Item 2.02 Results of Operations and Financial Condition.

On February 4, 2013, TransDigm Group Incorporated ("TransDigm Group" or the "Company") issued a press release announcing its financial results for its first fiscal quarter ended December 29, 2012 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.

The information contained in this item and in the accompanying exhibit shall not be incorporated by reference into any filing of the Registrant, whether made before or after the date hereof. The information in this item, including the exhibit hereto, shall not be deemed to be "filed" for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended.

TransDigm Group will host a conference call for investors and security analysts on February 4, 2013, beginning at 11:00 a.m., Eastern Time. To join the call, dial (888) 873-4896 and enter the pass code 70443788. International callers should dial (617) 213-8850 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 2:00 p.m., Eastern Time. A telephone replay will be available for two weeks by dialing (888) 286-8010 and entering the pass code 93913956. International callers should dial (617) 801-6888 and use the same pass code.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

The following exhibits are being filed with this Current Report on Form 8-K:

99.1 Press Release issued February 4, 2013.

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