--------------------------------------------------------------------------------

 

6-1162-AKP-072R2

American Airlines, Inc.
P.O. Box 619616
Dallas-Fort Worth Airport, Texas  75261-9616

Subject:
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

Reference:
Purchase Agreement Nos. 1977, 1978, 1979, 1980, and 3219 (the Purchase
Agreements) between The Boeing Company and American Airlines, Inc. relating to
Model 737, 757, 767, 777 and 787 aircraft, respectively

This letter agreement (Letter Agreement) is entered into on the date below and
amends and supplements the Purchase Agreements referenced above. All capitalized
terms used herein but not otherwise defined in this Letter Agreement shall have
the same meanings assigned thereto in Exhibit C to the applicable Purchase
Agreement or elsewhere in such Purchase Agreement. This Letter Agreement
supercedes and replaces in its entirety Letter Agreement  6-1162-AKP-072R1 dated
April 23, 2004.

1.           Definitions.

Terms used herein and not defined in this Letter Agreement have the meanings set
forth in the Purchase Agreements. The following terms, when used in capitalized
form, have the following meanings:

“AA Aircraft” means, as the context requires, (i) a Firm Aircraft, (ii) a Rights
Aircraft, (iii) a Substitute Aircraft or (iv) any aircraft described in Section
2.2 of this Letter Agreement once price terms have been established for such
aircraft pursuant to Section 8 of this Letter Agreement. The first three
categories of aircraft in the preceding sentence are defined in Letter
Agreements 6-1162-AKP-075, 6-1162-AKP-089R2, 6-1162-AKP-100R1, 6-1162-AKP-110R1
and 6-1162-TRW-0664.

“AA Auditor” shall have the meaning set forth in Section 7.2.3 hereto.

“Adjustment” shall have the meaning set forth in Section 3.2 hereto.

“Affiliate” shall have the meaning set forth in Exhibit C to the Purchase
Agreement.

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“Boeing” for the purposes of this Letter Agreement, means The Boeing Company and
each of its direct  and indirect wholly-owned subsidiaries.

“Boeing Affiliate Aircraft” has the meaning set forth in Letter Agreement
6-1162-AKP-071R1 and includes Existing MDC Aircraft.

“Boeing Auditor” shall have the meaning set forth in Section 7.2.1 hereto.

“Business Day” shall mean any day other than a Saturday, Sunday, or a day that
commercial banks are authorized or required by law, regulation or executive
order to be closed in Seattle, Washington or Fort Worth, Texas.

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“Credit Memorandum” shall have the meaning set forth in Section 5.4 hereto.

“Derivative” has the meaning set forth in Letter Agreements  6-1162-AKP-075,
6-1162-AKP-089R2, 6-1162-AKP-100R1, 6-1162-AKP-110R1  and 6-1162-TRW-0664 as
applicable.

“Eligible AA Aircraft” shall have the meaning set forth in Section 5.1.1 hereto.

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“Evaluation” shall have the meaning set forth in Section 3.2 hereto.

“Existing MDC Aircraft” means any model of aircraft within the MTOW Range
manufactured by McDonnell Douglas Corporation prior to October 31, 1997.

“Firm Aircraft” shall have the meaning set forth in Letter Agreements
6-1162-AKP-075, 6-1162-AKP-089R2, 6-1162-AKP-100R1, 6-1162-AKP-110R1 and
6-1162-TRW-0664, as applicable.

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].:

(i)  
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

(ii)  
Customer has:

a.  
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

b.  
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“4Q Certification” shall have the meaning set forth in Section 5.7.1 hereto.

“Future Boeing Models” shall have the meaning set forth in Section 2.2 hereto.

“Inconsistencies” shall have the meaning set forth in Section 5.4 hereto.

“Independent Evaluation” shall have the meaning set forth in Section 7.2.1
hereto.

“Initial Credit Memo” shall have the meaning set forth in Section 5.4 hereto.

“Initial Report” shall have the meaning set forth in Section 5.4 hereto.

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“MTOW Range” has the meaning set forth in Letter Agreement 6-1162-AKP-071R1.

“Non-Priced Aircraft” shall have the meaning set forth in Section 2.2 hereto.

“OA Contract” shall have the meaning set forth in Section 7.2.3 hereto.

“OA Scheduled Delivery Date” means the original scheduled delivery date
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“Prospective Aircraft” shall have the meaning set forth in Section 4.2 hereto.

“Prospective Evaluation” shall have the meaning set forth in Section 4.2 hereto.

“Records” shall have the meaning set forth in Section 7.2.10 hereto.

“Report Credit Due Date” shall have the meaning set forth in Section 5.7.2
hereto.

“Report Credit Memo” shall have the meaning set forth in Section 5.7.1 hereto.

“Review Meeting” shall have the meaning set forth in Section 7.1.1 hereto.

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“Rights Aircraft” shall have the meaning set forth in Letter Agreements
6-1162-AKP-075, 6-1162-AKP-089R2, 6-1162-AKP-100R1, 6-1162-AKP-110R1 and
6-1162-TRW-0664, as applicable.

“Successor Model” has the meaning set forth in Letter Agreements 6-1162-AKP-075,
6-1162-AKP-089R2, 6-1162-AKP-100R1, 6-1162-AKP-110R1 and 6-1162-TRW-0664, as
applicable.

“[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

“Whitetail Aircraft” shall have the meaning set forth in Section 9.1 hereto.

2.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR
CONFIDENTIAL TREATMENT].

2.1           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

2.2           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

3.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

3.1           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

3.2           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

4.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

4.1           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]:

4.1.1                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

4.1.2                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

4.1.3                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

4.1.4                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

4.1.5                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

4.2           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

4.3           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.           Establishing Eligibility for and Issuing Credit Memoranda.

5.1           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.1.1 [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.1.2 [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.2                  [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]:
5.2.1              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.2.2              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.2.3              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.2.4              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.2.5              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.3              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.4              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.5              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.6           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.7           [CONFIDENTIAL PORTION OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL
TREATMENT].

5.7.1             [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.7.2             [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

5.7.3             [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

6.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

6.1           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

6.2           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.1                  [CONFIDENTIAL PORTION OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL
TREATMENT].

7.1.1             [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.1.2             [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.1.3             [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2           [CONFIDENTIAL PORTION OMITTED AND FILED
SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL
TREATMENT].

7.2.1                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.2                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.3             [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.4.             [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]:

(a)         [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]

(b)         [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.5                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.6                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]:

(a)           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

(b)           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.7                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.8                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].:

7.2.8.1                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.8.2                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.8.3                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.8.4                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.9                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

7.2.10                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

8.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

8.1           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].:

8.1.1                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

8.1.2                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

8.2           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].:

8.2.1                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

8.2.2                      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

8.3.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].
 
9.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR
CONFIDENTIAL TREATMENT].

9.1           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

9.2                  [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

10.           [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY
WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

11.           Confidential Treatment.

Customer and Boeing understand that certain commercial and financial information
contained in this Letter Agreement are considered by Boeing and Customer as
confidential.  Customer and Boeing agree that each will treat this Letter
Agreement and the information contained herein as confidential and will not,
without the prior written consent of the other, disclose this Letter Agreement
or any information contained herein to any other person or entity, except as
provided in this Letter Agreement or in the Purchase Agreements.

Very truly yours,

THE BOEING COMPANY

By               

Its            Attorney-In-Fact                                                            

ACCEPTED AND AGREED TO this

Date:    , 2008

AMERICAN AIRLINES, INC.

By                                                              

Its  VP Corporate Development and Treasurer

Attachment A:
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

Attachment B:
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

Attachment C:
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

Attachment D:
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

Attachment E:
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment A to
6-1162-AKP-072R2
Page 7

Examples

1. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
 
2002
2003
2004
2005
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                     

2. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
 
2002
2003
2004
2005
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                     

3. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
 
2002
2003
2004
2005
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                   
24
               
0
                             

4. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
 
2002
 
2004
2005
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                     

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment A to
6-1162-AKP-072R2
Page 7

5. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
 
2002
2003
 
2005
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                     

6. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
 
2002
2003
2004
2005
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                     

7. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
2001
2002
 
2004
   
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                     

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment A to
6-1162-AKP-072R2
Page 7

8. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
2001
2002
 
2004
 
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                             
0
                     

9. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
2001
2002
 
2004
2005
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                               
       

10. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
2001
2002
 
2004
2005
2006
2007
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                               
                         

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment A to
6-1162-AKP-072R2
Page 7

11. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
2001
     
2005
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                                     

12. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

             
2006
2007
                 
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                   

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment A to
6-1162-AKP-072R2
Page 7

13. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]:

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
               

(i)
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
2001
     
2005
2006
2007
2008
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                         

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

(ii)
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TOA REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
2001
     
2005
2006
2007
2008
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                         

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

(iii)
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
2001
       
2006
2007
2008
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                           
X
       

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
(iv)
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

 
2000
   
2003
 
2005
2006
2007
2008
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
                                                         

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment B to
6-1162-AKP-072R2
Page 1

Form of Certification

The undersigned certifies that he or she is either the President or the Chief
Financial Officer (or functional equivalent) of Boeing Commercial Airplanes, and
that, as such, he or she is authorized to execute this Certification on behalf
of The Boeing Company pursuant to Letter Agreement No. 6-1162-AKP-072R1.
Capitalized terms used herein but not defined have the meanings set forth in the
foregoing Letter Agreement.

The undersigned hereby certifies that:

A.              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]:

                       

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

Notes:

B.              [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE
COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

In witness whereof, the undersigned has hereunto subscribed his name this ____
day of ______________, ___.

By:
   

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment C to
6-1162-AKP-072R2
Page

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT]

Prospective Evaluation for
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT]:

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT]:

Boeing has determined that the following are [CONFIDENTIAL PORTION OMITTED AND
FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR CONFIDENTIAL
TREATMENT].

 
Aircraft
Model
 
Delivery Year
                                                                               
                       

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment D to
6-1162-AKP-072R2
Page

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

1. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

                       

2. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

                                                                               
               

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

3. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

                                                                               
                                                                               
       

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment D to
6-1162-AKP-072R2
Page

4. [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT].

                                                                               
                                                   

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------

 
Attachment E to
6-1162-AKP-072R2
Page 1

Form of [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]. (with example data)

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

                                                                               
                                                                               
                                                                               
                                                                               
                           

Form of [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION
PURSUANT TO A REQUEST FOR CONFIDENTIAL TREATMENT]. (with example data)

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].

P.A. Nos. 1977, 1978, 1979, 1980, and 3219
[CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT
TO A REQUEST FOR CONFIDENTIAL TREATMENT].
BOEING PROPRIETARY

 
 

--------------------------------------------------------------------------------