Ownership Submission
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.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

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