Exhibit 10.2

FOURTH AMENDMENT TO EMPLOYMENT AGREEMENT

THIS FOURTH AMENDMENT TO EMPLOYMENT AGREEMENT (this “Amendment”), dated as of
November 11, 2016 is made by and between TransDigm Group Incorporated, a
Delaware corporation (the “Company”), and Bernt Iversen (“Executive”).

W I T N E S S E T H:

WHEREAS, the Company and Executive are parties to the Employment Agreement,
dated as of February 24, 2011, as amended in April 2012, October 2012 and
October 2015 (the “Employment Agreement”) setting forth certain terms and
conditions of Executive’s employment with the Company; and

WHEREAS, the Company and Executive desire to amend the Employment Agreement on
the terms and conditions set forth herein.

NOW, THEREFORE, in consideration of the foregoing and of the respective
covenants and agreements set forth below, the parties hereto agree as follows:

1.
Amendments. Section 4(b) of the Employment Agreement is amended and restated in
its entirety as follows:

(b) Bonus. For each fiscal year during the Term, the Executive shall be eligible
to participate in the Company’s annual cash bonus plan in accordance with terms
and provisions which shall be consistent with the Company’s executive bonus
policy in effect as of the date hereof. The Executive’s target bonus for fiscal
year 2017 and thereafter will be 80% of his Annual Base Salary.

2.    Counterparts. This Amendment may be executed in several counterparts, each
of which shall be deemed to be an original, but all of which together shall
constitute one and the same agreement.
3.    Governing Law. This Amendment shall be governed, construed, interpreted
and enforced in accordance with the substantive laws of the State of Ohio.
4.    Full Force and Effect. Except as expressly amended by this Amendment, all
other terms and conditions of the Employment Agreement shall remain in full
force and effect and unmodified hereby.
IN WITNESS WHEREOF, the parties have executed this Amendment on the date and
year first above written.

TRANSDIGM GROUP INCORPORATED

By: /s/ Kevin Stein
Name: Kevin Stein
Title: Chief Operating Officer

EXECUTIVE

/s/ Bernt Iversen
Bernt Iversen