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<SEC-DOCUMENT>0001104659-07-016296.txt : 20070420
<SEC-HEADER>0001104659-07-016296.hdr.sgml : 20070420
<ACCEPTANCE-DATETIME>20070305145939
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001104659-07-016296
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070305

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			INNOVATIVE SOLUTIONS & SUPPORT INC
		CENTRAL INDEX KEY:			0000836690
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		IRS NUMBER:				232507402
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		420 LAPP RD
		CITY:			MALVERN
		STATE:			PA
		ZIP:			19355
		BUSINESS PHONE:		6108899898

	MAIL ADDRESS:	
		STREET 1:		420 LAPP ROAD
		CITY:			MALVERN
		STATE:			PA
		ZIP:			19355
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
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<div>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INNOVATIVE
SOLUTIONS AND SUPPORT, INC.<br> </font></b>720
Pennsylvania Drive<br>
Exton, Pennsylvania 19341<br> (610) 646-9800</p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt 252.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">March 5, 2007</font></p>

<p style="margin:0pt 0pt 12.0pt;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">VIA EDGAR</font></u></b></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">United States Securities
and Exchange Commission<br>
100 F Street, NE<br>
Washington, D.C.&#160; 20549<br>
Attn: Ms. Kathleen Collins</font></p>

<p style="margin:0pt 0pt 2.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="13%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:13.12%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.9%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading -->Re:</p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.08%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="81%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:81.92%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Innovative Solutions and Support, Inc.</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="13%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:13.12%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.9%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.08%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="81%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:81.92%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Form 10-K for Fiscal Year Ended September 30,
  2006</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="13%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:13.12%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.9%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="16%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:16.68%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">File No. 000-31157</font></b></p>
  </td>
  <td width="65%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:65.24%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
</table>

<p style="margin:0pt 0pt 10.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dear Ms. Collins:</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman"><font style="font-size:10.0pt;">In connection with the response dated March 2, 2007 by Innovative
Solutions and Support, Inc. (the &#147;Company&#148;) to the written comments of the
staff (the &#147;Staff&#148;) of the Securities and Exchange Commission (the &#147;Commission&#148;)
contained in your letter dated February 5, 2007 with respect to Form 10-K for
Fiscal Year Ended September 30, 2006 filed by the Company with the Commission
on December 7, 2006 (File No. 000-31157) (the &#147;Filing&#148;), t</font>he Company
acknowledges that:</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1. &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; the Company is responsible for the
adequacy and accuracy of the disclosure in the Filing;</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Staff comments or changes to
disclosure in response to Staff comments do not foreclose the Commission from
taking any action with respect to the Filing;</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; the Company may not assert Staff
comments as a defense in any proceeding initiated by the Commission or any
person under the federal securities laws of the United States; and</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; the Commission&#146;s Division of
Enforcement has access to all information provided to the Commission&#146;s Division
of Corporation Finance in its review of the Filing or in response to the Staff&#146;s
comments on the Filing.</font></p>

<br><hr size="3" width="100%" noshade color="#010101" align="center">

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<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.92%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.0%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading -->Very truly yours,</p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.92%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.92%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">INNOVATIVE
  SOLUTIONS AND SUPPORT, INC.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.92%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.92%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.92%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.48%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="39%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:39.62%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ JAMES J. REILLY</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:4.9%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.92%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">James J. Reilly</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.08%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.92%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:48.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Financial
  Officer</font></p>
  </td>
 </tr>
</table>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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