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: 5

STC Holder: Bob Williams d/b/a Bush Conversions Box 431, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2761SW	Status: Current	App Date: 02/04/1978	Rev Date: 02/26/1986
Description: Installation of leading edge cuffs, stall fences, aileron seals, wing tips.
TC Nos.: 3A13
Models: Cessna Aircraft Company182A, 182B, 182C, 182D, 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M, 182P, 182Q, 182R, R182, T182, TR182
ACO: AIR-760: Central Certification Branch WI

STC Holder: Bob Williams d/b/a Bush Conversions Box 431, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2784SW	Status: Historical	App Date: 02/04/1978	Rev Date: 06/06/1980
Description: Installation of leading edge cuffs, stall fences, aileron seals, wing tips.
TC Nos.: 3A21
Models: The Cessna Aircraft Company210, 210-5 (205), 210-5A (205A), 210A, 210B, 210C, 210D, 210E, 210F, 210G, 210H, 210J, 210K, 210L, 210M
ACO: AIR-7K0: Wichita ACO Branch

STC Holder: Bob Williams d/b/a Bush Conversions Box 431, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2852SW	Status: Current	App Date: 02/04/1978	Rev Date: 08/29/1989
Description: Installation of leading edge cuffs, stall fences, aileron seals, wing tips.
TC Nos.: 3A12
Models: The Cessna Aircraft Company172, 172A, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A), 172I, 172K, 172L, 172M, 172N, 172P, 172Q
ACO: AIR-760: Central Certification Branch WI

STC Holder: Bob Williams d/b/a Bush Conversions Box 431, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2854SW	Status: Current	App Date: 02/04/1978	Rev Date: 04/02/1985
Description: Installation of leading edge cuffs, stall fences, aileron seals, and wing tips.
TC Nos.: 5A6
Models: Cessna Aircraft Company180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K
ACO: AIR-760: Central Certification Branch WI

STC Holder: Bob Williams d/b/a Bush Conversions Box 431, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2855SW	Status: Current	App Date: 01/10/1978	Rev Date: 03/19/1985
Description: Installation of wing Leading edge cuffs, stall fences, aileron seals, and wing tips.
TC Nos.: A4CE
Models: The Cessna Aircraft Company206, P206, P206A, P206B, P206C, P206D, P206E, TP206A, TP206B, TP206C, TP206D, TP206E, TU206G, U206, U206A, U206B, U206C, U206D, U206E, U206F, U206G
ACO: AIR-760: Central Certification Branch WI