Document:

EX-10.16(h)

	*****	 Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10).

 Such excluded information is not material and would likely cause competitive harm to the registrant if publicly
disclosed. 
 Exhibit 10.16(h) 

LETTER AGREEMENT NO. 6B 
 As of
September 30, 2011 
 Republic Airways Holdings Inc. 

8909 Purdue Road 
 Suite 300 

Indianapolis, Indiana 46268 
  

	Re:	 A319 AIRCRAFT PERFORMANCE GUARANTEE – NEO (CFM A319 LEAP-X
ENGINES) 

 Dear Ladies and Gentlemen, 

REPUBLIC AIRWAYS HOLDINGS INC. (the “Buyer”) and AIRBUS S.A.S. (the “Seller”) have entered into an Airbus
A320 Family Purchase Agreement of even date herewith (the “Agreement”) which covers, among other matters, the sale by the Seller and the purchase by the Buyer of certain Aircraft, under the terms and conditions set forth in said
Agreement. The Buyer and the Seller have agreed to set forth in this Letter Agreement No. 6B (the “Letter Agreement”) certain additional terms and conditions regarding the sale of the A319 Aircraft. Capitalized terms used
herein and not otherwise defined in this Letter Agreement have the meanings assigned thereto in the Agreement. The terms “herein,” “hereof” and “hereunder” and words of similar import refer to this Letter Agreement.

 Both parties agree that this Letter Agreement constitutes an integral, nonseverable part of said Agreement, that the provisions of said
Agreement are hereby incorporated herein by reference, and that this Letter Agreement is governed by the provisions of said Agreement, except that if the Agreement and this Letter Agreement have specific provisions which are inconsistent, the
specific provisions contained in this Letter Agreement will govern. 

  
 LA 6B-1 

	1.	 AIRCRAFT CONFIGURATION 

The guarantees defined in Paragraphs 2 and 3 below (the “Guarantees”) are applicable to the A319 Aircraft as
described in the A319 Standard Specification ***** as amended by the ***** SCNs including: 
  

	 	(i)	 ***** 

  

	 	(ii)	 ***** 

  

	 	(iii)	 ***** 

***** 
 ***** 

hereinafter referred to as the “Specification” without taking into account any further changes thereto as
provided in the Agreement except as provided in Paragraph 6 below (for purposes of this Letter Agreement No. 6C the “A319 Aircraft”). 
  

	2.	 ***** GUARANTEES 

 

	2.1	 ***** 

  

	2.1.1	 ***** 

***** 
 ***** 

 

	2.1.2	 ***** 

  

	2.1.3	 ***** 

  

	2.1.4	 ***** 

  

	2.1.5	 ***** 

  

	2.1.6	 ***** 

  

	2.1.7	 ***** 

  

	 	1)	 ***** 

  

	 	2)	 ***** 

  

	 	3)	 ***** 

  

	 	4)	 ***** 

  
 LA 6B-2 

	2.2	 ***** 

  

	2.2.1	 ***** 

***** 
 ***** 

 

	2.2.2	 ***** 

  

	2.2.3	 ***** 

  

	2.2.4	 ***** 

  

	2.2.5	 ***** 

  

	2.2.6	 ***** 

  

	2.2.7	 ***** 

  

	 	1)	 ***** 

  

	 	2)	 ***** 

  

	 	3)	 ***** 

  

	 	4)	 ***** 

  

	2.3	 ***** 

***** 
  

	2.3.1	 ***** 

  

	2.3.2	 ***** 

  

	2.3.3	 ***** 

  

	2.3.4	 ***** 

  

	2.3.5	 ***** 

  

	2.3.6	 ***** 

  

	2.3.7	 ***** 

  

	 	1)	 ***** 

  

	 	2)	 ***** 

  
 LA 6B-3 

	 	3)	 ***** 

  

	 	4)	 ***** 

  

	2.4	 ***** 

  

	2.4.1	 ***** 

***** 
 ***** 

 

	2.4.2	 ***** 

  

	2.4.3	 ***** 

  

	2.4.4	 ***** 

  

	2.4.5	 ***** 

  

	2.4.6	 ***** 

  

	2.4.7	 ***** 

  

	 	1)	 ***** 

  

	 	2)	 ***** 

  

	 	3)	 ***** 

  

	 	4)	 ***** 

  

	2.5	 ***** 

  

	3.	 ***** GUARANTEE 

***** 
  

	4.	 GUARANTEE CONDITIONS 

 

	4.1	 ***** 

  

	4.2	 ***** 

  

	4.3	 ***** 

  

	4.4	 ***** 

  

	4.5	 ***** 

  
 LA 6B-4 

	5.	 GUARANTEE COMPLIANCE 

 

	5.1	 ***** 

  

	5.2	 ***** 

  

	5.3	 ***** 

  

	5.3.1	 ***** 

  

	5.3.2	 ***** 

  

	5.4	 ***** 

  

	5.5	 ***** 

  

	5.6	 ***** 

  

	6.	 ADJUSTMENT OF GUARANTEES 

 

	6.1	 ***** 

  

	6.2	 ***** 

  

	7.	 EXCLUSIVE GUARANTEES 

***** 
  

	8.	 ***** 

***** 
  

	8.1	 ***** 

  

	8.1.1	 ***** 

  

	8.1.2	 ***** 

  

	8.2	 ***** 

  

	8.3	 ***** 

  
 LA 6B-5 

 If the foregoing correctly sets forth our understanding, please execute two (2) originals in
the space provided below and return one (1) original of this Letter Agreement to the Seller. 
  

			
	AIRBUS S.A.S.
		
	By:	 	 /s/ Patrick de Castelbajac

		 	 Patrick de Castelbajac

	Title:	 	 Vice President Contracts

	
	REPUBLIC AIRWAYS HOLDINGS INC.
		
	By:	 	 /s/ Bryan Bedford

		 	 Bryan Bedford

	Title:	 	 President

  
 LA 6B SigPage 

 APPENDIX 1 

***** GUARANTEES 
  

	1.	 ***** 

  

	2.	 ***** 

  

	 	i)	 ***** 

  

	 	ii)	 ***** 

  

	 	iii)	 ***** 

***** 

  
 LA 6B-7EX-10.16(i)

 [***] Certain information in this document has been excluded pursuant to Regulation S-K, Item 601(b)(10). 
 Such excluded information is not material and would likely cause competitive harm to the
registrant if publicly disclosed. 
 Exhibit 10.16(i) 

LETTER AGREEMENT N° 6D 

October 9, 2019 
 FRONTIER AIRLINES,
INC. 
 4545 Airport Way 
 Denver, Colorado 

80239 
 USA 

Subject: A321XLR PERFORMANCE GUARANTEES (CFM International LEAP-1A32ENGINES) 

FRONTIER AIRLINES, INC. (the “Buyer”) and AIRBUS S.A.S. (the “Seller”) have entered into that A320 Family
Purchase Agreement dated as of September 30, 2011 (as amended, supplemented and modified from time to time as of the date hereof, the “Agreement”) which covers, among other matters the manufacture and the sale by the
Seller and the purchase by the Buyer of the A321XLR Aircraft as described in the Agreement (the “Applicable Aircraft”). 
 The terms
“herein”, “hereof” and “hereunder” and words of similar import refer to this Letter Agreement. Capitalized terms used herein and not otherwise defined in this Letter Agreement
shall have the meanings assigned thereto in the Agreement. 
 Both parties agree that this Letter Agreement, upon execution thereof, shall constitute an
integral, nonseverable part of the Agreement and shall be governed by all its provisions, as such provisions have been specifically amended pursuant to this Letter Agreement. 

[balance of page intentionally left blank] 

  
 Page 1/17 

 LETTER AGREEMENT N° 6D 

 

	1	 AIRCRAFT CONFIGURATION 

The guarantees provided in this Letter Agreement (individually a “Performance Guarantee” or collectively the
“Performance Guarantees”) are applicable to the Applicable Aircraft as described in the Standard Specification reference [***] as amended by [***] and by Specification Change Notices (SCNs) for: 

- [***] 
 - [***] 

hereinafter referred to as the “Performance Specification”, and without taking into account any further changes thereto
as provided in the Agreement. 
 The Performance Guarantees are subject to certification and signature by the Buyer of the SCN for the [***]
as defined above. 
 [balance of page intentionally left blank] 

  
 Page 2/17 

 LETTER AGREEMENT N° 6D 

 

	2	 GUARANTEED PERFORMANCE 

 

	2.1	 [***] guarantee 

[***] 
  

	2.2	 [***] guarantee [***] 

[***] 
  

	2.3	 [***] guarantee 

[***] 
 [balance of page
intentionally left blank] 

  
 Page 3/17 

 LETTER AGREEMENT N° 6D 

 

	3	 [***] GUARANTEES 

 

	3.1	 [***] 

  

	3.1.1	 [***] 

  

	3.1.2	 [***] 

  

	3.1.3	 [***] 

  

	3.1.4	 [***] 

  

	3.1.5	 [***] 

  

	3.1.6	 [***] 

  
 Page 4/17 

 LETTER AGREEMENT N° 6D 

 

	3.1.7	 [***] 

  

	3.1.8	 [***] 

  

	 	a)	 [***] 

  

	 	b)	 [***] 

  

	 	c)	 [***] 

  

	 	d)	 [***] 

  

	 	e)	 [***] 

[balance of page intentionally left blank] 

  
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 LETTER AGREEMENT N° 6D 

 

	3.2	 [***] 

  

	3.2.1	 [***] 

  

	3.2.2	 [***] 

  

	3.2.3	 [***] 

  

	3.2.4	 [***] 

  

	3.2.5	 [***] 

  

	3.2.6	 [***] 

  

	3.2.7	 [***] 

  

	3.2.8	 [***] 

  

	 	a)	 [***] 

  

	 	b)	 [***] 

  

	 	c)	 [***] 

  

	 	d)	 [***] 

  

	 	e)	 [***] 

[balance of page intentionally left blank] 

  
 Page 6/17 

 LETTER AGREEMENT N° 6D 

 

	3.3	 [***] 

[***] 
  

	3.3.1	 [***] 

  

	3.3.2	 [***] 

  

	3.3.3	 [***] 

  

	3.3.4	 [***] 

  

	3.3.5	 [***] 

  

	3.3.6	 [***] 

  

	3.3.7	 [***] 

[balance of page intentionally left blank] 

  
 Page 7/17 

 LETTER AGREEMENT N° 6D 

 

	3.3.8	 [***] 

  

	 	a)	 [***] 

  

	 	b)	 [***] 

  

	 	c)	 [***] 

  

	 	d)	 [***] 

  

	 	e)	 [***] 

[balance of page intentionally left blank] 

  
 Page 8/17 

 LETTER AGREEMENT N° 6D 

 

	3.4	 [***] 

[***] 
  

	3.4.1	 [***] 

  

	3.4.2	 [***] 

  

	3.4.3	 [***] 

  

	3.4.4	 [***] 

  

	3.4.5	 [***] 

  

	3.4.6	 [***] 

  

	3.4.7	 [***] 

  

	3.4.8	 [***] 

  

	 	a)	 [***] 

  

	 	b)	 [***] 

  

	 	c)	 [***] 

  

	 	d)	 [***] 

  

	 	e)	 [***] 

  
 Page 9/17 

 LETTER AGREEMENT N° 6D 

 

	3.5	 [***] Guarantee – [***] 

[***] 
  

	3.5.1	 [***] 

  

	3.5.2	 [***] 

  

	3.5.3	 [***] 

  

	3.5.4	 [***] 

  

	3.5.5	 [***] 

  

	3.5.6	 [***] 

  

	3.5.7	 [***] 

  

	3.5.8	 [***] 

  

	 	a)	 [***] 

  

	 	b)	 [***] 

  

	 	c)	 [***] 

  

	 	d)	 [***] 

  

	 	e)	 [***] 

  

	3.6	 [***] 

[***] 

  
 Page 10/17 

 LETTER AGREEMENT N° 6D 

 

	4	 [***] GUARANTEE 

[***] 
  

	5	 PERFORMANCE GUARANTEES CONDITIONS 

 

	5.1	 [***] 

  

	5.2	 [***] 

  

	5.3	 [***] 

  

	5.4	 [***] 

  

	5.5	 [***] 

[balance of page intentionally left blank] 

  
 Page 11/17 

 LETTER AGREEMENT N° 6D 

 

	6	 PERFORMANCE GUARANTEES COMPLIANCE 

 

	6.1	 [***] 

  

	6.2	 [***] 

  

	6.3	 [***] 

  

	6.3.1	 [***] 

  

	6.3.2	 [***] 

  

	6.4	 [***] 

  

	6.5	 [***] 

  
 Page 12/17 

 LETTER AGREEMENT N° 6D 

 

	6.6	 [***] 

  

	6.7	 [***] 

  

	7	 ADJUSTMENT OF PERFORMANCE GUARANTEES 

 

	7.1	 [***] 

  

	7.2	 [***] 

  

	8	 EXCLUSIVE PERFORMANCE GUARANTEES 

[***] 
 [balance of page
intentionally left blank] 

  
 Page 13/17 

 LETTER AGREEMENT N° 6D 

 

	9	 [***] 

  

	9.1	 [***] 

  

	9.2	 [***] 

  

	9.2.1	 [***] 

  

	9.2.2	 [***] 

  

	9.2.3	 [***] 

  

	9.3	 [***] 

  

	9.4	 [***] 

[balance of page intentionally left blank] 

  
 Page 14/17 

 LETTER AGREEMENT N° 6D 

 

	10	 INCONSISTENCIES 

In the event of any inconsistency between the terms of this Letter Agreement and the terms of the Agreement, the terms of this Letter Agreement
shall prevail over the terms of the Agreement. 
  

	11	 ASSIGNMENT 

Notwithstanding any other provision of this Letter Agreement or of the Agreement but subject to Clause 21.2 of the Agreement, this Letter
Agreement and the rights and obligations of the Buyer herein shall not be assigned or transferred in any manner, and any attempted assignment or transfer in contravention of the provisions of this Clause shall be void and of no force or effect. 

 

	12	 CONFIDENTIALITY 

This Letter Agreement is subject to the terms and conditions of Clause 22.11 of the Agreement. 

 

	13	 LAW AND JURISDICTION 

This Letter Agreement shall be governed by, and construed in accordance with, the laws of the State of New York and the provisions of Clause
22.6 of the Agreement shall apply to this Letter Agreement. 
  

	14	 COUNTERPARTS 

This Letter Agreement may be executed by the parties hereto in separate counterparts, each of which when so executed and delivered will be an
original, but all such counterparts will together constitute one and the same instrument. 
  

	15	 EFFECTIVE DATE 

This Letter Agreement is effective as of the date first written above. 

[balance of page intentionally left blank] 

  
 Page 15/17 

 LETTER AGREEMENT N° 6D 

If the foregoing correctly sets forth our understanding, please execute two (2) originals in the space provided below and return one (1) original of
this Letter Agreement to the Seller. 
  

									
	Agreed and Accepted	 		 	Agreed and Accepted
			
	For and on behalf of	 		 	For and on behalf of
			
	FRONTIER AIRLINES, INC.	 		 	AIRBUS S.A.S.
					
	By:	 	 /s/ Howard Diamond
	 		 	By:	 	 /s/ Benoît de Saint-Exupéry

	Its:	 	SVP, General Counsel & Secretary	 		 	Its:	 	Senior Vice President, Contracts

  
 Page 16/17 

 LETTER AGREEMENT N° 6D 

APPENDIX A 
 [***]

  
 Page 17/17

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