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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 KsMWMUkY0Z8f/uoIW2ul9gtEGKoWv/iWgf0dOyRVO0273wcvhs+SBqqzTk2HNtbw
 7qrTilHG3GbbPUrdSKcnEA==

<SEC-DOCUMENT>0000720671-03-000079.txt : 20031215
<SEC-HEADER>0000720671-03-000079.hdr.sgml : 20031215
<ACCEPTANCE-DATETIME>20031215091602
ACCESSION NUMBER:		0000720671-03-000079
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20031212
FILED AS OF DATE:		20031215

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HALIFAX CORP
		CENTRAL INDEX KEY:			0000720671
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING, DATA PROCESSING, ETC. [7370]
		IRS NUMBER:				540829246
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		5250 CHEROKEE AVE
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22312
		BUSINESS PHONE:		7037502202

	MAIL ADDRESS:	
		STREET 1:		5250 CHEROKEE AVENUE
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22312

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HALIFAX ENGINEERING INC/VA
		DATE OF NAME CHANGE:	19911204

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RESEARCH INDUSTRIES INC /VA
		CENTRAL INDEX KEY:			0001034814
		STATE OF INCORPORATION:			VA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08964
		FILM NUMBER:		031053123

	BUSINESS ADDRESS:	
		STREET 1:		1753 ARMY NAVY DRIVE
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22202
		BUSINESS PHONE:		7037502202

	MAIL ADDRESS:	
		STREET 1:		123 NORTH PITT ST
		STREET 2:		STE 201
		CITY:			ALEXANDRIA
		STATE:			VA
		ZIP:			22314
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>

<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2003-12-12</periodOfReport>


    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000720671</issuerCik>
        <issuerName>HALIFAX CORP</issuerName>
        <issuerTradingSymbol>Hx</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001034814</rptOwnerCik>
            <rptOwnerName>RESEARCH INDUSTRIES INC /VA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1753 ARMY NAVY DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>ARLINGTON</rptOwnerCity>
            <rptOwnerState>VA</rptOwnerState>
            <rptOwnerZipCode>22202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>

        <nonDerivativeTransaction>
            <securityTitle>
                <value>Halifax Corporation Common Stock Par Value $.24</value>
            </securityTitle>
            <transactionDate>
                <value>2003-12-12</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>784422</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>

    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Transfer of securities to the Estate of Arch C. Scurlock, Nancy M. Scurlock, Executrix pursuant to liquidation of Research Industries following the death of Dr. Arch C. Scurlock.</footnote>
    </footnotes>


    <ownerSignature>
        <signatureName>Nancy M. Scurlock</signatureName>
        <signatureDate>2003-12-12</signatureDate>
    </ownerSignature>

</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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