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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549

FORM T-1
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STATEMENT OF ELIGIBILITY UNDER THE
TRUST INDENTURE ACT OF 1939 OF A
CORPORATION DESIGNATED TO ACT AS TRUSTEE

CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY
OF A TRUSTEE PURSUANT TO SECTION 305(b)(2)

STATE STREET BANK AND TRUST COMPANY
(EXACT NAME OF TRUSTEE AS SPECIFIED IN ITS CHARTER)

Massachusetts 04-1867445
(JURISDICTION OF INCORPORATION OR (I.R.S. EMPLOYER
ORGANIZATION IF NOT A U.S. NATIONAL BANK) IDENTIFICATION NO.)

225 Franklin Street, Boston, Massachusetts 02110
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE)

Maureen Scannell Bateman, Esq. Executive Vice President and General Counsel
225 Franklin Street, Boston, Massachusetts 02110
(617) 654-3253
(NAME, ADDRESS AND TELEPHONE NUMBER OF AGENT FOR SERVICE)

TRANSDIGM, INC.
TRANSDIGM HOLDING COMPANY
SUBSIDIARY GUARANTORS LISTED ON SCHEDULE A HERETO
(EXACT NAME OF OBLIGOR AS SPECIFIED IN ITS CHARTER)

Delaware 34-1750032/13-3733378
(STATE OR OTHER JURISDICTION OF (I.R.S. EMPLOYER
INCORPORATION OR ORGANIZATION) IDENTIFICATION NO.)

26380 CURTISS WRIGHT PARKWAY
RICHMOND HEIGHTS, OH 44143
(Address of principal executive offices) (Zip Code)

10 3/8% Senior Subordinated Notes due 2008
(TITLE OF INDENTURE SECURITIES)

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GENERAL

ITEM 1. GENERAL INFORMATION.

FURNISH THE FOLLOWING INFORMATION AS TO THE TRUSTEE:

(a) NAME AND ADDRESS OF EACH EXAMINING OR SUPERVISORY AUTHORITY TO
WHICH IT IS SUBJECT.

Department of Banking and Insurance of The Commonwealth of
Massachusetts, 100 Cambridge Street, Boston, Massachusetts.

Board of Governors of the Federal Reserve System, Washington,
D.C., Federal Deposit Insurance Corporation, Washington, D.C.

(b) WHETHER IT IS AUTHORIZED TO EXERCISE CORPORATE TRUST POWERS.
Trustee is authorized to exercise corporate trust powers.

ITEM 2. AFFILIATIONS WITH OBLIGOR.

IF THE OBLIGOR IS AN AFFILIATE OF THE TRUSTEE, DESCRIBE EACH SUCH
AFFILIATION.

The obligor is not an affiliate of the trustee or of its
parent, State Street Corporation.

(See note on page 2.)

ITEM 3. THROUGH ITEM 15. NOT APPLICABLE.

ITEM 16. LIST OF EXHIBITS.

LIST BELOW ALL EXHIBITS FILED AS PART OF THIS STATEMENT OF ELIGIBILITY.

1. A COPY OF THE ARTICLES OF ASSOCIATION OF THE TRUSTEE AS NOW IN
EFFECT.

A copy of the Articles of Association of the trustee, as now
in effect, is on file with the Securities and Exchange Commission as
Exhibit 1 to Amendment No. 1 to the Statement of Eligibility and
Qualification of Trustee (Form T-1) filed with the Registration
Statement of Morse Shoe, Inc. (File No. 22-17940) and is incorporated
herein by reference thereto.

2. A COPY OF THE CERTIFICATE OF AUTHORITY OF THE TRUSTEE TO COMMENCE
BUSINESS, IF NOT CONTAINED IN THE ARTICLES OF ASSOCIATION.

A copy of a Statement from the Commissioner of Banks of
Massachusetts that no certificate of authority for the trustee to
commence business was necessary or issued is on file with the
Securities and Exchange Commission as Exhibit 2 to Amendment No. 1 to
the Statement of Eligibility and Qualification of Trustee (Form T-1)
filed with the Registration Statement of Morse Shoe, Inc. (File No.
22-17940) and is incorporated herein by reference thereto.

3. A COPY OF THE AUTHORIZATION OF THE TRUSTEE TO EXERCISE CORPORATE
TRUST POWERS, IF SUCH AUTHORIZATION IS NOT CONTAINED IN THE
DOCUMENTS SPECIFIED IN PARAGRAPH (1) OR (2), ABOVE.

A copy of the authorization of the trustee to exercise
corporate trust powers is on file with the Securities and Exchange
Commission as Exhibit 3 to Amendment No. 1 to the Statement of
Eligibility and Qualification of Trustee (Form T-1) filed with the
Registration Statement of Morse Shoe, Inc. (File No. 22-17940) and is
incorporated herein by reference thereto.

4. A COPY OF THE EXISTING BY-LAWS OF THE TRUSTEE, OR INSTRUMENTS
CORRESPONDING THERETO.

A copy of the by-laws of the trustee, as now in effect, is on file with
the Securities and Exchange Commission as Exhibit 4 to the Statement of
Eligibility and Qualification of Trustee (Form T-1) filed with the
Registration Statement of Senior Housing Properties Trust (File No.
333-60392) and is incorporated herein by reference thereto.

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5. A COPY OF EACH INDENTURE REFERRED TO IN ITEM 4. IF THE OBLIGOR IS IN
DEFAULT.

Not applicable.

6. THE CONSENTS OF UNITED STATES INSTITUTIONAL TRUSTEES REQUIRED BY
SECTION 321(b) OF THE ACT.

The consent of the trustee required by Section 321(b) of the
Act is annexed hereto as Exhibit 6 and made a part hereof.

7. A COPY OF THE LATEST REPORT OF CONDITION OF THE TRUSTEE PUBLISHED
PURSUANT TO LAW OR THE REQUIREMENTS OF ITS SUPERVISING OR EXAMINING
AUTHORITY.

A copy of the latest report of condition of the trustee
published pursuant to law or the requirements of its supervising or
examining authority is annexed hereto as Exhibit 7 and made a part
hereof.

NOTES

In answering any item of this Statement of Eligibility which relates to
matters peculiarly within the knowledge of the obligor or any underwriter for
the obligor, the trustee has relied upon information furnished to it by the
obligor and the underwriters, and the trustee disclaims responsibility for the
accuracy or completeness of such information.

The answer furnished to Item 2. of this statement will be amended, if
necessary, to reflect any facts which differ from those stated and which would
have been required to be stated if known at the date hereof.

SIGNATURE

Pursuant to the requirements of the Trust Indenture Act of 1939, as
amended, the trustee, State Street Bank and Trust Company, a corporation
organized and existing under the laws of The Commonwealth of Massachusetts, has
duly caused this statement of eligibility to be signed on its behalf by the
undersigned, thereunto duly authorized, all in the City of Hartford and The
State of Connecticut, on the 14th day of June, 2002.

STATE STREET BANK AND TRUST COMPANY

By: /s/ Michael M. Hopkins
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NAME MICHAEL M. HOPKINS
TITLE VICE PRESIDENT

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EXHIBIT 6

CONSENT OF THE TRUSTEE

Pursuant to the requirements of Section 321(b) of the Trust Indenture
Act of 1939, as amended, in connection with the proposed issuance by TransDigm,
Inc. of its 10 3/8% Senior Subordinated Notes due 2008, we hereby consent that
reports of examination by Federal, State, Territorial or District authorities
may be furnished by such authorities to the Securities and Exchange Commission
upon request therefor.

STATE STREET BANK AND TRUST COMPANY

By: /s/ Michael M. Hopkins
----------------------
NAME MICHAEL M. HOPKINS
TITLE VICE PRESIDENT

DATED: JUNE 14, 2002

3
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EXHIBIT 7

Consolidated Report of Condition of State Street Bank and Trust Company,
Massachusetts and foreign and domestic subsidiaries, a state banking institution
organized and operating under the banking laws of this commonwealth and a member
of the Federal Reserve System, at the close of business DECEMBER 31, 2001
published in accordance with a call made by the Federal Reserve Bank of this
District pursuant to the provisions of the Federal Reserve Act and in accordance
with a call made by the Commissioner of Banks under General Laws, Chapter 172,
Section 22(a).

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<Caption>
Thousands of
ASSETS Dollars

Cash and balances due from depository institutions:
Noninterest-bearing balances and currency and coin .................................................. 1,638,539
Interest-bearing balances ........................................................................... 20,306,291
Securities ..................................................................................................... 20,724,659
Federal funds sold and securities purchased
under agreements to resell in domestic offices
of the bank and its Edge subsidiary ................................................................. 12,360,932
Loans and lease financing receivables:
Loans and leases, net of unearned income ............................................................ 5,979,937
Allowance for loan and lease losses ................................................................. 58,361
Allocated transfer risk reserve ..................................................................... 0
Loans and leases, net of unearned income and allowances ............................................. 5,921,576
Assets held in trading accounts ................................................................................ 1,781,781
Premises and fixed assets ...................................................................................... 574,101
Other real estate owned ........................................................................................ 0
Investments in unconsolidated subsidiaries ..................................................................... 35,121
Customers' liability to this bank on acceptances outstanding ................................................... 54,569
Intangible assets .............................................................................................. 579,993
Other assets ................................................................................................... 1,432,028
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Total assets ................................................................................................... 65,409,590
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LIABILITIES
Deposits:
In domestic offices ................................................................................. 12,137,037
Noninterest-bearing ....................................................................... 9,384,247
Interest-bearing .......................................................................... 2,752,790
In foreign offices and Edge subsidiary .............................................................. 26,718,438
Noninterest-bearing ....................................................................... 48,768
Interest-bearing .......................................................................... 26,669,670
Federal funds purchased and securities sold under
agreements to repurchase in domestic offices of
the bank and of its Edge subsidiary ................................................................. 18,959,275
Demand notes issued to the U.S. Treasury ....................................................................... 0
Trading liabilities ............................................................................................ 1,059,907
Other borrowed money ........................................................................................... 512,153
Subordinated notes and debentures .............................................................................. 0
Bank's liability on acceptances executed and outstanding ....................................................... 54,569
Other liabilities .............................................................................................. 1,732,217

Total liabilities .............................................................................................. 61,173,596
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Minority interest in consolidated subsidiaries ................................................................. 48,038

EQUITY CAPITAL
Perpetual preferred stock and related surplus .................................................................. 0
Common stock ................................................................................................... 29,931
Surplus ........................................................................................................ 581,840
Retained Earnings .............................................................................................. 3,502,793
Accumulated other comprehensive income ........................................................ 73,392
Other equity capital components ................................................................................ 0
Undivided profits and capital reserves/Net unrealized holding gains (losses) ................................... 0
Net unrealized holding gains (losses) on available-for-sale securities ........................ 0
Cumulative foreign currency translation adjustments ............................................................ 0
Total equity capital ........................................................................................... 4,187,956
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Total liabilities, minority interest and equity capital......................................................... 65,409,590
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I, Frederick P. Baughman, Senior Vice President and Comptroller of the above
named bank do hereby declare that this Report of Condition has been prepared in
conformance with the instructions issued by the Board of Governors of the
Federal Reserve System and is true to the best of my knowledge and belief.

Frederick P. Baughman

We, the undersigned directors, attest to the correctness of this Report of
Condition and declare that it has been examined by us and to the best of our
knowledge and belief has been prepared in conformance with the instructions
issued by the Board of Governors of the Federal Reserve System and is true and
correct.

Ronald E. Logue
David A. Spina
Truman S. Casner