<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>3
<FILENAME>dex991.txt
<DESCRIPTION>OFFICERS CERTIFICATIONS
<TEXT>
<PAGE>

Exhibit 99.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Innovative Solutions and Support,
Inc. (the "Company") on Form 10-Q for the period ending December 31, 2002 as
filed with the Securities and Exchange Commission on the date hereof (the
"Report"), each of the undersigned officers of the Company, certify, pursuant to
18 U.S.C. (S) 1350, as adopted pursuant to (S) 906 of the Sarbanes-Oxley Act of
2002, that:

     (1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

     (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and result of operations of the
Company.


/s/ Geoffrey S. M. Hedrick
-------------------------------------------------
Geoffrey S. M. Hedrick
Chairman of the Board and Chief Executive Officer
February 13, 2003


/s/ James J. Reilly
-------------------------------------------------
James J. Reilly
Chief Financial Officer
February 13, 2003


                                       16

</TEXT>
</DOCUMENT>
