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- S-4 Registration of securities issued in business combination transactions
- 3.110 EX-3.110
- 3.111 EX-3.111
- 3.129 EX-3.129
- 3.130 EX-3.130
- 3.131 EX-3.131
- 3.132 EX-3.132
- 3.141 EX-3.141
- 3.142 EX-3.142
- 4.13 EX-4.13
- 4.22 EX-4.22
- 4.31 EX-4.31
- 4.39 EX-4.39
- 4.44 EX-4.44
- 5.1 EX-5.1
- 5.2 EX-5.2
- 5.3 EX-5.3
- 5.4 EX-5.4
- 5.5 EX-5.5
- 12.1 EX-12.1
- 23.1 EX-23.1
- 25.1 EX-25.1
- 99.1 EX-99.1
- 99.2 EX-99.2
- 99.3 EX-99.3
- 99.4 EX-99.4
- 8 Aug 19 Registration of securities issued in business combination transactions
- 2 Apr 19 Registration of securities issued in business combination transactions (amended)
- 9 Nov 18 Registration of securities issued in business combination transactions
- 10 May 17 Registration of securities issued in business combination transactions
- 20 Jan 17 Registration of securities issued in business combination transactions (amended)
- 15 Nov 16 Registration of securities issued in business combination transactions
- 29 Jan 16 Registration of securities issued in business combination transactions (amended)
Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” in the Registration Statement (Form S-4 No. 333-XXX) and related Prospectus of TransDigm Group Incorporated for the registration of $300,000,000 aggregate principal amount of its 6.500% Senior Subordinated Notes due 2025 and to the incorporation by reference herein of our reports dated November 15, 2016, with respect to the consolidated financial statements and schedule of TransDigm Group Incorporated, and the effectiveness of internal control over financial reporting of TransDigm Group Incorporated, included in its Annual Report (Form 10-K) for the year ended September 30, 2016, filed with the Securities Exchange Commission.
/s/ Ernst & Young LLP
Cleveland, Ohio
May 10, 2017