The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. We do not provide access to STC engineering. For that you need to contact the STC holder directly. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

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