EXHIBIT 99.3



                           AMERICAN TRANS AIR, INC.

                               Offer to Exchange
                   Pass Through Certificates, Series 2000-1
                        for a Like Amount of Registered
                   Pass Through Certificates, Series 2000-1

                  Pursuant to the Prospectus, dated [ ], 2000


To:   Brokers, Dealers, Commercial Banks,
      Trust Companies and Other Nominees:

          American Trans Air, Inc. (the "Company") is offering, upon and
subject to the terms and conditions set forth in the Prospectus, dated [ ]
2000 (the "Prospectus"), and the enclosed Letter of Transmittal (the "Letter
of Transmittal"), to exchange an aggregate principal amount of up to
$238,641,000 of Pass Through Certificates, Series 2000-1, which have been
registered under the Securities Act of 1933, as amended (the "Exchange
Certificates"), for an equal principal amount of the outstanding Pass Through
Certificates, Series 2000-1 (the "Outstanding Certificates") with the holders
thereof.

          We are requesting that you contact your clients for whom you hold
Outstanding Certificates regarding the Exchange Offer. For your information
and for forwarding to your clients for whom you hold Outstanding Certificates
registered in your name or in the name of your nominee, or who hold
Outstanding Certificates registered in their own names, we are enclosing the
following documents:

          1.   Prospectus dated [ ], 2000;

          2.   The Letter of Transmittal for your use and for the information
               of your clients;

          3.   A Notice of Guaranteed Delivery to be used to accept the
               Exchange Offer if certificates for Outstanding Certificates are
               not immediately available or time will not permit all required
               documents to reach the Exchange Agent prior to the Expiration
               Date (as defined below) or if the procedure for book-entry
               transfer cannot be completed on a timely basis;

          4.   A form of letter which may be sent to your clients for whose
               accounts you hold Outstanding Certificates registered in your
               name or the name of your nominee, with space provided for
               obtaining such clients' instructions with regard to the
               Exchange Offer;

          5.   Guidelines for Certification of Taxpayer Identification Number
               on Substitute Form W-9; and

          6.   Return envelopes addressed to Wilmington Trust Company, the
               Exchange Agent for the Outstanding Certificates.

          Your prompt action is requested, the Exchange Offer will expire at
5:00 P.M., New York City time, on [ ], 2000 unless extended by the Company
(the "Expiration Date"). Outstanding Certificates tendered pursuant to the
Exchange Offer may be withdrawn at any time before the Expiration Date.

          To participate in the Exchange Offer, a duly executed and properly
completed Letter of Transmittal (or facsimile thereof or an Agent's Message in
lieu thereof), with any required signature guarantees and any other required
documents, should be sent to the Exchange Agent and certificates representing
the Outstanding Certificates should be delivered to the Exchange Agent, all in
accordance with the instructions set forth in the Letter of Transmittal and
the Prospectus.

          If holders of Outstanding Certificates wish to tender, but it is
impracticable for them to forward their certificates for Outstanding
Certificates prior to the expiration of the Exchange Offer or to comply with
the book-entry transfer procedures on a timely basis, a tender may be effected
by following the guaranteed






delivery procedures described in the Prospectus under "The Exchange
Offer--Guaranteed Delivery Procedures".

          The Company will, upon request, reimburse brokers, dealers,
commercial banks and trust companies for reasonable and necessary costs and
expenses incurred by them in forwarding the Prospectus and the related
documents to the beneficial owners of Outstanding Certificates held by them as
nominee or in a fiduciary capacity. The Company will pay or cause to be paid
all stock transfer taxes applicable to the exchange of Outstanding
Certificates pursuant to the Exchange Offer, except as set forth in
Instruction 6 of the Letter of Transmittal.

          Any inquiries you may have with respect to the Exchange Offer, or
requests for additional copies of the enclosed materials, should be directed
to Wilmington Trust Company, the Exchange Agent for the Outstanding
Certificates, at its address and telephone number set forth on the front of
the Letter of Transmittal.

                                       Very truly yours,

                                       AMERICAN TRANS AIR, INC.

          NOTHING HEREIN OR IN THE ENCLOSED DOCUMENTS SHALL CONSTITUTE YOU OR
ANY PERSON AS AN AGENT OF THE COMPANY OR THE EXCHANGE AGENT, OR AUTHORIZE YOU
OR ANY OTHER PERSON TO USE ANY DOCUMENT OR MAKE ANY STATEMENTS ON BEHALF OF
EITHER OF THEM WITH RESPECT TO THE EXCHANGE OFFER, EXCEPT FOR STATEMENTS
EXPRESSLY MADE IN THE PROSPECTUS OR THE LETTER OF TRANSMITTAL.

Enclosures


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