content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001031083</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000046619</issuerCik>
        <issuerName>HEICO CORP</issuerName>
        <secFileNumber>001-04604</secFileNumber>
        <issuerAddress>
          <com:street1>3000 TAFT ST</com:street1>
          <com:city>HOLLYWOOD</com:city>
          <com:stateOrCountry>FL</com:stateOrCountry>
          <com:zipCode>33021</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>954-987-4000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>MENDELSON ERIC A</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
          <relationshipToIssuer>Director</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Class A Common Stock </securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>CJS Securities </name>
          <address>
            <com:street1>50 Main Street </com:street1>
            <com:street2>Suite 325</com:street2>
            <com:city>White Plains</com:city>
            <com:stateOrCountry>NY</com:stateOrCountry>
            <com:zipCode>10606</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>100000</noOfUnitsSold>
        <aggregateMarketValue>17873000.00</aggregateMarketValue>
        <noOfUnitsOutstanding>83660813</noOfUnitsOutstanding>
        <approxSaleDate>06/24/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Class A Common Stock</securitiesClassTitle>
        <acquiredDate>12/28/2021</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Option Exercise </natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>HEICO Corporation </nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>25000</amountOfSecuritiesAcquired>
        <paymentDate>12/28/2021</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <securitiesToBeSold>
        <securitiesClassTitle>Class A Common Stock </securitiesClassTitle>
        <acquiredDate>08/28/2007</acquiredDate>
        <natureOfAcquisitionTransaction>Stock Option Exercise </natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>HEICO Corporation </nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>75000</amountOfSecuritiesAcquired>
        <paymentDate>08/28/2007</paymentDate>
        <natureOfPayment>Cash</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>Y</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>06/24/2024</noticeDate>
        <signature>/s/ Eric A. Mendelson</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
metadata_documents: [{"type": "144", "sequence": "1", "filename": "primary_doc.xml", "secsgml_size_bytes": 3393}]
text: 144
  0001031083
  XXXXXXXX
  LIVE
  0000046619
  HEICO CORP
  001-04604
  3000 TAFT ST
  HOLLYWOOD
  FL
  33021
  954-987-4000
  MENDELSON ERIC A
  Officer
  Director
  Class A Common Stock
  CJS Securities
  50 Main Street
  Suite 325
  White Plains
  NY
  10606
  100000
  17873000.00
  83660813
  06/24/2024
  NYSE
  Class A Common Stock
  12/28/2021
  Stock Option Exercise
  HEICO Corporation
  N
  25000
  12/28/2021
  Cash
  Class A Common Stock
  08/28/2007
  Stock Option Exercise
  HEICO Corporation
  N
  75000
  08/28/2007
  Cash
  Y
  06/24/2024
  /s/ Eric A. Mendelson