-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FIQyl/KnoqSsfKibuuJicT0RAcZacmneBlAKNWy13n01E+Un87fQk8/duzmIy40Z
 6UK6+w+hxHrmkgjFt/fxjA==

<SEC-DOCUMENT>0001105838-08-000016.txt : 20080304
<SEC-HEADER>0001105838-08-000016.hdr.sgml : 20080304
<ACCEPTANCE-DATETIME>20080304171649
ACCESSION NUMBER:		0001105838-08-000016
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080229
FILED AS OF DATE:		20080304
DATE AS OF CHANGE:		20080304

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WASIAK KENNETH R
		CENTRAL INDEX KEY:			0001105627

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-00147
		FILM NUMBER:		08664850

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		212-832-1110

	MAIL ADDRESS:	
		STREET 1:		C/O PUSTORINO PUGLISI & CO LLP
		STREET 2:		515 MADISON AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HICKOK INC
		CENTRAL INDEX KEY:			0000047307
		STANDARD INDUSTRIAL CLASSIFICATION:	INDUSTRIAL INSTRUMENTS FOR MEASUREMENT, DISPLAY, AND CONTROL [3823]
		IRS NUMBER:				340288470
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		10514 DUPONT AVE
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44108
		BUSINESS PHONE:		2165418060

	MAIL ADDRESS:	
		STREET 1:		10514 DUPONT AVE
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44108

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HICKOK ELECTRICAL INSTRUMENT CO
		DATE OF NAME CHANGE:	19920703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			ROBOTTI ROBERT
		CENTRAL INDEX KEY:			0001105838

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-00147
		FILM NUMBER:		08664851

	BUSINESS ADDRESS:	
		STREET 1:		C/O ROBOTTI & COMPANY, INC
		STREET 2:		52 VANDERBILT AVENUE, SUITE 503
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		212-986-4800

	MAIL ADDRESS:	
		STREET 1:		52 VANDERBILT AVENUE
		STREET 2:		4TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2008-02-29</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000047307</issuerCik>
        <issuerName>HICKOK INC</issuerName>
        <issuerTradingSymbol>HICKA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001105838</rptOwnerCik>
            <rptOwnerName>ROBOTTI ROBERT</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>52 VANDERBILT AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2>4TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10017</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001105627</rptOwnerCik>
            <rptOwnerName>WASIAK KENNETH R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O PUSTORINO PUGLISI &amp; CO LLP</rptOwnerStreet1>
            <rptOwnerStreet2>515 MADISON AVENUE</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Shares, Par Value $1.00 Per Share</value>
            </securityTitle>
            <transactionDate>
                <value>2008-02-29</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>9757</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>11.995</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>104339</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This amount includes 73,854 shares of the Class A Common Shares, Par Value $1.00 per share (the &quot;Common Shares&quot;), directly owned by The Ravenswood Investment Company, L.P. (&quot;RIC&quot;) and beneficially owned by its partners.</footnote>
        <footnote id="F2">This amount includes 30,485 shares of the Common Shares directly owned by Ravenswood Investments III, L.P. (&quot;RI&quot;) and beneficially owned by its partners.</footnote>
        <footnote id="F3">Each Messrs. Robotti and Wasiak may be deemed to beneficially own (for the purpose of Rule 16a-1(a)(2) under the Securities Exchange Act of 1934, as amended (&quot;Exchange Act&quot;))  certain of the securities set forth in footnotes (1) and (2) above as a managing member of  Ravenswood Management Company, L.L.C. (&quot;RMC&quot;) which serves as the general partner of RIC and RI.  RMC may be deemed to beneficially own (for the purpose of Rule 16a-1(a)(2) under the Exchange Act) certain of the securities set forth in footnotes (1) and (2) above as the general partner of RIC and RI.  Each of Messrs. Robotti and Wasiak and RMC disclaims beneficial ownership of the securities referenced in such footnotes except to the extent of his or its pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Robert E. Robotti</signatureName>
        <signatureDate>2008-03-04</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Kenneth R. Wasiak</signatureName>
        <signatureDate>2008-03-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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