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 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 *
Helming Keith A
   2. Issuer Name and Ticker or Trading Symbol
AerCap Holdings N.V. [AER] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chief Financial Officer
(Last)
(First)
(Middle)
AERCAP HOUSE, STATIONSPLEIN 965		 3. Date of Earliest Transaction (Month/Day/Year)
09/06/2012
(Street)

SCHIPHOL AIRPORT, P7 1117CE		 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
Ordinary Shares 09/06/2012   S(1)   20,959 (2) D $ 12.78 167,668 D  
Ordinary Shares 09/07/2012   S(1)   34,041 (2) D $ 12.85 133,627 D  

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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
Helming Keith A
AERCAP HOUSE
STATIONSPLEIN 965
SCHIPHOL AIRPORT, P7 1117CE		       Chief Financial Officer  

Signatures

 /s/ Keith Helming   09/11/2012
**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) This form is filed voluntarily. As a foreign private issuer, AerCap Holdings N.V. ("AerCap") is exempted from Section 16 of the Exchange Act by Rule 3a12-3.
(2) The acquisition of 188,627 ordinary shares reported by K. Helming on a Form 4 dated August 21, 2012 was made through the exercise of AerCap options received on conversion of options in an indirect parent entity issued prior to the AerCap IPO. This conversion right would have expired prior to the AerCap option termination date and the conversion constituted a taxable event to K. Helming. K. Helming sold the 55,000 ordinary shares that are the subject of this filing and the 25,000 ordinary shares reported on a Form 4 dated August 22, 2012 to generate sufficient proceeds to cover the tax liability triggered by the conversion and exercise of the options.

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