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: 10

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1183WE	Status: Historical	App Date:	Rev Date:
Description: RCA AVQ-75 distance measuring equipment (DME).
TC Nos.: A-762
Models: McDonnell Douglas CorporationC54-DC Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1183WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: RCA AVQ-75 distance measuring equipment (DME).
TC Nos.: A-762
Models: McDonnell Douglas CorporationC54-DC Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA209WE	Status: Historical	App Date:	Rev Date:
Description: Conversion of airplane for parachute jumping and aerial photography operations.
TC Nos.: ATC 130
Models: Curtiss-Wright CorporationTravel Air S-6000-B
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA209WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Conversion of airplane for parachute jumping and aerial photography operations.
TC Nos.: ATC 130
Models: Curtiss-Wright CorporationTravel Air S-6000-B
ACO: AIR-770: West Certification Branch SEA

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA938WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Aural warning device to sound at a 30 degree wing flap position, to be in operation when the landing gear is not down and locked.
TC Nos.: A-762
Models: McDonnell Douglas CorporationC54-DC Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA938WE	Status: Historical	App Date:	Rev Date:
Description: Aural warning device to sound at a 30 degree wing flap position, to be in operation when the landing gear is not down and locked.
TC Nos.: A-762
Models: McDonnell Douglas CorporationC54-DC Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH6CE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Snow shoes.
TC Nos.: 2H1, 2H3, H-1
Models: Bell Helicopter Textron47 Series, 47 Series, 47 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH6CE	Status: Historical	App Date:	Rev Date:
Description: Snow shoes.
TC Nos.: 2H1, 2H3, H-1
Models: Bell Helicopter Textron47 Series, 47 Series, 47 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH7CE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Cargo carrier.
TC Nos.: 2H1, 2H3, H-1
Models: Bell Helicopter Textron47 Series, 47 Series, 47 Series
ACO: AIR-770: West Certification Branch SEA

STC Holder: Johnson Flying Svc Inc P.O. Box 1366 Municipal Airport, Missoula, MT 59801, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH7CE	Status: Historical	App Date:	Rev Date:
Description: Cargo carrier.
TC Nos.: 2H1, 2H3, H-1
Models: Bell Helicopter Textron47 Series, 47 Series, 47 Series
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500