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, Section 17(a) of the Public Utility Holding Company Act of 1935 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 * Rodriguez Albert J   2. Issuer Name and Ticker or Trading Symbol TransDigm Group INC [TDG] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Exec. V.P., Mergers & Aquis. (Last) (First) (Middle) MARATHONNORCO AEROSPACE, INC., 8233 IMPERIAL DRIVE 3. Date of Earliest Transaction (Month/Day/Year) 11/08/2007 (Street) WACO, TX 76712 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 Common Stock 11/08/2007   S   100 D $ 44.389 14,098 D   Common Stock 11/08/2007   S   293 D $ 44.39 13,805 D   Common Stock 11/08/2007   S   100 D $ 44.406 13,705 D   Common Stock 11/08/2007   S   300 D $ 44.41 13,405 D   Common Stock 11/08/2007   S   100 D $ 44.419 13,305 D   Common Stock 11/08/2007   S   100 D $ 44.435 13,205 D   Common Stock 11/08/2007   S   100 D $ 44.436 13,105 D   Common Stock 11/08/2007   S   300 D $ 44.44 12,805 D   Common Stock 11/08/2007   S   100 D $ 44.45 12,705 D   Common Stock 11/08/2007   S   100 D $ 44.455 12,605 D   Common Stock 11/08/2007   S   300 D $ 44.457 12,305 D   Common Stock 11/08/2007   S   100 D $ 44.459 12,205 D   Common Stock 11/08/2007   S   100 D $ 44.462 12,105 D   Common Stock 11/08/2007   S   100 D $ 44.464 12,005 D   Common Stock 11/08/2007   S   100 D $ 44.466 11,905 D   Common Stock 11/08/2007   S   100 D $ 44.47 11,805 D   Common Stock 11/08/2007   S   100 D $ 44.475 11,705 D   Common Stock 11/08/2007   S   200 D $ 44.476 11,505 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
Rodriguez Albert J MARATHONNORCO AEROSPACE, INC. 8233 IMPERIAL DRIVE WACO, TX 76712			Exec. V.P., Mergers & Aquis.

Signatures

Halle Fine Terrion, as attorney-in-fact for Albert Rodriguez		11/09/2007
**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).
Remarks: All sales reported hereunder made pursuant to an established 10b5-1 plan.

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