Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MENDELSON ERIC A
  2. Issuer Name and Ticker or Trading Symbol
HEICO CORP [HEI, HEI.A]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Co- President
(Last)
(First)
(Middle)
825 BRICKELL BAY DRIVE, SUITE 1644
3. Date of Earliest Transaction (Month/Day/Year)
02/23/2011
(Street)

MIAMI, FL 33131
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Class A Common Stock               68,945 D  
Common Stock 02/23/2011   M   100,000 A $ 11.3058 167,051 D  
Common Stock 02/23/2011   S   50,000 D $ 56.4612 117,051 D  
Class A Common Stock               80,136 I Owned by Corporation (1)
Common Stock               102,950 I Owned by Partnership (2)
Common Stock               1,187 I As custodian for minor children
Class A Common Stock               1,367 I As custodian for minor children
Common Stock               26,675 I By 401(k) (3)
Class A Common Stock               24,551 I By 401(k) (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option (right to purchase Common Stock) $ 11.3058 02/23/2011   M     100,000 06/11/2005 06/11/2011 Common Stock 100,000 $ 0 0 (4) D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MENDELSON ERIC A
825 BRICKELL BAY DRIVE, SUITE 1644
MIAMI, FL 33131
  X     Co- President  

Signatures

 Eric A Mendelson   02/25/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Represents shares owned by Mendelson International Corporation whose stock is owned solely by the Reporting Person and Victor Mendelson, the brother of the Reporting Person..
(2) Represents shares owned by EAM Management Limited Partners, a partnership whos sold general partner is a corporation controlled by the Reporting Person.
(3) Represents shares held for the benefit of the Reporting Person by the HEICO Corporation 401(k), based on a plan statement dated February 22, 2011.
(4) Reporting Person owns directly options entitling Reporting Person to purchase an aggregate of 434,375 shares of Common Stock and 31,251 shares of Class A Common Stock. These options become exercisable on various dates and have various expiration dates.

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