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: 3

STC Holder: Sorensen Sprayers, Inc P.O. Box 344, Airport Road, Worthington, MN 56187, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-1456	Status: Current	App Date:	Rev Date: 01/20/1983
Description: Installation of Transland 230-gallon hopper.
TC Nos.: A-743
Models: Boeing Airplane Company Wichita Division75 (Army PT-13), A75 Series, A75N1 Series, B75 (Navy N2S-5), B75N1 (Navy N2S-3)
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Sorensen Sprayers, Inc P.O. Box 344, Airport Road, Worthington, MN 56187, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4-667	Status: Current	App Date:	Rev Date: 01/20/1983
Description: Transland 3001 F.G. aerial dust and spray hopper installed.
TC Nos.: A-743
Models: Boeing Airplane Company Wichita Division75 Series
ACO: AIR-760: Central Certification Branch CHI

STC Holder: Sorensen Sprayers, Inc P.O. Box 344, Airport Road, Worthington, MN 56187, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH539GL	Status: Current	App Date:	Rev Date: 07/08/1981
Description: Installation of Sorensen90-gallon sprayer system.
TC Nos.: 4H12
Models: Schweizer Aircraft Corporation269C
ACO: AIR-760: Central Certification Branch CHI