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 VICTOR H
  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)
09/29/2017
(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
Common Stock               348,970 (1) D  
Class A Common Stock 09/29/2017   P   559 A $ 76.0825 182,090 (1) D  
Class A Common Stock 06/30/2017   G V 170 D $ 0 169,223 (1) I Owned by Corporation (2)
Common Stock               110,410 (1) I Owned by Partnership (3)
Common Stock               3,048 (1) I As custodian for children
Class A Common Stock               12,250 (1) I As custodian for children
Common Stock               58,658 (1) I By 401(k) (4)
Class A Common Stock               55,512 (1) I By 401(k) (4)
Common Stock               590 (1) I By Keogh Account
Class A Common Stock 09/29/2017   P   945 A $ 76.0825 10,326 (1) I By Keogh Account
Common Stock               297,806 (1) I By Trusts (5)
Class A Common Stock               87,810 (1) I By Trusts (5)
Common Stock               18,437 (1) I By Trusts (6)
Class A Common Stock               5,418 (1) I By Trusts (6)

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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

Reporting Owners

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

Signatures

 /s/ Victor H. Mendelson   10/03/2017
**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) All shares reflect the impact of a 5-for-4 stock split that was effected on April 19, 2017
(2) Represents shares owned by Mendelson International Corporation whose stock is owned solely by the Reporting Person and Eric Mendelson, the brother of the Reporting Person.
(3) Represents shares owned by VHM Management Limited Partners, a partnership whose sole general partner is a corporation controlled by the Reporting Person.
(4) Represents shares held for the benefit of the Reporting Person by the HEICO Corporation 401(k), based on a plan statement dated September 28, 2017.
(5) Represents shares gifted by the Reporting Person to trusts for the benefit of the Reporting Person's immediate family members and whose Trustee is the Reporting Person.
(6) Represents shares owned by the Victor H. Mendelson Revocable Investment Trust which is owned solely by the Reporting Person.

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