STC SR00119DE

(See Continuation Sheet Page 3 of 3 Pages) FAA Form 8110-2 (03/21) SR00119DE Midwest Aerospace TC LLC 9465 Joliet Street St. John, IN 46373 7 the Civil Air Regulations * * * See attached FAA Approved Model List (AML) No. SR00119DE for list of approved rotorcraft models and applicable airworthiness regulations Installation of an upgraded 42 degree Tail Rotor gearbox, P/N 212-040-003, and Control Cables in accordance with Garlick Helicopters, Inc. Drawing List GH142UH1RP-1, dated May 16, 1994, FAA approved August 5, 1994, or later FAA approved revision.

November 8, 1993 July 10, 2007; February 8, 2023 August 8, 1994 June 27, 1995; January 26, 2012 for Manager, West Certification Branch

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. If the holder agrees to permit another person to use this certificate, the holder shall give the other person written evidence of that permission.

3. A copy of this Certificate, Eligibility List, Flight Manual Supplement, and Maintenance Manual Supplement must be maintained as part of the permanent records of the aircraft.

FAA Form 8110-2 (03/21) SR00119DE

End FAA Form 8110-2 (03/21) Limitations and Conditions Continued:

SR00119DE

4. FAA Approved Airworthiness Limitations Section dated August 8, 1994, or later approved revision of Garlick Helicopters Rotorcraft Maintenance Manual Supplement for UH-1B, UH-1E, UH-1L, TH-L1, HH-1K models is required for this STC.

5. Aircraft modified by this STC are limited for use per 14 CFR 21.93(b)(4) to:

a. Agriculture aircraft operations are defined in 14 CFR 137.3, effective January 1, 1996, and for dispensing of Fire Fighting Materials.

b. External Load Operations. Carrying of External Loads as defined in 14 CFR 133.1 (b) effective December 20, 1976.