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No. of STCs: 2

STC Holder: David A. Stoots 3686 University Avenue, Fairbanks, AK 99709, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02155AK	Status: Current	App Date: 05/17/1999	Rev Date: 12/04/2020
Description: Installation of the Hartzell ModelHC-C2YR-1BF/F8477-4 Propeller and Hartzell Model C-1576 Damper Assembly or Hartzell Model HC-C2YR-1N/NG8301.
TC Nos.: 3A12, 3A17, A-799
Models: Textron Aviation Inc.170, 170A, 170B, 172, 172A, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172Q, 175, 175A, 175B, 175C, P172D
ACO: AIR-778: Alaska Aviation Section ANC

STC Holder: David A. Stoots 3686 University Avenue South, Fairbanks, AK 99709, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA02539AK	Status: Current	App Date: 09/12/2017	Rev Date: 10/07/2020
Description: Installation of a Continental Aerospace Technologies IO-370CLC1U8 and Hartzell Model HC-C2YR-1N/NG8301,-3, -7 Propeller
TC Nos.: 3A11, 3A12, 3A17, A-799
Models: Textron Aviation Inc.170A, 170B, 172A, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 175, 175A, 175B, 175C, 321, P172D
ACO: AIR-778: Alaska Aviation Section ANC