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 *
Macau Carlos L
   2. Issuer Name and Ticker or Trading Symbol
HEICO CORP [HEI, HEI.A] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP-CFO & Treasurer
(Last)
(First)
(Middle)
3000 TAFT STREET		 3. Date of Earliest Transaction (Month/Day/Year)
03/16/2018
(Street)

HOLLYWOOD, FL 33021		 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

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 Class A Common Stock) $ 16.0051               (1) 06/01/2022 Class A Common Stock 97,656   97,656 D  
Option (Right to purchase Class A Common Stock) $ 16.0154               (2) 06/18/2022 Class A Common Stock 24,414   24,414 D  
Option (Right to purchase Class A Common Stock) $ 19.3126               (3) 06/10/2023 Class A Common Stock 48,829   48,829 D  
Option (Right to purchase Class A Common Stock) $ 31.136               (4) 06/08/2025 Class A Common Stock 39,063   39,063 D  
Option (Right to purchase Class A Common Stock) $ 27.7504               (5) 12/14/2025 Class A Common Stock 39,063   39,063 D  
Option (Right to purchase Class A Common Stock) $ 47.968               (6) 03/17/2027 Class A Common Stock 78,125   78,125 D  
Option (Right to purchase Class A Common Stock) $ 70.3 03/16/2018   A   50,000     (7) 03/16/2028 Class A Common Stock 50,000 $ 0 50,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Macau Carlos L
3000 TAFT STREET
HOLLYWOOD, FL 33021		       EVP-CFO & Treasurer  

Signatures

 /s/ Carlos L. Macau   03/20/2018
**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) The Reporting Person owns directly Options entitling the Reporting Person to purchase an aggregate of 97,656 shares of Class A Common Stock at an exercise price of $16.0051 per share, as adjusted for stock splits and stock dividends. These Options become exercisable on various dates and expire on June 1, 2022.
(2) The Reporting Person owns directly Options entitling the Reporting Person to purchase an aggregate of 24,414 shares of Class A Common Stock at an exercise price of $16.0154 per share, as adjusted for stock splits and stock dividends. These Options become exercisable on various dates and expire on June 18, 2022.
(3) The Reporting Person owns directly Options entitling the Reporting Person to purchase an aggregate of 48,829 shares of Class A Common Stock at an exercise price of $19.3126 per share, as adjusted for stock splits and stock dividends. These Options become exercisable on various dates and expire on June 10, 2023.
(4) The Reporting Person owns directly Options entitling the Reporting Person to purchase an aggregate of 39,063 shares of Class A Common Stock at an exercise price of $31.136 per share, as adjusted for stock splits and stock dividends. These Options become exercisable on various dates and expire on June 8, 2025.
(5) The Reporting Person owns directly Options entitling the Reporting Person to purchase an aggregate of 39,063 shares of Class A Common Stock at an exercise price of $27.7504 per share, as adjusted for stock splits and stock dividends. These Options become exercisable on various dates and expire on December 14, 2025.
(6) The Reporting Person owns directly Options entitling the Reporting Person to purchase an aggregate of 78,125 shares of Class A Common Stock at an exercise price of $47.968 per share, as adjusted for stock splits and stock dividends. These Options become exercisable on various dates and expire on March 17, 2027.
(7) These Options become exercisable 20% per year over five years from the date of grant.

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