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No. of STCs: 3

STC Holder: Bob or Barbara Williams Box 608, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1148SW	Status: Current	App Date: 04/20/1970	Rev Date: 04/27/1984
Description: Installation of aileron drooping
TC Nos.: 3A24
Models: The Cessna Aircraft CompanyA185E
ACO: AIR-760: Central Certification Branch WI

STC Holder: Bob or Barbara Williams Box 608, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1275NW	Status: Current	App Date: 06/11/1981	Rev Date: 08/31/1988
Description: Installation of a Hartzell HC-C2YL-1BF/F7663A-4 propeller on a Lycoming O-320-E2A engine
TC Nos.: 3A19
Models: Textron Aviation Inc.150H
ACO: AIR-760: Central Certification Branch WI

STC Holder: Bob or Barbara Williams Box 608, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2802WE	Status: Current	App Date: 06/14/1972	Rev Date: 04/19/1991
Description: Installation of Lycoming O-360-A1A engine, Sensenich 76EM8 propeller, modified fuel system, modified landing gear and other changes
TC Nos.: 3A19
Models: Textron Aviation Inc.150J
ACO: AIR-760: Central Certification Branch WI