UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): May 17, 2005

TransDigm Inc.	TransDigm Holding Company
(Exact name of registrant as specified in its charter)	(Exact name of registrant as specified in its charter)

Delaware	Delaware
(State or other jurisdiction of incorporation)	(State or other jurisdiction of incorporation)

333-108340	333-108340-06
(Commission File Number)	(Commission File Number)

34-1750032	13-3733378
(IRS Employer Identification No.)	(IRS Employer Identification No.)

1301 East 9th Street, Suite 3710, Cleveland, Ohio	44114
(Address of principal executive offices)	(Zip Code)

(216) 706-2939

(Registrants’ telephone number, including area code)

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrants’ under any of the following provisions (see General Instruction A.2. below):

¨ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 7.01 Regulation FD Disclosure

On May 17, 2005, TransDigm Inc. issued a press release announcing its regular quarterly conference call. A copy of the press release is attached to this report as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits

(c) Exhibits

Exhibit No.	Description
99.1	Press Release issued May 17, 2005

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Co-Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

TRANSDIGM INC.
By:	/s/ Gregory Rufus
	Gregory Rufus
	Chief Financial Officer

Date: May 18, 2005

Pursuant to the requirements of the Securities Exchange Act of 1934, the Co-Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

TRANSDIGM HOLDING COMPANY
By:	/s/ Gregory Rufus
	Gregory Rufus
	Chief Financial Officer

Date: May 18, 2005

EXHIBIT INDEX

Exhibit No.	Description
99.1	Press Release issued May 17, 2005