    <SEC-DOCUMENT>0001047469-18-001249-index.html : 20180302
    <SEC-HEADER>0001047469-18-001249.hdr.sgml : 20180302
    <ACCEPTANCE-DATETIME>20180302162641
    ACCESSION NUMBER:		0001047469-18-001249
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		7
    CONFORMED PERIOD OF REPORT:	20180423
    FILED AS OF DATE:		20180302
    DATE AS OF CHANGE:		20180302

    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:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-31157
    		FILM NUMBER:		18662379

    	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>PRE 14A
    <SEQUENCE>1
    <FILENAME>a2234379zpre14a.htm
    <DESCRIPTION>PRE 14A
    <TEXT>
    Document 1 - file: a2234379zpre14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g38473gai001.gif
    <DESCRIPTION>G38473GAI001.GIF
    <TEXT>
    Document 2 - file: g38473gai001.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g38473gai002.gif
    <DESCRIPTION>G38473GAI002.GIF
    <TEXT>
    Document 3 - file: g38473gai002.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g38473gai003.gif
    <DESCRIPTION>G38473GAI003.GIF
    <TEXT>
    Document 4 - file: g38473gai003.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g38473gai004.gif
    <DESCRIPTION>G38473GAI004.GIF
    <TEXT>
    Document 5 - file: g38473gai004.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g38473gai005.gif
    <DESCRIPTION>G38473GAI005.GIF
    <TEXT>
    Document 6 - file: g38473gai005.gif

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g38473gai006.gif
    <DESCRIPTION>G38473GAI006.GIF
    <TEXT>
    Document 7 - file: g38473gai006.gif

    </DOCUMENT>
    </SEC-DOCUMENT>