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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JstPhFF/cr/6dw0Qi6oL9QHon5jyIDnIYY53aSgGJTlPIczeZni4hG794HPlLmGp
 p+ddx6xxQr7RVkbNeT46AA==

<SEC-DOCUMENT>0001504327-11-000002.txt : 20110215
<SEC-HEADER>0001504327-11-000002.hdr.sgml : 20110215
<ACCEPTANCE-DATETIME>20110215101838
ACCESSION NUMBER:		0001504327-11-000002
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100924
FILED AS OF DATE:		20110215
DATE AS OF CHANGE:		20110215

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Brent Linda J
		CENTRAL INDEX KEY:			0001504327

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10655
		FILM NUMBER:		11612767

	MAIL ADDRESS:	
		STREET 1:		C/O ENVIRONMENTAL TECTONICS CORPORATION
		STREET 2:		125 JAMESWAY
		CITY:			SOUTHAMPTON
		STATE:			PA
		ZIP:			18966

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENVIRONMENTAL TECTONICS CORP
		CENTRAL INDEX KEY:			0000033113
		STANDARD INDUSTRIAL CLASSIFICATION:	MISCELLANEOUS ELECTRICAL MACHINERY, EQUIPMENT & SUPPLIES [3690]
		IRS NUMBER:				231714256
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0226

	BUSINESS ADDRESS:	
		STREET 1:		COUNTY LINE INDUSTRIAL PARK
		CITY:			SOUTHAMPTON
		STATE:			PA
		ZIP:			18966
		BUSINESS PHONE:		2153559100

	MAIL ADDRESS:	
		STREET 1:		COUNTYLINE INDUSTRIAL PARK
		CITY:			SOUTHAMPTON
		STATE:			PA
		ZIP:			18966

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENVIRONMENTAL TECHNOLOGY CORP
		DATE OF NAME CHANGE:	19730208
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0203</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2010-09-24</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000033113</issuerCik>
        <issuerName>ENVIRONMENTAL TECTONICS CORP</issuerName>
        <issuerTradingSymbol>ETCC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001504327</rptOwnerCik>
            <rptOwnerName>Brent Linda J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O ENVIRONMENTAL TECTONICS CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>125 JAMESWAY</rptOwnerStreet2>
            <rptOwnerCity>SOUTHAMPTON</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>18966</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>Linda J Brent</signatureName>
        <signatureDate>2011-02-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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