The Aviation DataBase®
Complete Aviation Regulatory Library
Sept. 11 Sept. 11
DataBases updated: Jan 9th, 2026
Home Products Library Support Account Login Contact

STC Holder: Leach, Franklin E.

The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 1

STC Holder:
Leach, Franklin E.
1326 33rd Ave So., Seattle, WA 98144, United States
If you are an STC Holder, Contact us to have your company added here!
STC No.: SA20NWStatus: CurrentApp Date: 11/06/1972Rev Date: 12/29/1972
Description: Installation of a Lycoming O-360-A1A engine and a Hartzell propeller
TC Nos.: 3A17
Models:
Cessna Aircraft Company175
ACO: AIR-770: West Certification Branch SEA