Item 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

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Item 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

The information required by this item will be set forth under the caption “Principal Accounting Fees and Services” in our Proxy Statement, which is incorporated herein by reference.

PART IV

15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a) Documents Filed with Report

(a) (1) Financial Statements



	Page
Report of Independent Registered Public Accounting Firm	F-1
Consolidated Balance Sheets as of September 30, 2019 and 2018	F-3
Consolidated Statements of Income for Fiscal Years Ended September 30, 2019, 2018 and 2017	F-4
Consolidated Statements of Comprehensive Income for Fiscal Years Ended September 30, 2019, 2018 and 2017	F-5
Consolidated Statements of Changes in Stockholders’ Deficit for Fiscal Years Ended September 30, 2019, 2018 and 2017	F-6
Consolidated Statements of Cash Flows for Fiscal Years Ended September 30, 2019, 2018 and 2017	F-7
Notes to Consolidated Financial Statements for Fiscal Years Ended September 30, 2019, 2018 and 2017	pages F-8 to F-58

(a) (2) Financial Statement Schedules
Valuation and Qualifying Accounts for the Fiscal Years Ended September 30, 2019, 2018 and 2017	F-59

(a) (3) Exhibits



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
2.1	Agreement and Plan of Merger dated as of October 9, 2018, by and among Esterline Technologies Corporation, TransDigm Group Incorporated and Thunderbird Merger Sub Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 11, 2018 (File No. 001-32833)
2.2	First Amendment to Agreement and Plan of Merger dated as of October 10, 2018, by and among Esterline Technologies Corporation, TransDigm Group Incorporated and Thunderbird Merger Sub Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 11, 2018 (File No. 001-32833)
3.1	Second Amended and Restated Certificate of Incorporation, filed April 28, 2014, of TransDigm Group Incorporated	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed April 28, 2014 (File No. 001-32833)
3.2	Third Amended and Restated Bylaws of TransDigm Group Incorporated	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed January 30, 2018 (File No. 001-32833)
3.3	Certificate of Incorporation, filed July 2, 1993, of NovaDigm Acquisition, Inc. (now known as TransDigm Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed January 29, 1999 (File No. 333-71397)
3.4	Certificate of Amendment, filed July 22, 1993, of the Certificate of Incorporation of NovaDigm Acquisition, Inc. (now known as TransDigm Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed January 29, 1999 (File No. 333-71397)
3.5	Bylaws of NovaDigm Acquisition, Inc. (now known as TransDigm Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed January 29, 1999 (File No. 333-71397)
3.6	Certificate of Incorporation, filed July 10, 2009, of Acme Aerospace, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 5, 2009 (File No. 001-32833)
3.7	By-laws of Acme Aerospace, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 5, 2009 (File No. 001-32833)
3.8	Articles of Incorporation, filed July 30, 1986, of ARP Acquisition Corporation (now known as Adams Rite Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed April 23, 1999 (File No. 333-71397)
3.9	Certificate of Amendment, filed September 12, 1986, of the Articles of Incorporation of ARP Acquisition Corporation (now known as Adams Rite Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed April 23, 1999 (File No. 333-71397)
3.10	Certificate of Amendment, filed January 27, 1992, of the Articles of Incorporation of Adams Rite Products, Inc. (now known as Adams Rite Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed April 23, 1999 (File No. 333-71397)
3.11	Certificate of Amendment, filed December 31, 1992, of the Articles of Incorporation of Adams Rite Products, Inc. (now known as Adams Rite Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed April 23, 1999 (File No. 333-71397)
3.12	Certificate of Amendment, filed August 11, 1997, of the Articles of Incorporation of Adams Rite Sabre International, Inc. (now known as Adams Rite Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed April 23, 1999 (File No. 333-71397)
3.13	Amended and Restated Bylaws of Adams Rite Aerospace, Inc.	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed April 23, 1999 (File No. 333-71397)
3.14	Certificate of Incorporation, filed June 18, 2007, of AeroControlex Group, Inc.	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.15	By-laws of AeroControlex Group, Inc.	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.16	Certificate of Formation, filed September 25, 2013, of Aerosonic LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.17	Limited Liability Company Agreement of Aerosonic LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.18	Certificate of Incorporation, filed November 13, 2009, of Airborne Acquisition, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.19	Bylaws of Airborne Acquisition, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.20	Amended and Restated Certificate of Incorporation, filed January 25, 2010, of HDT International Holdings, Inc. (now known as Airborne Global, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.21	Certificate of Amendment of Certificate of Incorporation, filed February 24, 2010, of HDT International Holdings, Inc. (now known as Airborne Global, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.22	Certificate of Amendment of Certificate of Incorporation, filed December 10, 2013, of HDT Global, Inc. (now known as Airborne Global, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.23	Bylaws of HDT International Holdings, Inc. (now known as Airborne Global, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.24	Certificate of Incorporation, filed November 13, 2009, of Airborne Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.25	Bylaws of Airborne Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.26	Certificate of Incorporation, filed September 1, 1995, of Wardle Storeys Inc. (now known as Airborne Systems NA Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.27	Certificate of Amendment to Certificate of Incorporation, filed May 28, 2002, of Wardle Storeys Inc. (now known as Airborne Systems NA Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.28	Bylaws of Airborne Systems NA Inc., as amended	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.29	Certificate of Incorporation, filed April 23, 2007, of Airborne Systems North America Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.30	Bylaws of Airborne Systems North America Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.31	Certificate of Incorporation, filed April 25, 1989, of Irvin Industries (Del), Inc. (now known as Airborne Systems North America of CA Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.32	Certificate of Amendment of Certificate of Incorporation, filed June 2, 1989, of Irvin Industries (Del), Inc. (now known as Airborne Systems North America of CA Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.33	Certificate of Amendment of Certificate of Incorporation, filed April 30, 1996, of Irvin Industries, Inc. (now known as Airborne Systems North America of CA Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.34	Certificate of Amendment to Certificate of Incorporation, filed April 23, 2007, of Irvin Aerospace Inc. (now known as Airborne Systems North America of CA Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.35	Bylaws of Airborne Systems North America of CA Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.36	Certificate of Incorporation, Profit, filed October 28, 1994, of Wardle Storeys (Parachutes) Inc. (now known as Airborne Systems North America of NJ Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.37	Certificate of Merger, filed February 9, 1995, of Para-Flite Inc. with and into Wardle Storeys (Parachutes) Inc. (now known as Airborne Systems North America of NJ Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.38	Certificate of Amendment to Certificate of Incorporation, filed April 23, 2007, of Para-Flite Inc. (now known as Airborne Systems North America of NJ Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.39	Certificate of Correction to Certificate of Incorporation, filed June 27, 2007, of Airborne Systems North America of NJ Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.40	Bylaws, as amended, of Airborne Systems North America of NJ Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.41	Certificate of Incorporation, filed May 8, 1985, of Am-Safe, Inc. (now known as AmSafe, Inc.)	Incorporated by reference to Form TransDigm Group Incorporated’s 10-Q, filed May 9, 2012 (File No. 001-32833)
3.42	Certificate of Amendment of Certificate of Incorporation, filed May 19, 2005, of Am-Safe, Inc. (now known as AmSafe, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.43	By-Laws of Am-Safe, Inc. (now known as AmSafe, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.44	Certificate of Incorporation, filed October 16, 2007, of AmSafe Global Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.45	Second Amended and Restated By-Laws of AmSafe Global Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.46	Restated Certificate of Incorporation, filed July 10, 1967, of Arkwin Industries, Inc.	Incorporated by reference to Amendment No. 3 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed June 27, 2013 (File No. 333-186494)
3.47	Certificate of Amendment of Certificate of Incorporation, filed November 4, 1981, of Arkwin Industries, Inc.	Incorporated by reference to Amendment No. 3 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed June 27, 2013 (File No. 333-186494)
3.48	Certificate of Amendment of Certificate of Incorporation, filed June 11, 1999, of Arkwin Industries, Inc.	Incorporated by reference to Amendment No. 3 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed June 27, 2013 (File No. 333-186494)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.49	By-laws of Arkwin Industries, Inc.	Incorporated by reference to Amendment No. 3 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed June 27, 2013 (File No. 333-186494)
3.50	Amended and Restated Certificate of Incorporation of Aviation Technologies, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.51	By-laws of Wings Holdings, Inc. (now known as Aviation Technologies, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.52	Certificate of Formation, effective June 28, 2007, of Avionic Instruments LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.53	Limited Liability Company Agreement of Avionic Instruments LLC	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No.333-144366)
3.54	Articles of Incorporation, filed December 29, 1992, of Avionics Specialties, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.55	Bylaws of Avionics Specialties, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.56	Articles of Incorporation, filed October 3, 1963, of Avtech Corporation (now known as AvtechTyee, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.57	Amendment to Articles of Incorporation, filed March 30, 1984, of Avtech Corporation (now known as AvtechTyee, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.58	Amendment to Articles of Incorporation, filed April 17, 1989, of Avtech Corporation (now known as AvtechTyee, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.59	Articles of Amendment of Articles of Incorporation, filed July 17, 1998, of Avtech Corporation (now known as AvtechTyee, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.60	Articles of Amendment to Articles of Incorporation, filed May 20, 2003, of Avtech Corporation (now known as Avtech Tyee, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.61	Articles of Amendment to Articles of Incorporation, filed May 2, 2012, of AvtechTyee, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 16, 2012 (File No. 001-32833)
3.62	By-laws of Avtech Corporation (now known as AvtechTyee, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.63	Certificate of Incorporation, filed October 24, 1977, of Transformer Technology Corporation (now known as Beta Transformer Technology Corporation)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.64	Certificate of Amendment of Certificate of Incorporation, filed December 1, 1977, of Transformer Technology Corporation (now known as Beta Transformer Technology Corporation)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.65	By-laws of Transformer Technology Corporation (now known as Beta Transformer Technology Corporation)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.66	Amended and Restated Limited Liability Company Agreement, filed July 7, 2016, of Beta Transformer Technology LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.67	Limited Liability Company Certificate of Formation of Breeze-Eastern LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 11, 2016 (File No. 001-32833)
3.68	Limited Liability Company Agreement of Breeze-Eastern LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 11, 2016 (File No. 001-32833)
3.69	Articles of Incorporation, filed February 6, 1998, of Air Carrier Acquisition Corp. (now known as Bridport-Air Carrier, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.70	Articles of Amendment, filed February 23, 1998, of Air Carrier Acquisition Corp. (now known as Bridport-Air Carrier, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.71	Articles of Amendment, filed December 14, 1999, of Bridport-Air Carrier, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.72	Amended and Restated By-Laws of Bridport-Air Carrier, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.73	Certificate of Incorporation, filed May 9, 2000, of Erie Acquisition Corp. (now known as Bridport Erie Aviation, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.74	Certificate of Amendment of Certificate of Incorporation, filed May 30, 2000, of Erie Acquisition Corp. (now known as Bridport Erie Aviation, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.75	Certificate of Amendment of Certificate of Incorporation, filed June 19, 2000, of Bridport Erie Aviation, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.76	Amended and Restated By-Laws of Erie Acquisition Corp. (now known as Bridport Erie Aviation, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.77	Certificate of Incorporation, filed July 2, 2004, of Bridport Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.78	Amended and Restated By-Laws of Bridport Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.79	Certificate of Incorporation, filed August 6, 2007, of Bruce Aerospace Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 21, 2007 (File No. 001-32833)
3.80	By-laws of Bruce Aerospace Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 21, 2007 (File No. 001-32833)
3.81	Articles of Organization of CDA InterCorp LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.82	Operating Agreement of CDA InterCorp LLC	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.83	Certificate of Formation, filed September 30, 2009, of CEF Industries, LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 24, 2009 (File No. 001-32833)
3.84	Limited Liability Company Agreement of CEF Industries, LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 24, 2009 (File No. 001-32833)
3.85	Certificate of Formation, effective June 30, 2007, of Champion Aerospace LLC	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.86	Limited Liability Company Agreement of Champion Aerospace LLC	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.87	Certificate of Incorporation, filed October 23, 1970, of ILC Data Devices Corporation (now known as Data Device Corporation)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.88	Certificate of Amendment of Certificate of Incorporation, filed April 23, 1999, of ILC Data Device Corporation (now known as Data Device Corporation)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.89	Certificate of Amendment of Certificate of Incorporation, filed July 14, 2014, of Data Device Corporation	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.90	By-laws of ILC Data Devices Corporation (now known as Data Device Corporation)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.91	Certificate of Incorporation, filed November 20, 2009, of Dukes Aerospace, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed December 4, 2009 (File No. 001-32833)
3.92	By-laws of Dukes Aerospace, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed December 4, 2009 (File No. 001-32833)
3.93	Certificate of Formation, filed February 29, 2000, of Western Sky Industries, LLC (now known as Electromech Technologies LLC)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.94	Certificate of Amendment, filed December 18, 2013, of Western Sky Industries, LLC (now known as Electromech Technologies LLC)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
3.95	Fourth Amended and Restated Limited Liability Agreement of Electromech Technologies LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.96	Articles of Organization, as amended, of HarcoSemco LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.97	First Amended and Restated Limited Liability Company Agreement of HarcoSemco LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.98	Articles of Incorporation, filed May 10, 1957, of Hartwell Aviation Supply Company (now known as Hartwell Corporation)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.99	Certificate of Amendment, filed June 9, 1960, of Articles of Incorporation of Hartwell Aviation Supply Company (now known as Hartwell Corporation)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.100	Certification of Amendment, filed October 23, 1987, of Articles of Incorporation of Hartwell Corporation	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.101	Certificate of Amendment, filed April 9, 1997, of Articles of Incorporation of Hartwell Corporation	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.102	By-laws of Hartwell Corporation	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.103	Amended and Restated Certificate of Incorporation of ILC Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.104	By-laws, as amended, of ILC Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.105	Certificate of Formation, filed January 26, 2007, of Johnson Liverpool LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.106	Amended and Restated Limited Liability Company Agreement of Johnson Liverpool LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.107	Certificate of Incorporation, filed March 28, 1994, of MPT Acquisition Corp. (now known as MarathonNorco Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed January 29, 1999 (File No. 333-71397)
3.108	Certificate of Amendment, filed May 18, 1994, of the Certificate of Incorporation of MPT Acquisition Corp. (now known as MarathonNorco Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed January 29, 1999 (File No. 333-71397)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.109	Certificate of Amendment, filed May 24, 1994, of the Certificate of Incorporation of MPT Acquisition Corp. (now known as MarathonNorco Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed January 29, 1999 (File No. 333-71397)
3.110	Certificate of Amendment, filed August 28, 2003, of the Certificate of Incorporation of Marathon Power Technologies Company (now known as MarathonNorco Aerospace, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 28, 2006 (File No. 001-32833)
3.111	Bylaws of MPT Acquisition Corp. (now known as MarathonNorco Aerospace, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Holding Company’s Form S-4, filed January 29, 1999 (File No. 333-71397)
3.112	Certificate of Incorporation, filed April 13, 2007, of McKechnie Aerospace DE, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.113	By-laws of McKechnie Aerospace DE, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.114	Certificate of Incorporation, filed April 25, 2007, of McKechnie Aerospace Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.115	By-laws of McKechnie Aerospace Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.116	Certificate of Formation, filed May 11, 2005, of Melrose US 3 LLC (now known as McKechnie Aerospace US LLC)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.117	Certificate of Amendment, filed May 11, 2007, to Certificate of Formation of Melrose US 3 LLC (now known as McKechnie Aerospace US LLC)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.118	Limited Liability Company Agreement of McKechnie Aerospace US LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.119	Restated Certificate of Incorporation, filed June 27, 2014, of North Hills Signal Processing Corp.	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed May 10, 2017 (File No. 333-217850)
3.120	By-laws of Porta Systems Corp. (now known as North Hills Signal Processing Corp.)	Incorporated by reference to TransDigm Inc’s and TransDigm Group Incorporated’s Form S-4, filed May 10, 2017 (File No. 333-217850)
3.121	Certificate of Incorporation, as amended, of Porta Systems Overseas Corp. (now known as North Hills Signal Processing Overseas Corp.)	Incorporated by reference to TransDigm Inc’s and TransDigm Group Incorporated’s Form S-4, filed May 10, 2017 (File No. 333-217850)
3.122	By-laws of Porta Systems Overseas Corp. (now known as North Hills Signal Processing Overseas Corp.)	Incorporated by reference to TransDigm Inc’s and TransDigm Group Incorporated’s Form S-4, filed May 10, 2017 (File No. 333-217850)
3.123	Certificate of Incorporation, filed April 28, 2015, of PX Acquisition Co. (now known as Pexco Aerospace, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 5, 2015 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.124	Certificate of Amendment of Certificate of Incorporation, filed May 14, 2015, of PX Acquisition Co. (now known as Pexco Aerospace, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 5, 2015 (File No. 001-32833)
3.125	By-laws of PX Acquisition Co. (now known as Pexco Aerospace, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 5, 2015 (File No. 001-32833)
3.126	Articles of Incorporation, filed October 3, 1956, of PneuDraulics, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)
3.127	Certificate of Amendment of Articles of Incorporation, filed December 9, 1970, of Articles of Incorporation of PneuDraulics, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)
3.128	Restated By-laws of PneuDraulics, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)
3.129	Limited Liability Company Certificate of Formation, filed May 30, 2007, of Schneller LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2012 (File No. 001-32833)
3.130	Amended and Restated Limited Liability Company Agreement, dated August 31, 2011, of Schneller LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2012 (File No. 001-32833)
3.131	Certificate of Incorporation, as amended, of Semco Instruments, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed September 7, 2010 (File No. 001-32833)
3.132	Certificate of Amendment of Certificate of Incorporation, filed October 17, 2012, of Semco Instruments, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 16, 2012 (File No. 001-32833)
3.133	Amended and Restated By-laws of Semco Instruments, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed September 7, 2010 (File No. 001-32833)
3.134	Certificate of Incorporation, filed September 16, 1994, of Am-Safe Commercial Products, Inc. (now known as Shield Restraint Systems, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.135	Certificate of Amendment of Certificate of Incorporation, filed May 19, 2005, of AmSafe Commercial Products, Inc. (now known as Shield Restraint Systems, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.136	Certificate of Amendment of Certificate of Incorporation, filed August 27, 2014, of AmSafe Commercial Products, Inc. (now known as Shield Restraint Systems, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 14, 2014 (File No. 001-32833)
3.137	By-laws of Am-Safe Commercial Products, Inc. (now known as Shield Restraint Systems, Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 9, 2012 (File No. 001-32833)
3.138	Certificate of Incorporation, filed December 22, 2004, of Skurka Aerospace Inc.	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed October 11, 2006 (File No. 333-137937)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.139	By-laws, as amended, of Skurka Aerospace Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.140	Certificate of Incorporation, filed August 22, 1986, of Tactair Fluid Controls, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.141	Certificate of Amendment, filed June 8, 1998, of Certificate of Incorporation of Tactair Fluid Controls, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.142	By-Laws, as amended, of Tactair Fluid Controls, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.143	Certificate of Formation, filed March 27, 2015, of Telair International LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 5, 2015 (File No. 001-32833)
3.144	Limited Liability Company Agreement of Telair International LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 5, 2015 (File No. 001-32833)
3.145	Certificate of Formation, filed February 23, 2015, of Telair US LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 5, 2015 (File No. 001-32833)
3.146	Limited Liability Company Agreement of Telair US LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 5, 2015 (File No. 001-32833)
3.147	Articles of Incorporation, filed August 6, 1999, of Texas Rotronics, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2011 (File No. 001-32833)
3.148	By-laws, as amended, of Texas Rotronics, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.149	Certificate of Formation, effective June 30, 2007, of Transicoil LLC	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.150	Limited Liability Company Agreement of Transicoil LLC	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed July 6, 2007 (File No. 333-144366)
3.151	Certificate of Formation, filed June 13, 2013, of Whippany Actuation Systems, LLC	Incorporated by reference to Amendment No. 3 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4/A, filed June 27, 2013 (File No. 333-186494)
3.152	Limited Liability Company Agreement of Whippany Actuation Systems, LLC	Incorporated by reference to Amendment No. 3 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4/A, filed June 27, 2013 (File No. 333-186494)
3.153	Restated Certificate of Incorporation of Young & Franklin Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.154	By-laws, as amended, of Young & Franklin Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
3.155	Certificate of Formation, filed May 30, 2013, of Beta Transformer Technology LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 15, 2016 (File No. 001-32833)
3.156	Amended and Restated By-laws of Kirkhill Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 4, 2018 (File No. 001-32833)
3.157	Certificate of Incorporation, as amended, of KH Acquisition I Co. (now known as Kirkhill Inc.)	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 4, 2018 (File No. 001-32833)
3.158	Certificate of Incorporation of TransDigm UK Holdings plc	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.159	Articles of Association of TransDigm UK Holdings plc	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.160	Amended and Restated Certificate of Incorporation of Extant Components Group Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.161	Bylaws of Extant Components Group Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.162	Certificate of Incorporation of Extant Components Group Intermediate, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.163	Bylaws of Extant Components Group Intermediate, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.164	Articles of Organization, as amended, of Symetrics Industries, LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.165	Amended and Restated Limited Liability Company Agreement of Symetrics Industries, LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.166	Articles of Organization, as amended, of Symetrics Technology Group, LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.167	Amended and Restated Limited Liability Company Agreement of Symetrics Technology Group, LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.168	Certificate of Incorporation, as amended, of TEAC Aerospace Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.169	Bylaws of TEAC Aerospace Holdings, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.170	Certificate of Incorporation, as amended, of TEAC Aerospace Technologies, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.171	Bylaws of TEAC Aerospace Technologies, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.172	Articles of Incorporation, filed January 2, 1992, of Skandia, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.173	Amended and Restated By-laws of Skandia, Inc.	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
3.174	Fifth Amended and Restated Certificate of Incorporation of Esterline Technologies Corporation	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.175	Second Amended and Restated By-laws of Esterline Technologies Corporation	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.176	Certificate of Formation of Esterline International Company	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.177	Amended and Restated Bylaws of Esterline International Company	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4 filed April 2, 2019 (File No. 333-228336)
3.178	Certificate of Incorporation, as amended, of Leach Holding Corporation	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.179	Amended and Restated Bylaws of Leach Holding Corporation	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.180	Certificate of Incorporation, as amended, of Leach International Corporation	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.181	Amended and Restated Bylaws of Leach International Corporation	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.182	Certificate of Incorporation of Leach Technology Group, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.183	Amended and Restated Bylaws of Leach Technology Group, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.184	Restated Articles of Incorporation of TA Aerospace Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.185	Amended and Restated Bylaws of TA Aerospace Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.186	Certificate of Formation of CMC Electronics Aurora LLC	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.187	Amended and Restated Limited Liability Company Agreement of CMC Electronics Aurora LLC	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.188	Certificate of Formation of Esterline Europe Company LLC	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.189	Amended and Restated Limited Liability Company Agreement of Esterline Europe Company LLC	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.190	Certificate of Formation, as amended, of Esterline Georgia US LLC (now known as TREALITY SVS LLC)	Filed Herewith
3.191	Amended and Restated Limited Liability Company Agreement of TREALITY SVS LLC	Filed Herewith
3.192	Amended and Restated Certificate of Formation, as amended, of Esterline Federal LLC (now known as ScioTeq LLC)	Filed Herewith
3.193	Amended and Restated Limited Liability Company Agreement of ScioTeq LLC	Filed Herewith
3.194	Certificate of Incorporation, as amended, of Angus Electronics Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.195	Amended and Restated Bylaws of Angus Electronics Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.196	Amended and Restated Articles of Incorporation of Avista, Incorporated	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.197	Amended and Restated Bylaws of Avista, Incorporated	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.198	Certificate of Incorporation, as amended, of Esterline Sensors Services Americas, Inc. (now known as Auxitrol Weston USA, Inc.)	Incorporated by reference to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed August 7, 2019 (File No. 333-233103)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.199	Amended and Restated Bylaws of Esterline Sensors Services Americas, Inc. (now known as Auxitrol Weston USA, Inc.)	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.200	Certificate of Formation of Esterline Technologies SGIP LLC	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.201	Limited Liability Company Agreement of Esterline Technologies SGIP LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 8, 2019 (File No. 001-32833)
3.202	Certificate of Incorporation of Hytek Finishes Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.203	Amended and Restated Bylaws of Hytek Finishes Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.204	Restated Articles of Incorporation of Janco Corporation	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.205	Amended and Restated Bylaws of Janco Corporation	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.206	Certificate of Incorporation, as amended, of Mason Electric Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.207	Amended and Restated Bylaws of Mason Electric Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.208	Amended and Restated Articles of Incorporation, as amended, of NMC Group, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.209	Amended and Restated Bylaws of NMC Group, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.210	Certificate of Incorporation, as amended, of Norwich Aero Products, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.211	Amended and Restated By-laws of Norwich Aero Products, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.212	Certificate of Incorporation, as amended, of Palomar Products, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.213	Amended and Restated Bylaws of Palomar Products, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
3.214	Certificate of Formation of 17111 Waterview Pkwy LLC	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.215	Limited Liability Company Agreement of 17111 Waterview Pkwy LLC	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed May 8, 2019 (File No. 001-32833)
3.216	Certificate of Incorporation of Korry Electronics Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.217	Amended and Restated Bylaws of Korry Electronics Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.218	Certificate of Incorporation of Armtec Defense Products Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.219	Amended and Restated Bylaws of Armtec Defense Products Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.220	Certificate of Incorporation of Armtec Countermeasures Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.221	Amended and Restated Bylaws of Armtec Countermeasures Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.222	Certificate of Incorporation, as amended, of Armtec Countermeasures TNO Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.223	Amended and Restated Bylaws of Armtec Countermeasures TNO Co.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.224	Certificate of Incorporation of Racal Acoustics, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.225	Amended and Restated Bylaws of Racal Acoustics, Inc.	Incorporated by reference to Amendment No. 1 to TransDigm UK Holdings plc’s, TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed April 2, 2019 (File No. 333-228336)
3.226	Certificate of Incorporation of TDG ESL Holdings Inc.	Filed Herewith
3.227	By-laws of TDG ESL Holdings Inc.	Filed Herewith
4.1	Form of Stock Certificate	Incorporated by reference to Amendment No. 3 to TransDigm Group Incorporated’s Form S-1 filed March 13, 2006 (File No. 333-130483)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
4.2	Indenture, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, the guarantors listed on the signature pages thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 6.00% Senior Subordinated Notes due 2022.	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 6, 2014 (File No. 001-32833)
4.3	Indenture, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, the guarantors listed on the signature pages thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 6.50% Senior Subordinated Notes due 2024	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 6, 2014 (File No. 001-32833)
4.4	Indenture, dated as of May 14, 2015, among TransDigm Inc., TransDigm Group Incorporated, the guarantors listed on the signature pages thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 6.50% Senior Subordinated Notes due 2025	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 19, 2015 (File No. 001-32833)
4.5	Indenture, dated as of June 9, 2016, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 6.375% Senior Subordinated Notes due 2026	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 14, 2016 (File No. 001-32833)
4.6	Indenture, dated as of May 8, 2018, among TransDigm UK Holdings plc, as issuer, TransDigm Group Incorporated and TransDigm Inc., as guarantors, the subsidiary guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm UK Holdings plc’s 6.875% Senior Subordinated Notes due 2026	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 14, 2018 (File No. 001-32833)
4.7	Indenture, dated as of February 13, 2019, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto, The Bank of New York Mellon Trust Company, N.A., as trustee and US collateral agent, and The Bank of New York Mellon, as UK collateral agent, relating to TransDigm Inc.’s 6.25% Senior Secured Notes due 2026	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 13, 2019 (File No. 001-32833)
4.8	Indenture, dated as of February 13, 2019, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 7.50% Senior Subordinated Notes due 2027	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 13, 2019 (File No. 001-32833)
4.9	Indenture, dated as of November 13, 2019, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as trustee, relating to TransDigm Inc.’s 5.50% Senior Subordinated Notes due 2027	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed November 13, 2019 (File No. 001-32833)
4.10	Form of Supplemental Indenture to Add New Guarantors	Filed Herewith
4.11	Form of TransDigm Inc.’s 6.00% Senior Subordinated Notes due 2022	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 6, 2014 (File No. 001-32833)
4.12	Form of TransDigm Inc.’s 6.50% Senior Subordinated Notes due 2024	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 6, 2014 (File No. 001-32833)
4.13	Form of TransDigm Inc.’s 6.50% Senior Subordinated Notes due 2025	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 19, 2015 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
4.14	Form of TransDigm Inc.’s 6.375% Senior Subordinated Notes due 2026	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 14, 2016 (File No. 001-32833)
4.15	Form of TransDigm UK Holdings plc’s 6.875% Senior Subordinated Notes due 2026	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 14, 2018 (File No. 001-32833)
4.16	Form of 6.25% Senior Secured Notes due 2026	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 13, 2019 (File No. 001-32833)
4.17	Form of 7.50% Senior Subordinated Notes due 2027	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 13, 2019 (File No. 001-32833)
4.18	Form of 5.50% Senior Subordinated Notes due 2027	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed November 13, 2019 (File No. 001-32833)
4.19	Description of Securities	Filed Herewith
4.20	Registration Rights Agreement, dated as of November 13, 2019, among TransDigm Inc., as issuer, TransDigm Group Incorporated, as a guarantor, the subsidiary guarantors party thereto and Morgan Stanley & Co. LLC, as representative for the initial purchasers listed therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed November 13, 2019 (File No. 001-32833)
10.1	Fifth Amended and Restated Employment Agreement, dated April 26, 2018, between TransDigm Group Incorporated and W. Nicholas Howley*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed April 30, 2018 (File No. 001-32833)
10.2	Employment Agreement, dated July 27, 2018, between TransDigm Group Incorporated and Michael Lisman*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed July 30, 2018 (File No. 001-32833)
10.3	Second Amended and Restated Employment Agreement, dated April 26, 2018, between TransDigm Group Incorporated and Kevin Stein*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed April 30, 2018 (File No. 001-32833)
10.4	Third Amended and Restated Employment Agreement, dated November 6, 2018, between TransDigm Group Incorporated and Robert Henderson*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
10.5	Employment Agreement, dated October 28, 2013, between TransDigm Group Incorporated and Jorge Valladares*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 29, 2013 (File No. 001-32833)
10.6	Employment Agreement, Dated February 24, 2011, between TransDigm Group Incorporated and Bernt Iversen*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 25, 2011 (File No. 001-32833)
10.7	First Amendment to Employment Agreement, dated April 20, 2012, between TransDigm Group Incorporated and Bernt Iversen*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed April 24, 2012 (File No. 001-32833)
10.8	Form of Amendment to Employment Agreement between TransDigm Group Incorporated and Bernt Iversen*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 25, 2012 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.9	Form of Amendment to Employment Agreement, dated October 2015, between TransDigm Group Incorporated and each of Bernt Iversen, James Skulina, and Jorge Valladares*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 27, 2015 (File No. 001-32833)
10.10	Fourth Amendment to Employment Agreement, dated November 11, 2016, between TransDigm Group Incorporated and Bernt Iversen*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed November 15, 2016 (File No. 001-32833)
10.11	Second Amendment to Employment Agreement, dated July 30, 2018, between TransDigm Group Incorporated and Jorge Valladares*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 3, 2018 (File No. 001-32833)
10.12	TransDigm Group Incorporated Fourth Amended and Restated 2003 Stock Option Plan*	Incorporated by reference to Amendment No. 1 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed November 7, 2006 (File No. 333-137937)
10.13	Amendment No. 1 to the TransDigm Group Incorporated Fourth Amended and Restated 2003 Stock Option Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 21, 2007 (File No. 001-32833)
10.14	Amendment No. 2 to the TransDigm Group Incorporated Fourth Amended and Restated 2003 Stock Option Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 7, 2008 (File No. 001-32833)
10.15	Amendment No. 3 to the TransDigm Group Incorporated Fourth Amended and Restated 2003 Stock Option Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed April 28, 2009 (File No. 001-32833)
10.16	TransDigm Group Incorporated 2006 Stock Incentive Plan*	Incorporated by reference to Amendment No. 3 to TransDigm Group Incorporated’s Form S-1, filed March 13, 2006 (File No. 333-130483)
10.17	Amendment No. 1, dated October 20, 2006, to the TransDigm Group Incorporated 2006 Stock Incentive Plan*	Incorporated by reference to Amendment No. 1 to TransDigm Inc.’s and TransDigm Group Incorporated’s Form S-4, filed November 7, 2006 (File No. 333-137937)
10.18	Second Amendment to TransDigm Group Incorporated 2006 Stock Incentive Plan, dated April 25, 2008*	Incorporated by reference to TransDigm Group Incorporated’s Schedule 14A, filed June 6, 2008 (File No. 001-32833)
10.19	Amended and Restated TransDigm Group Incorporated 2014 Stock Option Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 7, 2019 (File No. 001-32833)
10.20	TransDigm Group Incorporated 2019 Stock Option Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 4, 2019 (File No. 001-32833)
10.21	TransDigm Group Incorporated 2016 Director Share Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 10, 2016 (File No. 001-32833)
10.22	Form of Option Agreement for options granted in fiscal 2015*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed January 30, 2015 (File No. 001-32833)
10.23	Form of Option Agreement for options granted in fiscal 2016*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 10, 2016 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.24	Form of Stock Option Agreement for options awarded in fiscal 2017*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 8, 2017 (File No. 001-32833)
10.25	Form of Stock Option Agreement for options awarded in fiscal 2018*	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 9, 2018 (File No. 001-32833)
10.26	Form of Stock Option Agreement for options awarded in fiscal 2019*	Filed Herewith
10.27	Fourth Amended and Restated TransDigm Group Incorporated 2003 Stock Option Plan Dividend Equivalent Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 2, 2013 (File No. 001-32833)
10.28	Third Amended and Restated TransDigm Group Incorporated 2006 Stock Incentive Plan Dividend Equivalent Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 2, 2013 (File No. 001-32833)
10.29	TransDigm Group Incorporated 2014 Stock Option Plan Dividend Equivalent Plan*	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 28, 2014 (File No. 001-32833)
10.30	Amendment and Restatement Agreement, and Second Amendment and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, the subsidiaries of TransDigm Inc. from time to time party thereto, the lenders party thereto, as lenders, and Credit Suisse AG, as administrative agent	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed June 6, 2014 (File No. 001-32833)
10.31	Incremental Assumption and Refinancing Facility Agreement, dated as of May 14, 2015, among TransDigm Inc., TransDigm Group Incorporated, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 19, 2015 (File No. 001-32833)
10.32	Loan Modification Agreement, dated as of May 20, 2015, among TransDigm Inc., TransDigm Group Incorporated, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders party thereto	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 27, 2015 (File No. 001-32833)
10.33	Incremental Revolving Credit Assumption and Refinancing Facility Agreement, dated as of May 20, 2015, among TransDigm Inc., TransDigm Group Incorporated, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent and the other agents and lenders party thereto	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 27, 2015 (File No. 001-32833)
10.34	Incremental Term Loan Assumption Agreement dated October 14, 2016 among TransDigm Inc., TransDigm Group Incorporated, the subsidiaries of TransDigm Inc. party thereto, the lenders party thereto and Credit Suisse AG, as administrative and collateral agent	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed October 14, 2016 (File No. 001-32833)
10.35	Amendment No. 2 to the Second Amended and Restated Credit Agreement, dated as of March 6, 2017, among TransDigm Inc., as borrower, TransDigm Group Incorporated, as guarantor, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 8, 2017 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.36	Amendment No. 3 to the Second Amended and Restated Credit Agreement, dated as of August 22, 2017, among TransDigm Inc., as borrower, TransDigm Group Incorporated, as guarantor, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 24, 2017 (File No. 001-32833)
10.37	Amendment No.4 to the Second Amended and Restated Credit Agreement, dated as of November 30, 2017, among TransDigm Inc., as borrower, TransDigm Group Incorporated, as guarantor, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed December 6, 2017 (File No. 001-32833)
10.38	Refinancing Facility Agreement to the Second Amended and Restated Credit Agreement, dated as of February 22, 2018, among TransDigm Inc., as borrower, TransDigm Group Incorporated, as guarantor, the subsidiary guarantors party thereto, Credit Suisse AG, as administrative agent and collateral agent, and the other agents and lenders named therein	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed February 22, 2018 (File No. 001-32833)
10.39	Amendment No. 5, Incremental Assumption Agreement and Refinancing Facility Agreement, dated as of May 30, 2018, relating to the Second Amended and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Credit Suisse AG, as administrative agent and collateral agent for the lenders	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed May 31, 2018 (File No. 001-32833)
10.40	Amendment No. 6 and Incremental Revolving Credit Assumption Agreement, dated as of March 14, 2019, to the Second Amended and Restated Credit Agreement, dated as of June 4, 2014, among TransDigm Inc., TransDigm Group Incorporated, each subsidiary of TransDigm Inc. party thereto, the lenders party thereto, and Credit Suisse AG, as administrative agent and collateral agent for the lenders.	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 14, 2019 (File No. 001-32833)
10.41	Guarantee and Collateral Agreement, dated as of June 23, 2006, as amended and restated as of December 6, 2010, as further amended and restated as of February 14, 2011 and February 28, 2013, among TransDigm Inc., TransDigm Group Incorporated, the subsidiaries of TransDigm Inc. named therein and Credit Suisse AG as administrative agent and collateral agent	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed March 6, 2013 (File No. 001-32833)
10.42	Receivables Purchase Agreement, dated October 21, 2013, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association as a Purchaser and a Purchaser Agent, the various other Purchasers and Purchaser Agents from time to time party thereto, and PNC National Association as Administrator	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed February 5, 2014 (File No. 001-32833)
10.43	First Amendment to the Receivables Purchase Agreement, dated March 25, 2014, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association as a Purchaser, Purchaser Agent for its Purchaser Group and as Administrator	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
10.44	Second Amendment to the Receivables Purchase Agreement, dated August 8, 2014, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as a Purchaser Agent for its Purchaser Group and Administrator, and Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchase Agent for its Purchaser Group	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)
10.45	Third Amendment to the Receivables Purchase Agreement, dated March 20, 2015, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as a Purchaser Agent for its Purchaser Group and Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, and Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchase Agent for its and Atlantic’s Purchaser Group	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2015 (File No. 001-32833)
10.46	Fourth Amendment to the Receivables Purchase Agreement dated as of August 4, 2015, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as a Purchaser Agent for its Purchaser Group and Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, and Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group	Incorporated by reference to TransDigm Group Incorporated’s Form 8-K, filed August 7, 2015 (File No. 001-32833)
10.47	Ninth Amendment to the Receivables Purchase Agreement dated as of August 1, 2017, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group	Incorporated by reference to TransDigm Group Incorporated’s Form 10-K, filed November 13, 2017 (File No. 001-32833)
10.48	Tenth Amendment to the Receivables Purchase Agreement dated as of July 31, 2018, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group	Incorporated by reference to TransDigm Group Incorporated’s Form 10-Q, filed August 8, 2018 (File No. 001-32833)
10.49	Eleventh Amendment to the Receivables Purchase Agreement dated as of July 30, 2019, among TransDigm Receivables LLC, TransDigm Inc., PNC Bank, National Association, as a Committed Purchaser, as Purchaser Agent for its Purchaser Group and as Administrator, Atlantic Asset Securitization LLC, as a Conduit Purchaser, Credit Agricole Corporate and Investment Bank, as a Committed Purchaser and as a Purchaser Agent for its and Atlantic’s Purchaser Group, and Fifth Third Bank, as a Committed Purchaser and as Purchaser Agent for its Purchaser Group	Filed Herewith



Exhibit No.	Description	Filed Herewith or Incorporated by Reference From
21.1	Subsidiaries of TransDigm Group Incorporated	Filed Herewith
23.1	Consent of Independent Registered Public Accounting Firm	Filed Herewith
31.1	Certification by Principal Executive Officer of TransDigm Group Incorporated pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	Filed Herewith
31.2	Certification by Principal Financial Officer of TransDigm Group Incorporated pursuant to Rule 13a-14(a) or 15d-14(a) of the Securities Exchange Act of 1934, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002	Filed Herewith
32.1	Certification by Principal Executive Officer of TransDigm Group Incorporated pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	Filed Herewith
32.2	Certification by Principal Financial Officer of TransDigm Group Incorporated pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	Filed Herewith
101	Financial Statements and Notes to Consolidated Financial Statements formatted in Inline XBRL.	Filed Herewith
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)	Filed Herewith



*	Indicates management contract or compensatory plan contract or arrangement.

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this Report to be signed on its behalf by the undersigned, thereunto duly authorized on November 19, 2019.



TRANSDIGM GROUP INCORPORATED
By:	/s/ Michael Lisman
Name:	Michael Lisman
Title:	Chief Financial Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this Report has been signed below by the following persons on behalf of the registrant and in the capacities and as of the dates indicated.



Signature	Title	Date
/s/ Kevin Stein	President, Chief Executive Officer and Director (Principal Executive Officer)	November 19, 2019
Kevin Stein
/s/ Michael Lisman	Chief Financial Officer (Principal Financial Officer)	November 19, 2019
Michael Lisman
/s/ Sarah Wynne	Chief Accounting Officer (Principal Accounting Officer)	November 19, 2019
Sarah Wynne
/s/ W. Nicholas Howley	Executive Chairman	November 19, 2019
W. Nicholas Howley
/s/ David Barr	Director	November 19, 2019
David Barr
/s/ William Dries	Director	November 19, 2019
William Dries
/s/ Mervin Dunn	Director	November 19, 2019
Mervin Dunn
/s/ Michael Graff	Director	November 19, 2019
Michael Graff
/s/ Sean P. Hennessy	Director	November 19, 2019
Sean P. Hennessy
/s/ Raymond F. Laubenthal	Director	November 19, 2019
Raymond F. Laubenthal
/s/ Gary E. McCullough	Director	November 19, 2019
Gary E. McCullough
/s/ Michele Santana	Director	November 19, 2019
Michele Santana
/s/ Robert J. Small	Director	November 19, 2019
Robert J. Small
/s/ John Staer	Director	November 19, 2019
John Staer

TRANSDIGM GROUP INCORPORATED AND SUBSIDIARIES

ANNUAL REPORT ON FORM 10-K:

FISCAL YEAR ENDED SEPTEMBER 30, 2019

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