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<SEC-DOCUMENT>0001104659-09-017607.txt : 20090720
<SEC-HEADER>0001104659-09-017607.hdr.sgml : 20090719
<ACCEPTANCE-DATETIME>20090313152958
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001104659-09-017607
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20090313

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
<TEXT>

<html>

<head>





</head>

<body lang="EN-US">

<div style="font-family:Times New Roman;">

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><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:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt 5.25in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">March&nbsp;13,
2009</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">United
States Securities and Exchange Commission</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">100
F Street, NE</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Washington,
D.C. 20549-4561</font></p>

<p style="margin:0in 0in .0001pt;"><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;width:100.0%;">
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attn:</font></p>
  </td>
  <td width="94%" valign="top" style="padding:0in .7pt 0in .7pt;width:94.32%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Ms.&nbsp;Kathleen
  Collins</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="94%" valign="top" style="padding:0in .7pt 0in .7pt;width:94.32%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Ms.&nbsp;Melissa
  Feider</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="94%" valign="top" style="padding:0in .7pt 0in .7pt;width:94.32%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mr.&nbsp;Kevin
  Dougherty</font></p>
  </td>
 </tr>
 <tr>
  <td width="5%" valign="top" style="padding:0in .7pt 0in .7pt;width:5.68%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="94%" valign="top" style="padding:0in .7pt 0in .7pt;width:94.32%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Mr.&nbsp;Mark
  P. Shuman</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;"><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;width:100.0%;">
 <tr>
  <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.76%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.58%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">RE:</font></b></p>
  </td>
  <td width="82%" valign="top" style="padding:0in .7pt 0in .7pt;width:82.66%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Innovative
  Solutions and Support,&nbsp;Inc.</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.58%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="82%" valign="top" style="padding:0in .7pt 0in .7pt;width:82.66%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Form&nbsp;10-K
  and Form&nbsp;10-K/A for Fiscal Year Ended</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.58%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="82%" valign="top" style="padding:0in .7pt 0in .7pt;width:82.66%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">September&nbsp;30,
  2008</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.58%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="82%" valign="top" style="padding:0in .7pt 0in .7pt;width:82.66%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Filed
  December&nbsp;11, 2008 and December&nbsp;19, 2008</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.58%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="82%" valign="top" style="padding:0in .7pt 0in .7pt;width:82.66%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Form&nbsp;10-Q
  for the Fiscal Quarter Ended December&nbsp;31, 2008</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.58%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="82%" valign="top" style="padding:0in .7pt 0in .7pt;width:82.66%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Filed
  on February&nbsp;6, 2009</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="12%" valign="top" style="padding:0in .7pt 0in .7pt;width:12.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0in .7pt 0in .7pt;width:4.58%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="82%" valign="top" style="padding:0in .7pt 0in .7pt;width:82.66%;">
  <p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">File
  No.&nbsp;000-31157</font></b></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dear
Ms.&nbsp;Collins:</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We
acknowledge receipt of 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&nbsp;27, 2009&#160; (the &#147;Comment
Letter&#148;), with respect to Form&nbsp;10-K and Form&nbsp;10-K/A of Innovative
Solutions and Support,&nbsp;Inc. (the &#147;Company&#148;) for the Fiscal Year Ended September&nbsp;30,
2008, filed with the Commission by the Company on December&nbsp;11, 2008 and December&nbsp;19,
2008, respectively, and Form&nbsp;10-Q for the Fiscal Quarter Ended December&nbsp;31,
2008, filed with the Commission by the Company on February&nbsp;6, 2009 (File No.&nbsp;000-31157).</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">As
discussed with Ms.&nbsp;Feider yesterday, we intend to submit our response to
the Staff&#146;s comments on or before April&nbsp;3, 2009, which is fifteen business
days from the date by which a response was originally requested in the Comment
Letter.</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If
you have any questions or comments regarding the foregoing, please feel free to
contact the undersigned at (610) 646-0350.&#160;
Thank you for your cooperation and attention to this matter.</font></p>

<p style="margin:0in 0in .0001pt;"><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;width:100.0%;">
 <tr>
  <td width="54%" valign="top" style="padding:0in .7pt 0in .7pt;width:54.44%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="45%" colspan="2" valign="top" style="padding:0in .7pt 0in .7pt;width:45.56%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">I</font><font size="2" style="font-size:10.0pt;">NNOVATIVE
  SOLUTIONS AND SUPPORT, INC.</font></p>
  </td>
 </tr>
 <tr>
  <td width="54%" valign="top" style="padding:0in .7pt 0in .7pt;width:54.44%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in .7pt 0in .7pt;width:3.46%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="42%" valign="top" style="padding:0in .7pt 0in .7pt;width:42.1%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="54%" valign="top" style="padding:0in .7pt 0in .7pt;width:54.44%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in .7pt 0in .7pt;width:3.46%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="42%" valign="top" style="padding:0in .7pt 0in .7pt;width:42.1%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="54%" valign="top" style="padding:0in .7pt 0in .7pt;width:54.44%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in .7pt 0in .7pt;width:3.46%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="42%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in .7pt 0in .7pt;width:42.1%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/
  John C. Long</font></p>
  </td>
 </tr>
 <tr>
  <td width="54%" valign="top" style="padding:0in .7pt 0in .7pt;width:54.44%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in .7pt 0in .7pt;width:3.46%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="42%" valign="top" style="border:none;padding:0in .7pt 0in .7pt;width:42.1%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">John
  C. Long</font></p>
  </td>
 </tr>
 <tr>
  <td width="54%" valign="top" style="padding:0in .7pt 0in .7pt;width:54.44%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in .7pt 0in .7pt;width:3.46%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="42%" valign="top" style="padding:0in .7pt 0in .7pt;width:42.1%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief
  Financial Officer</font></p>
  </td>
 </tr>
</table>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade color="#010101" align="left"></div>

</div>
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