STC Holder: Robert or Barbara Williams

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 2

STC Holder: Robert or Barbara Williams Address: Box 608, Udall, KS 67146, United States		Contact us to have your company added here!
STC No.: SA296GL	Status: Current	App Date: 01/27/1978	Rev Date: 04/13/1982
TC Nos.: 3A12, 3A12,
Models: Cessna Aircraft Company: 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G, 172H (USAF T-41A) , 172I , 172K , 172L , 172M , 172N
ACO: AIR-760: Central Certification Branch WI
Convert to conventional landing gear.

STC Holder: Robert or Barbara Williams Address: 213 N. Clark, Udall, KS 67146, United States		Contact us to have your company added here!
STC No.: SA807CE	Status: Current	App Date: 11/01/1971	Rev Date: 05/03/1990
TC Nos.: 3A12, 3A12,
Models: Cessna Aircraft Company: 172 , 172A , 172B , 172C , 172D , 172E , 172F (USAF T-41A) , 172G , 172H (USAF T-41A) , 172I , 172K , 172L , 172M , 172N , 172P
ACO: AIR-760: Central Certification Branch WI
Installation of Lycoming 180 hp engine and constant speed propeller. (172P LANDPLANES)