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No. of STCs: 2

STC Holder: Yarnell, Don C. Rte 1, Box 11, Underwood, WA 98651, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA497NW	Status: Current	App Date: 06/05/1977	Rev Date: 08/08/1977
Description: Installation of a Sensenich propeller
TC Nos.: A-758
Models: Aircraft Parts & Development Corp.A-3
ACO: AIR-770: West Certification Branch SEA

STC Holder: Yarnell, Don C. Rte 1, Box 11, Underwood, WA 98651, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA685NW	Status: Current	App Date: 11/18/1977	Rev Date: 11/15/1978
Description: Installation of a Lycoming engine, a Sensenich propeller, PA18 landing gear, and drooped wing tips
TC Nos.: A-761
Models: American Champion Aircraft Corp.11AC
ACO: AIR-770: West Certification Branch SEA