King & Spalding
                          191 Peachtree Street
                         Atlanta, Georgia 30303



                           September 15, 1997

VIA EDGAR

Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C.  20549

     Re:  International Airline Support Group, Inc. (File No. 0-18352);
          SUPPLEMENTAL PROXY SOLICITATION MATERIALS

Ladies and Gentlemen:

          On  behalf  of  International  Airline Support Group, Inc. (the
"Company"),  we  have  enclosed  for filing pursuant  to  the  Securities
Exchange Act of 1934, as amended ("Exchange  Act"),  a  proxy soliciation
letter from the Company to its Shareholders dated September 11, 1997.

          If  you  have  any  questions  regarding  the enclosed,  please
contact the undersigned at 404/572-4676.

                                   Very truly yours,

                                   /s/ Philip A. Theodore

                                   Philip A. Theodore

PAT:rm
Enclosure
cc:  Mr. George Murnane III

        [Letterhead of International Airline Support Group, Inc.]

                        September 11, 1997


          AN IMPORTANT REMINDER

Dear Shareholder:

     You have previously received proxy material in connection  with  the
upcoming  Annual Meeting of Shareholders of INTERNATIONAL AIRLINE SUPPORT
GROUP, INC.  to  be  held on September 22, 1997.  Your Board of Directors
has carefully considered  the  proposals  on  the  ballot  this  year and
believes   they  are  in  the  best  interest  of  the  Company  and  its
Shareholders.

     YOUR BOARD OF DIRECTORS RECOMMENDS A VOTE IN FAVOR OF ALL PROPOSALS.

     According to our latest records, your proxy for this meeting has not
been received.   Regardless  of  the  number of shares you may own, it is
important that they be represented at this  meeting.   YOUR  VOTE IS VERY
IMPORTANT.

     Since  the  time  remaining is short, we urge you to sign, date  and
mail the enclosed proxy promptly.  If you have already mailed your proxy,
please disregard this request.

                              Sincerely,

                              /s/ George Murnane

                              George Murnane III
                              Executive Vice President and
                              Chief Financial Officer