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<SEC-DOCUMENT>0001104659-07-039818.txt : 20070702
<SEC-HEADER>0001104659-07-039818.hdr.sgml : 20070702
<ACCEPTANCE-DATETIME>20070515111750
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0001104659-07-039818
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070515

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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<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">May 15, 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 AND OVERNIGHT DELIVERY</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</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attn:&#160; Barbara C. Jacobs and Hugh Fuller</font></p>

<p style="font-family:Times New Roman;font-weight:bold;margin:0pt 0pt 12.0pt 72.0pt;text-indent:-36.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">RE:</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><font size="2" style="font-size:10.0pt;">Innovative
Solutions and Support, Inc.<br>
Amendment No. 3 to the Registration Statement on Form S-3<br>
File No. 333-140018</font></p>

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

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Innovative Solutions and Support, Inc. (the &#147;<u>Company</u>&#148;)
has today filed with the Securities and Exchange Commission (the &#147;<u>Commission</u>&#148;)
Amendment No.&nbsp;3 (&#147;<u>Amendment No.&nbsp;3</u>&#148;) to its Registration Statement
on Form&nbsp;S-3 (Registration No.&nbsp;</font>333-140018).&#160; On behalf of
the Company, we respond to the comment raised by the staff of the Commission in
a telephone call from Mr. Hugh Fuller to the undersigned by including an
updated legal opinion of Dechert LLP, dated May&nbsp;11, 2007, and providing
that the Amendment No.&nbsp;3 incorporates by reference the Company&#146;s
Form&nbsp;10-Q for the three months ended March&nbsp;31, 2007, which was filed
by the Company on May&nbsp;10, 2007.</p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If you have any questions, please feel free to contact
Henry&nbsp;N. Nassau at 215.994.2138 or the undersigned at 215.994.2621.&#160; Thank you for your cooperation and attention
to this matter.</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</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:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

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

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:47.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="52%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:52.04%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading -->Sincerely,</p>
  </td>
 </tr>
 <tr>
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:47.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="52%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:52.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:47.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="52%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:52.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:47.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="52%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:52.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:47.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="52%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:52.04%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Stephen M. Leitzell, Esq.</font></p>
  </td>
 </tr>
</table>

</div>

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

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 18.0pt;page-break-after:avoid;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">cc:</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Geoffrey S. M. Hedrick<br>
James J. Reilly<br>
Henry N. Nassau, Esq.</p>

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


 <p style="line-height:8.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>
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