-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001133796-03-000072.txt : 20030424
<SEC-HEADER>0001133796-03-000072.hdr.sgml : 20030424
<ACCEPTANCE-DATETIME>20030424094014
ACCESSION NUMBER:		0001133796-03-000072
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030423
FILED AS OF DATE:		20030424

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IRWIN THOMAS S
		CENTRAL INDEX KEY:			0001193810
		RELATIONSHIP:				OFFICER

	FILING VALUES:
		FORM TYPE:		4

	BUSINESS ADDRESS:	
		STREET 1:		1782 BAY DRIVE
		CITY:			POMPANO BEACH
		STATE:			FL
		ZIP:			33062

SUBJECT COMPANY:	

	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

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-04604
		FILM NUMBER:		03661218

	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>k30474form-4.txt
<DESCRIPTION>STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
<TEXT>

                     U.S. SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                     FORM 4

                  STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
       Section 17(a) of the Public Utility Holding Company Act of 1935 or
               Section 30(f) of the Investment Company Act of 1940

[_]  Check box if no longer  subject to Section 16. Form 4 or Form 5 obligations
     may continue. See Instruction 1(b).

________________________________________________________________________________

1.   Name and Address of Reporting Person*

   Irwin                            Thomas                 S.
- --------------------------------------------------------------------------------
   (Last)                           (First)             (Middle)

                                 1782 Bay Drive
- --------------------------------------------------------------------------------
                                    (Street)

   Pompano Beach                    Florida                33062
- --------------------------------------------------------------------------------
   (City)                           (State)              (Zip)


________________________________________________________________________________

2.   Issuer Name and Ticker or Trading Symbol

      HEICO Corporation         "HEI" and "HEI.A"

________________________________________________________________________________

3.   IRS Identification Number of Reporting Person, if an Entity (Voluntary)

                              ###-##-####

________________________________________________________________________________

4.   Statement for Month/Year

                                04/23/2003
________________________________________________________________________________

5.   If Amendment, Date of Original (Month/Year)

________________________________________________________________________________

6.   Relationship of Reporting Person to Issuer
     (Check all applicable)

     [ ]  Director                             [ ]  10% Owner
     [X]  Officer (give title below)           [_]  Other (specify below)

Executive Vice President, Chief Financial Officer
________________________________________________________________________________

7.   Individual or Joint/Group Filing (Check applicable line)

     [X]  Form filed by one Reporting Person
     [_]  Form filed by more than one Reporting Person
________________________________________________________________________________


================================================================================
           Table I -- Non-Derivative Securities Acquired, Disposed of,
                             or Beneficially Owned
================================================================================
<TABLE>
<CAPTION>
                                                                                                               6.
                                                                 4.                              5.            Owner-
                                                                 Securities Acquired (A) or      Amount of     ship
                                                    3.           Disposed of (D)                 Securities    Form:     7.
                                                    Transaction  (Instr. 3, 4 and 5)             Beneficially  Direct    Nature of
                                      2.            Code         ------------------------------- Owned at End  (D) or    Indirect
1.                                    Transaction   (Instr. 8)                   (A)             of Month      Indirect  Beneficial
Title of Security                     Date          ------------     Amount      or     Price    (Instr. 3     (I)       Ownership
(Instr. 3)                            (mm/dd/yy)     Code     V                  (D)             and 4)        (Instr.4) (Instr. 4)
- -----------------------------------------------------------------------------------------------------------------------------------
<S>                                   <C>            <C>      <C>    <C>         <C>    <C>      <C>           <C>       <C>

Common Stock                                                                                        32,399        I    401(k) Plan
- -----------------------------------------------------------------------------------------------------------------------------------
Class A Common Stock                                                                                25,696        I    401(k) Plan
- -----------------------------------------------------------------------------------------------------------------------------------
Common Stock                          4/23/03        M               31,994       A     $1.20      168,653        D
- -----------------------------------------------------------------------------------------------------------------------------------
Class A Common Stock                  4/23/03        M               26,075       A     $1.20       70,565        D
====================================================================================================================================
</TABLE>
* If the Form is  filed  by more  than one  Reporting  Person,  see  Instruction
4(b)(v).
Reminder:  Report on a separate line for each class of  securities  beneficially
owned directly or indirectly.

                            (Print or Type Response)                      (Over)


                                                                     Page 1 of 2
<PAGE>


FORM 4 (continued)

Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
         (e.g., puts, calls, warrants, options, convertible securities)

================================================================================
<TABLE>
<CAPTION>
                                                                                                                    10.
                                                                                                          9.        Owner-
                                                                                                          Number    ship
                                                                                                          of        Form
                    2.                                                                                    Deriv-    of
                    Conver-                    5.                              7.                         ative     Deriv-   11.
                    sion                       Number of                       Title and Amount           Secur-    ative    Nature
                    or                         Derivative    6.                of Underlying     8.       ities     Secur-   of
                    Exer-             4.       Securities    Date              Securities        Price    Bene-     ity:     In-
                    cise     3.       Trans-   Acquired (A)  Exercisable and   (Instr. 3 and 4)  of       ficially  Direct   direct
                    Price    Trans-   action   or Disposed   Expiration Date   ----------------  Deriv-   Owned     (D) or   Bene-
1.                  of       action   Code     of(D)         (Month/Day/Year)            Amount  ative    at End    In-      ficial
Title of            Deriv-   Date     (Instr.  (Instr. 3,    ----------------            or      Secur-   of        direct   Owner-
Derivative          ative    (Month/  8)       4 and 5)      Date     Expira-            Number  ity      Month     (I)      ship
Security            Secur-   Day/     ------   ------------  Exer-    tion               of      (Instr.  (Instr.   (Instr.  (Instr.
(Instr. 3)          ity      Year)    Code V    (A)   (D)    cisable  Date     Title     Shares  5)       4)        4)       4)
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                 <C>      <C>      <C>  <C>  <C>   <C>    <C>      <C>      <C>       <C>     <C>      <C>       <C>      <C>

- ------------------------------------------------------------------------------------------------------------------------------------
Option (Right to    $1.20    4/23/03  M          --   31,994 4/27/98  4/27/03  Common    31,994   --      (1)        --
Buy Common Stock)                                                              Stock
- ------------------------------------------------------------------------------------------------------------------------------------
Option (Right to    $1.20    4/23/03  M          --   26,075 4/27/98  4/27/03  Class A   26,075   --      (1)        --
Buy Class A                                                                    Common
Common Stock)                                                                  Stock

====================================================================================================================================
</TABLE>
Explanation of Responses:
(1) In addition to these options, the Reporting Person owns directly options
    entitling the Reporting Person to purchase an aggregate of 315,749 shares
    of Common Stock and 119,245 shares of Class A Common Stock. These options
    become exercisable on various dates and have various expiration dates.


     /s/ Thomas S. Irwin                                        04/24/2003
- ---------------------------------------------            -----------------------
      **Signature of Reporting Person                             Date


**     Intentional misstatements or omissions of facts constitute Federal
       Criminal Violations.
       See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed.

If space provided is insufficient, see Instruction 6 for procedure.


                                                                     Page 2 of 2

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