SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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

OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response: 0.5

1. Name and Address of Reporting Person* TCG HOLDINGS LLC (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE., N.W., STE 220 (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/27/2011	3. Issuer Name and Ticker or Trading Symbol Wesco Aircraft Holdings, Inc [ WAIR ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	71,234,843(1)(2)(3)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* TCG HOLDINGS LLC (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE., N.W., STE 220 (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Falcon Aerospace Holdings, LLC (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE., N.W., STE 220 (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Carlyle Partners IV L P (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE., N.W., STE 220 (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* TC Group IV, L.P. (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE., N.W., STE 220 (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* TC Group IV Managing GP, L.L.C. (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE., N.W., STE 220 (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* TC GROUP LLC (Last) (First) (Middle) C/O THE CARLYLE GROUP 1001 PENNSYLVANIA AVE., N.W., STE 220 (Street) WASHINGTON DC 20004-2505 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. Reflects a nine-for-one stock split of Wesco Aircraft Holdings, Inc.'s (the "Company") outstanding securities prior to the effectiveness of the Company's Registration Statement on Form S-1 (File No. 333-173381).

2. Carlyle Partners IV, L.P. is the managing member of Falcon Aerospace Holdings, LLC. TC Group IV, L.P. is the general partner of Carlyle Partners IV, L.P. TC Group IV Managing GP, L.L.C. is the general partner of TC Group IV, L.P. TC Group, L.L.C. is the managing member of TC Group IV Managing GP, L.L.C. TCG Holdings, L.L.C. is the managing member of TC Group, L.L.C. Accordingly, Carlyle Partners IV, L.P., TC Group IV, L.P., TC Group IV Managing GP, L.L.C., TC Group, L.L.C. and TCG Holdings, L.L.C. each may be deemed to share beneficial ownership of shares of the Company's common stock, par value $0.001 per share (the "Common Stock"), owned of record by Falcon Aerospace Holdings, LLC.

3. TCG Holdings, L.L.C. is managed by a three person managing board, and all board action relating to the voting or disposition of these shares requires approval of a majority of the board. William E. Conway, Jr., Daniel A. D'Aniello and David M. Rubenstein are managing members of TCG Holdings, L.L.C. and, in such capacity, may be deemed to share beneficial ownership of shares of Common Stock beneficially owned by TCG Holdings, L.L.C. Such individuals expressly disclaim any such beneficial ownership.

Remarks:

Exhibit List Exhibit 24 - Power of Attorney Exhibit 99 - Joint Filer Information

	/s/ Jeremy W. Anderson, as Attorney-in-Fact for David M. Rubenstein	07/27/2011
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.