Document:

EX-10.11.8

 Exhibit 10.11.8 

***Text Omitted and Filed Separately with the Securities and Exchange Commission 

Confidential Treatment Requested Under 

17 C.F.R. Sections 200.80(b)(4) and 230.406 

SEVENTH AMENDMENT TO CODE SHARE AND 

REVENUE SHARING AGREEMENT AND SETTLEMENT, ASSIGNMENT 

AND ASSUMPTION AGREEMENT 

THIS SEVENTH AMENDMENT TO CODE SHARE AND REVENUE SHARING AGREEMENT AND SETTLEMENT, ASSIGNMENT AND ASSUMPTION AGREEMENT (“Seventh
Amendment”) is made and entered into as of September 10, 2007 (the “Effective Date”) by and among AMERICA WEST AIRLINES, INC., a Delaware corporation (“AWA” ), US AIRWAYS, INC., a Delaware corporation (“US
Airways”), MESA AIRLINES, INC., a Nevada corporation (“Mesa”), AIR MIDWEST, INC. a Kansas corporation (“AM”), and FREEDOM AIRLINES, INC., a Nevada corporation (“Freedom”). Mesa, AM and Freedom are referred to
collectively as the “Mesa Group”. 
 RECITALS: 

WHEREAS, AWA and the Mesa Group are parties to that certain Code Share and Revenue Sharing Agreement, dated to be effective February 1,
2001, as amended by that certain First Amendment to Code Share and Revenue Sharing Agreement, dated to be effective April 27, 2001, that certain Second Amendment to Code Share and Revenue Sharing Agreement, dated to be effective
October 24, 2002, that certain Third Amendment to Code Share and Revenue Sharing Agreement, dated to be effective January 29, 2003, that certain Fourth Amendment to Code Share and Revenue Sharing Agreement, dated to be effective
September 5, 2003, that certain Fifth Amendment to Code Share and Revenue Sharing Agreement, dated to be effective January 28, 2005, that certain Fifth Amendment to Code Share and Revenue Sharing Agreement, dated to be effective
January 28, 2005 and that certain Sixth Amendment to Code Share and Revenue Sharing Agreement, dated to be effective July 27, 2005 (collectively, the “Code Share Agreement”); 

WHEREAS, the Code Share Agreement requires the Mesa Group to provide certain Flight Services and Other Services for AWA, pursuant to the terms
and conditions of the Code Share Agreement; 
 WHEREAS, the Mesa Group and AWA desire to amend the Code Share Agreement pursuant to the
terms and conditions of this Seventh Amendment; 
 WHEREAS, the Mesa Group and AWA desire to settle certain amounts payable to each other
pursuant to certain claims under the Code Share Agreement; 
 WHEREAS, as part of the integration of AWA’s and US Airways’
operations, AWA and US Airways will combine their operating certificates into one operating certificate under US Airways; 
 WHEREAS, AWA
wishes to assign, transfer and convey to US Airways its rights, title and interest in and to the Code Share Agreement and US Airways wishes to accept and assume from AWA, all of AWA’s rights, interests, liabilities, duties and obligations in,
to and under the Code Share Agreement; and 

 WHEREAS, AWA, US Airways and the Mesa Group have agreed to enter into this Agreement for the
purpose of giving effect to such assignment to US Airways of AWA’s rights and interests in, to and under the Code Share Agreement. 

NOW, THEREFORE, in consideration of the mutual covenants and agreements set forth herein and other good and valuable consideration, the
receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows: 

Section 1:        Definitions and Interpretation. 

1.1        Unless otherwise defined or the context otherwise requires, capitalized terms used in this
Seventh Amendment shall have the same meanings as in the Code Share Agreement (whether by reference to another document or otherwise) and the following terms shall have the following meanings: 

“Effective Time” means the date AWA relinquishes its FAA operating certificate. 

Section 2:        Amendments. 

2.1        AWA, US Airways and the Mesa Group agree that Exhibit C of the Code Share Agreement is
amended by: (i) deleting the reference to $[***] in the “Ownership” line under the CRJ 900 column and replacing such number with a reference to Note 6 and (ii) adding the following Note 6: 

“[***] per CRJ 900 per month for [***] months from [***] through [***] and $[***] per CRJ 900 per month for the remainder of the
Term”. 
 Section 3:        Settlement. AWA, US Airways and the Mesa Group agree to
the following settlement of certain outstanding liabilities, duties and obligations contained in the Code Share Agreement and disputes between Mesa and AWA and US Airways: 

3.1        AWA, US Airways and the Mesa Group agree that US Airways shall pay and has paid to Mesa the
sum of $7,464,008 in settlement of outstanding claims Mesa has against AWA for CRJ Model 900 “Ownership” Guaranteed Non-Maintenance Costs payable through July 2007 pursuant to Section 7.2(a) of
the Code Share Agreement (the “CRJ 900 Claims”). The Mesa Group hereby acknowledges receipt of this settlement payment in full on August 9, 2007. The parties agree that only the CRJ 900 Claims are being settled hereby and no other
claims any party may have against any other party under the Code Share Agreement shall be settled or affected hereby (other than the release of AWA pursuant to Section 4.1(d) below upon the assumption hereunder by US Airways of all of
AWA’s obligations, duties and liabilities under the Code Share Agreement). 

Section 4:        Assignment and Assumption. 

4.1        At the Effective Time: 

(a)        AWA hereby conveys, assigns, transfers and sets over to US Airways all of the rights,
title and interests of AWA in, to and under the Code Share Agreement (including, 

  
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without limitation, in respect of rights and interests accruing, arising or pertaining to, and matters occurring during, the period prior to the Effective Time). 

(b)        US Airways hereby accepts the conveyance, assignment and transfer contained in sub-section (a) of this Section 4.1 and assumes and agrees to discharge, perform and satisfy all of the obligations, duties and liabilities of AWA under the Code Share Agreement, in each case arising prior
to, at and after the Effective Time for the benefit of the Mesa Group in the time and manner required by the Code Share Agreement to the same extent as if US Airways had executed and delivered the Code Share Agreement. US Airways further agrees that
it shall be deemed to be a party to the Code Share Agreement and shall be bound by the terms and provisions of the Code Share Agreement, and further agrees to observe and perform in favor of and for the benefit of the Mesa Group all obligations,
duties and liabilities of AWA under the Code Share Agreement arising prior to, at and after the Effective Time. 

(c)        The Mesa Group hereby consents to and accepts the conveyance, assignment and transfer by
AWA and the assumption by US Airways of all of the rights, title, interests, duties, liabilities and obligations of AWA in, to and under the Code Share Agreement, and US Airways’ agreement to be bound by the terms and provisions of the Code
Share Agreement and to perform all of AWA’s obligations, duties and liabilities under the Code Share Agreement pursuant to sub-sections (a) and (b) of this Section 4.1. 

(d)        The Mesa Group releases AWA from its obligations, duties and liabilities to the Mesa Group
arising at or after the Effective Time under the Code Share Agreement. 
 (e)        AWA releases
the Mesa Group from its obligations, duties and liabilities to AWA arising at or after the Effective Time under the Code Share Agreement. 

(f)        The Mesa Group agrees to observe and perform in favor of and for the benefit of US Airways
all its obligations, duties and liabilities arising at or after the Effective Time under the Code Share Agreement. 

(g)        At the Effective Time, all references to “America West Airlines, Inc.” and
“AWA” shall be deleted and replaced with “US Airways, Inc.” and “US Airways”, respectively. 

(h)        At the Effective Time, the notice address for AWA in Section 15.1 of the Code Share
Agreement will be amended as follows: 
 “If to US Airways: US Airways: Inc.4000 E. Sky Harbor Blvd. 

Phoenix, AZ 95034 

Attn: General Counsel 

Telephone: (480) 693-3760 

Facsimile: (480) 693-5155” 

Each of the foregoing events and agreements in this Section 4.1 is conditional upon the happening of the others and shall occur
simultaneously. It is hereby agreed and acknowledged that the above-described assignment and assumption of the Code Share Agreement and the resulting releases and discharges of AWA by the Mesa Group, and of the Mesa Group by AWA, are without
prejudice to any and all rights, obligations, claims and demands, including, without 

  
 4 

 
limitation, rights to indemnification under the Code Share Agreement, which AWA or the Mesa Group may have against each other in respect of acts, omissions, events and circumstances arising prior
to the Effective Time. Notwithstanding anything contained herein, none of the parties’ respective obligations, duties and liabilities under the Code Share Agreement shall be increased, nor shall such parties’ rights and privileges under
the Code Share Agreement be reduced, by reason of the transactions contemplated hereby. 

Section 5:        Effect. Except as set forth in this Seventh Amendment, all of the terms
and conditions of the Code Share Agreement shall remain in full force and effect and be applicable to this Seventh Amendment. 

Section 6:        Counterparts. This Seventh Amendment may be executed in counterparts,
all of which when taken together shall be one and the same document. 

Section 7:        Entire Agreement. This Seventh Amendment constitutes the entire
agreement between the parties with respect to the subject matter hereof and supersedes all prior understandings with respect thereto. 

Section 8:        References to Agreement. The Code Share Agreement and any and all other
agreements, documents or instruments now or hereafter executed and delivered pursuant to the terms hereof, or pursuant to the terms of the Code Share Agreement as amended hereby, are hereby amended so that any reference therein to the Code Share
Agreement shall mean a reference to the Code Share Agreement as amended hereby. 

Section 9:        Agreement Remains in Effect. The Code Share Agreement, as amended
hereby, remains in full force and effect and each of the parties ratifies and confirms its agreements and covenants contained therein. 

[Signature Pages Follow] 

  
 5 

 IN WITNESS WHEREOF, the parties have duly executed this Seventh Amendment as
of the date first above written. 
  

			
	 AMERICA WEST AIRLINES, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

	
	 US AIRWAYS, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

	
	 MESA AIRLINES, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

	
	 FREEDOM AIRLINES, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

	
	 AIR MIDWEST, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

 [Signature Page — Seventh Amendment to Code Share Agreement] 

  
 6EX-10.11.9

 Exhibit 10.11.9 

***Text Omitted and Filed Separately with the Securities and Exchange Commission 

Confidential Treatment Requested Under 

17 C.F.R. Sections 200.80(b)(4) and 230.406 

EIGHTH AMENDMENT TO CODE SHARE AND 

REVENUE SHARING AGREEMENT AND 

SETTLEMENT AGREEMENT 
 THIS
EIGHT AMENDMENT TO CODE SHARE AND REVENUE SHARING AGREEMENT AND SETTLEMENT AGREEMENT (this “Eighth Amendment”) is made and entered into as of May 12, 2008 (the “Effective Date”), between US AIRWAYS, INC., a
Delaware corporation (“US Airways”). MESA AIRLINES, INC., a Nevada corporation (“Mesa”). AIR MIDWEST, INC., a Kansas corporation (“AM”), and FREEDOM AIRLINES, INC., a Nevada corporation
(“Freedom”). Mesa, AM and Freedom are referred to collectively as the “Mesa Group”. 
 RECITALS: 

A.        US Airways and the Mesa Group are parties to that certain Code Share and Revenue Sharing
Agreement, dated as of February 1, 2001, as amended by: (1) the First Amendment to Code Share and Revenue Sharing Agreement, dated to be effective April 27, 2001; (2) the Second Amendment to Code Share and Revenue Sharing Agreement,
dated as of October 24, 2002; (3) the Third Amendment to Code Share and Revenue Sharing Agreement, dated as of January 29, 2003; (4) the Fourth Amendment to Code Share and Revenue Sharing Agreement and Release, dated as of
September 5, 2003; (5) the Fifth Amendment to Code Share and Revenue Agreement, dated as of January 28, 2005; (6) the Sixth Amendment to Code Share and Revenue Sharing Agreement and Settlement Agreement, dated as of July 27, 2005; and
(7) the Seventh Amendment to Code Share and Revenue Sharing Agreement and Settlement, Assignment and Assumption Agreement (collectively, the “Code Share Agreement”). All capitalized terms used herein, but not otherwise defined
herein, shall have the meanings given to such terms in the Code Share Agreement. It is the intent of the parties that this Eighth Amendment and the subject matter addressed herein is integral to the entirety of the Code Share Agreement and is not
severable therefrom. 
 B.        The Code Share Agreement requires the Mesa Group to provide
certain Flight Services and Other Services for US Airways, pursuant to the terms and conditions of the Code Share Agreement. 

C.        The Mesa Group and US Airways desire to amend the Code Share Agreement pursuant to the terms
and conditions of this Eighth Amendment. 
 D.        The Mesa Group and US Airways desire to settle
certain amounts payable by the Mesa Group to US Airways. 
 NOW, THEREFORE, in consideration of the promises, covenants, representations and
warranties hereinafter set forth, and for other valuable consideration, the receipt and sufficiency of which are hereby acknowledged, US Airways and the Mesa Group agree as set forth below: 

1.        The parties agree that Section 5 of the Code Share Agreement is amended by adding the
following new paragraph 5.8: 

 5.8 Damages [***]. Mesa acknowledges that, [***] for [***] reasons within
Mesa’s control [***]. As a result [***], US Airways incurred damages of $[***]. US Airways withheld $[***] from the payments made to Mesa [***], leaving a balance owning by Mesa to US Airways of $[***]. Mesa agrees to pay this amount to US
Airways as follows: [***]. In the event that Mesa fails to make any of the payments described above, and such failure continues for 5 days after notice thereof from US Airways, US Airways may, at its option and upon 30 days’ written notice,
reduce [***] by up to all of the remaining [***], notwithstanding any provisions of the Code Share Agreement to the contrary. 

2.        Release. Except as set forth in this Eighth Amendment, and subject to Mesa’s
obligation to make the payments set forth above (or in the event of Mesa’s failure to make such payments, to reduce [***]), US Airways fully and finally releases, acquits and forever discharges the Mesa Group from any and all claims and demands
for reimbursement costs or payment of damages or other liabilities resulting [***]that occurred during the period [***]. The parties agree and acknowledge that they shall not be bound to use this Eighth Amendment as the basis for resolving any
similar or dissimilar claims that may arise between them in the future. 
 3.        Effect.
Except as set forth in this Eighth Amendment, all of the terms and conditions of the Code Share Agreement shall remain in full force and effect and be applicable to this Eighth Amendment. 

4.        Counterparts. This Eighth Amendment may be executed in counterparts, all of which
when taken together shall be one and the same document. 
 5.        Entire Agreement. This
Eighth Amendment constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior understandings with respect thereto. 

[signature page follows] 

  
 2 

 
			
	 US AIRWAYS, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

	
	 MESA AIRLINES, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

	
	 FREEDOM AIRLINES, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

	
	 AIR MIDWEST, INC.

	
	
By:                  
                                         
                   

	
Name:                  
                                         
              

	
Title:                  
                                         
                

  
 3

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