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                                                Amendment No. 1

                                      To the A318/A319 Purchase Agreement
                                          Dated as of March 10, 2000

                                                    between

                                                AVSA, S.A.R.L.

                                                      and

                                            FRONTIER AIRLINES, INC.

This Amendment No. 1 (hereinafter referred to as the "Amendment") is entered into as of July _____, 2000,
between AVSA, S.A.R.L., a societe a responsabilite limitee organized and existing under the laws of the
Republic of France, having its registered office located at 2, Rond-Point Maurice Bellonte, 31700 Blagnac,
France (hereinafter referred to as the "Seller"), and Frontier Airlines, Inc., a corporation organized and
existing under the laws of the State of Colorado, United States of America, having its principal corporate
offices located at 12015 East 46th Avenue, Suite 200, Denver, CO 80239-3116, USA (hereinafter referred to as
the "Buyer").

                                                  WITNESSETH

WHEREAS, the Buyer and the Seller entered into an A320 Purchase Agreement, dated as of March 10, 2000,
relating to the sale by the Seller and the purchase by the Buyer of certain Airbus Industrie A318-100 and
A319-100 model aircraft (the "Aircraft") which, together with all Exhibits, Appendixes and Letter Agreements
attached thereto is hereinafter called the "Agreement".

WHEREAS, the Buyer and the Seller have agreed to make changes to the delivery schedule of the Aircraft.

NOW, THEREFORE, IT IS AGREED AS FOLLOWS

1.       DEFINITIONS
         -----------

         Capitalized terms used herein and not otherwise defined herein will have the meanings assigned to
         them in the Agreement. The terms "herein", "hereof" and "hereunder" and words of similar import
         refer to this Amendment.

2.       CLAUSE 9:  DELIVERY SHEDULE
         ---------------------------

2.1      The Buyer and the Seller agree *.

2.2      In addition, the Buyer hereby exercises its option under *.

2.3      As a consequence of Paragraphs 2.1 and 2.2 above, the delivery schedule set forth in Clause 9.1.1 of
         the Agreement is hereby canceled and replaced by the following quoted provisions:

         QUOTE

    Firm Aircraft No.             Aircraft Type                                     Delivery
    -----------------             -------------                                     --------

                1                 *
                2                 *
                3                 *
                4                 *
                5                 *
                6                 *
                7                 *
                8                 *
                9                 *
                10                *
                11                *
                12                *

    Option Aircraft No.           Aircraft Type                                     Delivery
    ------------------            -------------                                     --------

                1                 *
                2                 *
                3                 *
                4                 *
                5                 *
                6                 *
                7                 *
                8                 *
                9                 *

         UNQUOTE

3.       PREDELIVERY PAYMENTS
         --------------------

         The  schedule of  Predelivery  Payments  for the  Aircraft.  is hereby  amended to reflect the changes
         detailed  above in Paragraph 2. On signature of this  Amendment,  the Buyer will make all  Predelivery
         Payments then due to the Seller.

4.       CLAUSE 5.3:  DEPOSIT
         --------------------

         On signature of this Amendment, the Buyer will pay the Seller the sum of US$*, which represents the
         nonrefundable deposit for the Additional Option Aircraft. The deposit paid will be credited without
         interest against the first Predelivery Payment for such Aircraft.

5.       EFFECT OF THE AMENDMENT
         -----------------------

         The Agreement will be deemed amended to the extent herein provided, and, except as specifically
         amended hereby, will continue in full force and effect in accordance with its original terms. This
         Amendment supersedes any previous understandings, commitments, or representations whatsoever,
         whether oral or written, related to the subject matter of this Amendment.

         Both  parties  agree  that this  Amendment  will  constitute  an  integral,  nonseverable  part of the
         Agreement and be governed by its  provisions,  except that if the Agreement  and this  Amendment  have
         specific provisions that are inconsistent,  the specific  provisions  contained in this Amendment will
         govern.

6.       CONFIDENTIALITY
         ---------------

         This  Amendment  is  subject  to the  confidentiality  provisions  set  forth  in  Clause  22.5 of the
         Agreement.

         IN WITNESS  WHEREOF,  the parties hereto have caused this Amendment to be executed by their respective
         officers or agents on the dates written below.

                                                              AVSA, S.A.R.L.

                                                              By: _________________

                                                              Its: _________________

                                                              Date: ________________

                                                              FRONTIER AIRLINES, INC.

                                                              By: __________________

                                                              Its: __________________

                                                              Date: ________________
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