Association, as Escrow Agent, and The Bank of New York Mellon, as Depositary (the
“Depositary”). 
 In accordance with Section 2.3(b)(i) of the Deposit Agreement, the undersigned hereby
requests the withdrawal of the entire amount of all Deposits. 
 The undersigned hereby directs the Depositary to pay the entire
amount of the Deposits and accrued interest thereon to the Paying Agent at Wilmington Trust Company, ABA# 031100092, Account No.             , Reference: US Airways 2012-2. 

 

			
		 	WILMINGTON TRUST, NATIONAL ASSOCIATION,
		 	as Escrow Agent
		
	By	 	  

		 	Name:
		 	Title:

 Dated:             , 20    

 EXHIBIT C 
 NOTICE OF REPLACEMENT WITHDRAWAL 
 The Bank of New York Mellon 

101 Barclay Street, Floor 8 West 
 New York, New
York 10286 
 Attention: Corporate Finance Unit, James Briggs 
 Reference: US Airways 2012-2 
 Telecopier: (212) 815-5707 

Gentlemen: 
 Reference is made
to the Deposit Agreement (Class C) dated as of June 6, 2013 (the “Deposit Agreement”) between Wilmington Trust, National Association, as Escrow Agent, and The Bank of New York Mellon, as Depositary (the
“Depositary”). 
 In accordance with Section 2.3(b)(ii) of the Deposit Agreement, the undersigned hereby
requests the withdrawal of the entire amount of all Deposits. 
 The undersigned hereby directs the Depositary to pay the entire
amount of the Deposits and accrued interest thereon to [            ], Reference: US Airways 2012-2. 

 

			
		 	WILMINGTON TRUST, NATIONAL ASSOCIATION,
		 	as Escrow Agent
		
	By	 	  

		 	Name:
		 	Title:

 Dated:             , 20

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