Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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
OMB APPROVAL
OMB Number: 3235-0104
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
  Skurka Howard
 2. Date of Event Requiring Statement (Month/Day/Year)
03/14/2006		 3. Issuer Name and Ticker or Trading Symbol
TransDigm Group INC [TDG]
(Last)
(First)
(Middle)
SKURKA AEROSPACE INC., 4600 CALLE BOLERO, P.O. BOX 2869		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Pres. (Skurka Aerospace)
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CAMARILLO, CA 93011		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (1) 09/30/2005 12/31/2014 Common Stock 71,808 $ 8.52 D  
Stock Options (2) 12/31/2004 12/31/2014 Common Stock 17,952 $ 8.52 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Skurka Howard
SKURKA AEROSPACE INC.
4600 CALLE BOLERO, P.O. BOX 2869
CAMARILLO, CA 93011		       Pres. (Skurka Aerospace)  

Signatures

Deanna M. Campbell, Attorney-in-Fact for Howard Skurka 03/14/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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).
(1) Vesting is based on achievement of annual and cumulative performance metrics at 12.5% for each year from 2005 go 2008, then at 50% in 2008; subject to accelerated vesting upon sales of shares of common stock by certain investors of issuer.
(2) Vests over time in 25% increments starting on grant date and annually on the next three anniversary dates.

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

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.