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): April 30, 2007

TransDigm Group Incorporated

(Exact name of registrant as specified in its charter)

Delaware

(State or other jurisdiction of incorporation)

333-130483

(Commission File Number)

51-0484716

(IRS Employer Identification No.)

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

(216) 706-2939

(Registrant’s 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 registrant 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 2.02. Results of Operations and Financial Condition.

On April 30, 2007, TransDigm Group Incorporated issued a press release announcing its financial results for the second quarter ended March 31, 2007 and certain other information. A copy of this press release is furnished with this Report as Exhibit 99.1 and is incorporated herein by reference.

TransDigm will host a conference call for investors and security analysts today beginning at 11:00 a.m., Eastern Time. To join the call, dial (800) 901-5231 and enter the pass code 75564457. International callers should dial (617) 786-2961 and use the same pass code. A live audio webcast can be accessed online at http://www.transdigm.com. The call will be archived on the website and available for replay at approximately 1:00 p.m., Eastern Time. A telephone replay will be available for two weeks by dialing (888) 286-8010 and entering the pass code 80777092. International callers should dial (617) 801-6888 and use the same pass code.

Item 9.01. Financial Statements and Exhibits.

Exhibit No. 99.1 Press Release of TransDigm Group Incorporated, dated April 30, 2007.

SIGNATURES

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

TRANSDIGM GROUP INCORPORATED
By	/s/ Gregory Rufus
	Gregory Rufus
	Executive Vice President and Chief
	Financial Officer

Date: April 30, 2007

Exhibit Index

Exhibit No. 99.1 Press Release of TransDigm Group Incorporated, dated April 30, 2007.