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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 WfnlO/rZcPGrzl48Bsfa1A==

<SEC-DOCUMENT>0001140437-03-000270.txt : 20030703
<SEC-HEADER>0001140437-03-000270.hdr.sgml : 20030703
<ACCEPTANCE-DATETIME>20030703093051
ACCESSION NUMBER:		0001140437-03-000270
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030702
FILED AS OF DATE:		20030703

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MENDELSON LAURANS A
		CENTRAL INDEX KEY:			0000905847

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04604
		FILM NUMBER:		03773796

	BUSINESS ADDRESS:	
		STREET 1:		825 S. BRICKELL BAY DRIVE, SUITE 1643
		CITY:			MIAMI
		STATE:			FL
		ZIP:			33131
		BUSINESS PHONE:		3053741744

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HEICO CORP
		CENTRAL INDEX KEY:			0000046619
		STANDARD INDUSTRIAL CLASSIFICATION:	AIRCRAFT ENGINES & ENGINE PARTS [3724]
		IRS NUMBER:				650341002
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		3000 TAFT ST
		CITY:			HOLLYWOOD
		STATE:			FL
		ZIP:			33021
		BUSINESS PHONE:		3059876101

	MAIL ADDRESS:	
		STREET 1:		3000 TAFT STREET
		CITY:			HOLLYWOOD
		STATE:			FL
		ZIP:			33021

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEINICKE INSTRUMENTS CO
		DATE OF NAME CHANGE:	19860417
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>he30699f4_ex.xml
<TEXT>
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    <schemaVersion>X0101</schemaVersion>

    <documentType>4</documentType>
   <periodOfReport>2003-07-02</periodOfReport>
   <notSubjectToSection16>0</notSubjectToSection16>
    <issuer>
        <issuerCik>0000046619</issuerCik>
        <issuerName>HEICO CORP</issuerName>
        <issuerTradingSymbol>HEI,HEI.A</issuerTradingSymbol>
   </issuer>
   <reportingOwner>
      <reportingOwnerId>
            <rptOwnerCik>0000905847</rptOwnerCik>
            <rptOwnerName>MENDELSON LAURANS A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>  </rptOwnerStreet1>
            <rptOwnerStreet2>  </rptOwnerStreet2>
            <rptOwnerCity>  </rptOwnerCity>
            <rptOwnerState>  </rptOwnerState>
            <rptOwnerZipCode>  </rptOwnerZipCode>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
         <isDirector>1</isDirector>
         <isOfficer>1</isOfficer>
         <isTenPercentOwner>1</isTenPercentOwner>
         <isOther>0</isOther>
         <officerTitle>CEO, COB and President</officerTitle>
       </reportingOwnerRelationship>
   </reportingOwner>
   <nonDerivativeSecurity>
      <securityTitle>
         <value>Common Stock</value>
      </securityTitle>
      <transactionDate>
         <value>2003-07-02</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>2003-07-02</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionAmounts>
         <transactionShares>
           <value>65885</value>
         </transactionShares>
         <transactionValue>
           <value>2.01</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
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         <sharesOwnedFollowingTransaction>
           <value>65885</value>
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         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeSecurity>
   <nonDerivativeSecurity>
      <securityTitle>
         <value>Class A Common Stock</value>
      </securityTitle>
      <transactionDate>
         <value>2003-07-02</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>2003-07-02</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>53698</value>
         </transactionShares>
         <transactionValue>
           <value>2.01</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>A</value>
         </transactionAcquiredDisposedCode>
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         <directOrIndirectOwnership>
            <value>D</value>
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   <nonDerivativeSecurity>
      <securityTitle>
         <value>Class A Common Stock</value>
      </securityTitle>
      <transactionDate>
         <value>2003-07-02</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>2003-07-02</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>F</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionAmounts>
         <transactionShares>
           <value>25430</value>
         </transactionShares>
         <transactionValue>
           <value>9.44</value>
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         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
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     <postTransactionAmounts>
         <sharesOwnedFollowingTransaction>
           <value>30845</value>
            <footnoteId id="F1"/>
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      <ownershipNature>
         <directOrIndirectOwnership>
            <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </nonDerivativeSecurity>
   <derivativeSecurity>
      <securityTitle>
         <value>Option (Right to Buy Common Stock)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>2.01</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-07-02</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>2003-07-02</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
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      <transactionAmounts>
         <transactionShares>
           <value>65885</value>
         </transactionShares>
         <transactionValue>
           <value>0</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>1993-12-17</value>
      </exerciseDate>
      <expirationDate>
         <value>2003-12-17</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>65885</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <valueOwnedFollowingTransaction>
           <value>0</value>
            <footnoteId id="F2"/>
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      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeSecurity>
   <derivativeSecurity>
      <securityTitle>
         <value>Option (Right to Buy Class A Common Stock)</value>
      </securityTitle>
      <conversionOrExercisePrice>
         <value>2.01</value>
      </conversionOrExercisePrice>
      <transactionDate>
         <value>2003-07-02</value>
      </transactionDate>
      <deemedExecutionDate>
         <value>2003-07-02</value>
      </deemedExecutionDate>
      <transactionCoding>
         <transactionFormType>4</transactionFormType>
         <transactionCode>M</transactionCode>
         <equitySwapInvolved>0</equitySwapInvolved>
      </transactionCoding>
      <transactionAmounts>
         <transactionShares>
           <value>53698</value>
         </transactionShares>
         <transactionValue>
           <value>0</value>
         </transactionValue>
         <transactionAcquiredDisposedCode>
           <value>D</value>
         </transactionAcquiredDisposedCode>
      </transactionAmounts>
      <exerciseDate>
         <value>1993-12-17</value>
      </exerciseDate>
      <expirationDate>
         <value>2003-12-17</value>
      </expirationDate>
      <underlyingSecurity>
         <underlyingSecurityTitle>
           <value>Class A Common Stock</value>
         </underlyingSecurityTitle>
         <underlyingSecurityShares>
           <value>53698</value>
         </underlyingSecurityShares>
      </underlyingSecurity>
      <postTransactionAmounts>
         <valueOwnedFollowingTransaction>
           <value>0</value>
            <footnoteId id="F2"/>
         </valueOwnedFollowingTransaction>
      </postTransactionAmounts>
      <ownershipNature>
         <directOrIndirectOwnership>
           <value>D</value>
         </directOrIndirectOwnership>
      </ownershipNature>
   </derivativeSecurity>
   <footnotes>
<footnote id="F1"> In addition to the Securities reported herein, the Reporting Person owns indirectly 602,384 shares of Common Stock and 238,190 shares of Class A Common Stock owned by LAM Limited Partners, 279,058 shares of Common Stock and 71,147 shares of Class A Common Stock owned by LAM Alpha Limited Partners, 24,644 shares of Common Stock and 19,420 shares of Class A Common Stock held for the benefit of the Reporting Person by the HEICO Corporation 401(k) Plan (the Plan), including 176 shares of Common Stock and 143 shares of Class A Common Stock acquired upon receipt by the Plan of the Issuer's matching contribution for the Plan's Quarterly period ended June 30, 2003, and 45,441 shares of Common Stock and 14,408 shares of Class A Common Stock owned by the Laurans A. and Arlene H. Mendelson Charitable Foundation, Inc. (the Foundation), a non-profit Charitable Corporation. The Reporting Person disclaims beneficial ownership of securities held by the Foundation.</footnote>

<footnote id="F2"> In addition to these options, the Reporting Person owns directly options entitling the Reporting Person to purchase an aggregate of 205,085 shares of Common Stock and 167,146 shares of Class A Common Stock. These options became exercisable on various dates and have various expiration dates.</footnote>
   </footnotes>
   <ownerSignature>
      <signatureName>Laurans A. Mendelson</signatureName>
      <signatureDate>2003-07-02</signatureDate>
   </ownerSignature>
</ownershipDocument>

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</DOCUMENT>
</SEC-DOCUMENT>
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