| A.   | Boeing      and Customer have heretofore entered into that certain Purchase Agreement      No. 1977, dated October 31, 1997, as amended and supplemented,      (capitalized terms used herein without definition shall have the meanings      specified therefor in such PurchaseAgreement). |
|----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| B.   | Pursuant      to Letter Agreement No. 6-1162-AKP-075 (the “Rights Letter”), Boeing and      Customer have agreed to, among other things, treatment of aircraft      Purchase Rights. |
|----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| C.   | Customer      and Boeing desire to amend and supplement the Purchase Agreement as      provided below. |
|----------------|--------------------------------------------------------------------------------------------------------|

| 1.   | Amendment      to Reflect Customer’s Exercise of MADP  Rights. |
|----------------|----------------------------------------------------------------------|

| 1.1.   | The Purchase      Agreement is amended and supplemented to reflect the exercising of      [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] Rights Aircraft      [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] by Customer with      the Scheduled Delivery [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT] (“Exercised MADP      Aircraft”). |
|------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 1.2.   | The      Scheduled Delivery Month and Advanced Payment Schedule for the aircraft is      set forth in Table 1A (R4), attachedhereto. |
|------------------|--------------------------------------------------------------------------------------------------------------------------------------|

|   | 1.3.  In      recognition of the fact the configuration of Customer’s Model 737-823      Aircraft is in the process of being updated, the previously selected      Optional Features that were selected during initial configuration for the      Deferred Aircraft will be incorporated in Table 1A(R4) as a placeholder      until Customer selects Optional Features or other desired amendments to      the Detail Specification (”Configuration Changes”). The effects of all      Configuration Changes, which are mutually agreed upon between Boeing and      Customer for incorporation into the Detail Specification will be      incorporated into Exhibit A by written amendment no later than [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIALTREATMENT]. |
|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2.   | Table      of Contents.  The Table of      Contents dated February 2008 is replaced in its entirety with the revised      Table of Contents dated March 2008 (Attachment A hereto) to reflect      amendments made to the Purchase Agreement by this    Agreement. |
|----------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 3.   | MADP      Rights.  Pursuant to SA 24, Attachment B (R5) to the      Rights Letter is hereby replaced in its entirety with the revised      Attachment B (R6) attached hereto and hereby made part of the Purchase      Agreement. The revised number of certain Customer MADP rights pursuant to      this Agreement are reflected in the attached Attachment B (R6)      hereto. |
|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4. | Supplement      Exhibit BFE1. Supplement Exhibit      BFE1 (R5) is hereby replaced in its entirety with the revised Supplement      Exhibit BFE1 (R6) attached hereto and hereby made part of the Purchase      Agreement. The updated on-dock dates for all contracted firm Aircraft thru      December 2013 are reflected in the attached Supplement Exhibit BFE1      (R6). |
|----|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 5. | Advance      Payments for Aircraft.  Due at signing of      this Agreement, Customer owes Boeing [CONFIDENTIAL PORTION OMITTED AND      FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A REQUEST FOR      CONFIDENTIAL TREATMENT]. |
|----|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 6. | Effect      on Purchase Agreement.  Except as expressly set forth      herein, all terms and provisions contained in the Purchase Agreement shall      remain in full force and effect. This Agreement contains the entire      agreement between the parties with respect to the subject matter hereof      and supersedes all previous proposals, and agreements, understandings,      commitments or representations whatsoever, oral or written, with respect      to the subject matter hereof and may be changed only in writing signed by      authorized representatives of theparties. |
|----|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| AMERICAN      AIRLINES, INC.  By                                                      Its      VP Corporate Development      and              Treasurer | THE      BOEING COMPANY           [Missing      Graphic Reference]By                                                         Its    Attorney-In-Fact­­­­  |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | Attachments: |
|--------|--------------|

|   | Attachment      A, Table of Contents (R6) to Purchase Agreement No.  1977 |
|--------|---------------------------------------------------------------------------|

|   | Table      1A (R4) to Purchase Agreement No. 1977, 737-800 Exercised Option Delivery,      Description, Price and AdvancePayments |
|--------|-----------------------------------------------------------------------------------------------------------------------------------|

|   | Attachment      B (R6) to Letter Agreement 6-1162-AKP-075, Aircraft Purchase Rights and      Substitution Rights |
|--------|------------------------------------------------------------------------------------------------------------------|

|   | Supplement      Exhibit BFE1 (R6) to Purchase Agreement No. 1977, 737-823 BFE      Variables |
|--------|----------------------------------------------------------------------------------------------|

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----

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|   | Table1A      (R4) to Purchase Agreement No 1977 |
|--------|-------------------------------------------------|

----

|   | Attachment      B (R6) to Letter Agreement 6-1162-AKP-075 (Model  737) |
|--------|------------------------------------------------------------------------|

----

|   | Attachment      B (R6) to Letter Agreement 6-1162-KP-075 (Model  737) |
|--------|-----------------------------------------------------------------------|

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----

----

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

----

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

----

|                                   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

----

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |                                                                                                                               |                                                                                                                               |

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

|                                   | [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] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

----

|                                   | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
|----------------------------------------|------------------------------------------------------------------------------------------------------------------------------------|
|                                   | Aircraft                                                                                                                           |
| Seats                                  | [CONFIDENTIAL      PORTION OMITTED AND FILED SEPARATELY WITH THE COMMISSION PURSUANT TO A      REQUEST FOR CONFIDENTIAL TREATMENT] |
| Galleys/Furnishings                    |
| Antennas      & Mounting Equipment |
| Avionics                               |
| Cabin      Systems Equipment           |
| Miscellaneous      Emergency Equipment |
| Textiles/Raw      Material             |
| Cargo      Systems                     |
| Provision      Kits                    |
| Winglets                               |

| 3.   | Additional      Delivery Requirements |
|----------------|---------------------------------------|