| Reference: | Purchase      Agreement No. 1977 (the Purchase Agreement) between The Boeing Company      (Boeing) and American Airlines, Inc.  (Customer) relating to      Model 737-823 aircraft (theAircraft) |
|------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 1.   | Advance Payments for      Aircraft. |
|----------------|-------------------------------------|

| 1.1   | Customer      will make Advance Payments to Boeing [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]. |
|-----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 1.2   | Notwithstanding      Section 1.3 of Letter Agreement No. 6-1162-AKP-070 entitled Miscellaneous      Commitments for Model 737, 757, 767 and 777 Aircraft, Customer will      [CONFIDENTIAL PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION      PURSUANT TO A REQUEST FOR CONFIDENTIAL  TREATMENT]. |
|-----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 1.3   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|-----------------|------------------------------------------------------------------------------------------------------------------------------------|

| (i)   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]; |
|-----------------|------------------------------------------------------------------------------------------------------------------------------------|

| (ii)   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]; |
|------------------|------------------------------------------------------------------------------------------------------------------------------------|

| (iii)   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]; |
|-------------------|------------------------------------------------------------------------------------------------------------------------------------|

| (iv)   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]; |
|------------------|------------------------------------------------------------------------------------------------------------------------------------|

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

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