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: 13

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1004CE	Status: Historical	App Date: 01/25/1973	Rev Date: 09/09/1974
Description: Install STOL kit.
TC Nos.: 5A6
Models: Textron Aviation Inc.180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H
ACO: Wichita ACO Branch, Tel: +1 (316) 946-4100

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1355SW	Status: Current	App Date: 07/12/1971	Rev Date: 09/05/1979
Description: Installation of wing leading edge cuff to increase leading edge radius.
TC Nos.: A9CE
Models: Textron Aviation Inc.188, 188A, A188, A188A
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1373SW	Status: Current	App Date: 07/12/1971	Rev Date: 09/05/1979
Description: Installation of fairing on wing strut intersection.
TC Nos.: A9CE
Models: Textron Aviation Inc.188, 188A, A188, A188A
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1402CE	Status: Current	App Date: 02/13/1978	Rev Date: 09/05/1979
Description: Installation of wing stall fences and aileron gap seals.
TC Nos.: 3A12
Models: Textron Aviation Inc.172M, 172N
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1403CE	Status: Current	App Date: 08/23/1977	Rev Date: 09/05/1979
Description: Installation of wing stall fences and aileron gap seals.
TC Nos.: 3A13
Models: Textron Aviation Inc.182P, 182Q
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1420CE	Status: Current	App Date: 05/05/1978	Rev Date: 09/05/1979
Description: Installation of wing leading edge cuffs(with or without de-icer boots) and wing stall fences.
TC Nos.: 3A21
Models: Textron Aviation Inc.210N, P210N, T210N
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1875SW	Status: Current	App Date: 04/22/1974	Rev Date: 09/15/1979
Description: Installation of wing edge leading cuffs, wing tips, vortex generators on fuselage and fairing on vertical tails.
TC Nos.: A2CE
Models: The Cessna Aircraft Company336
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1898SW	Status: Current	App Date: 06/12/1974	Rev Date: 09/05/1979
Description: Installation of wing leading edge cuff, flow fences, optional wing tips and dorsal fin.
TC Nos.: 2A13
Models: Piper Aircraft Inc.PA-28-140, PA-28-150, PA-28-160, PA-28-180, PA-28-235, PA-28R-180, PA-28R-200
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA420CE	Status: Current	App Date: 01/28/1966	Rev Date: 10/31/1986
Description: Installation of 0-360-( ) series engines, fixed pitch and constant speed propellers
TC Nos.: 3A12
Models: Cessna Aircraft Company172, 172A, 172B, 172C, 172D, 172E, 172F (USAF T-41A), 172G, 172H (USAF T-41A)
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, Udall, KS 67146		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA424CE	Status: Current	App Date: 01/28/1966	Rev Date: 09/05/1979
Description: Installation of Lycoming 0-360- ( ) engine and Hartzell HC-C2YK-1N7666-2, HC-92ZK-8D/8447-12A or McCauley 2D36Cl4/7BKM-4 propeller or McCauley or Sensenich fixed pitched propeller. *Landplane only
TC Nos.: 3A17
Models: Textron Aviation Inc.175C, P172D The Cessna Aircraft Company175, 175A, 175B
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA596WE	Status: Current	App Date: 01/02/1964	Rev Date: 09/05/1979
Description: Installation of Doyn Aircraft Company kit per STC SA3-571.
TC Nos.: 3A12
Models: Textron Aviation Inc.172D, 172E
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA647CE	Status: Current	App Date: 01/15/1969	Rev Date: 09/05/1979
Description: Installation of Lycoming O-360-A1A 180 h.p. engine and constant speed propeller.
TC Nos.: 3A12
Models: Textron Aviation Inc.172I, 172K, 172L, 172M, 172N
ACO: AIR-760: Central Certification Branch WI

STC Holder: Barbara or Bob Williams Box 431, 213 N. Clark, Udall, KS 67146, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA944CE	Status: Current	App Date: 06/14/1973	Rev Date: 04/24/1979
Description: Install STOL kit
TC Nos.: 3A19
Models: Textron Aviation Inc.150, 150A, 150B, 150C, 150D, 150E, 150F, 150G, 150H, 150J, 150K, 150L
ACO: AIR-760: Central Certification Branch WI