EXHIBIT 23.1


The Board of Directors
Innovative Solutions and Support, Inc.


We consent to the incorporation by reference in this Registration Statement of
Innovative Solutions & Support, Inc. on Form S-8, of our report dated December
10, 2003, appearing in the Annual Report on Form 10-K of Innovative Solutions &
Support, Inc. for the year ended September 30, 2003.

/s/ DELOITTE & TOUCHE LLP

Philadelphia, Pennsylvania
February 26, 2004