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: 11

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1632NM	Status: Current	App Date: 03/03/1982	Rev Date: 05/17/1982
Description: ONE-ONLY STC, S/N 10836: Installation of Bulk Liquid Cargo Tank Assembly
TC Nos.: A8NM
Models: DMI Aviation Inc.C-119F/R4Q2
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1769NM	Status: Current	App Date: 05/19/1982	Rev Date: 12/08/1982
Description: Installation of Bulk Liquid Cargo Tanks
TC Nos.: 6A3
Models: The Boeing CompanyDC-6A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2120NM	Status: Current	App Date: 06/24/1983	Rev Date: 06/24/1983
Description: Modify type design by the installation of bulk liquid cargo tank assembly
TC Nos.: A24WE
Models: Hawkins & Powers Aviation Inc.C-119G-3E
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA2675NM	Status: Current	App Date: 11/28/1984	Rev Date: 11/29/1984
Description: Modify Type Design by the Installation of Buld Liquid Cargo Tank Assembly Installed.
TC Nos.: A5NW
Models: Starbird Inc.C-119L
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA399NW	Status: Current	App Date: 11/05/1976	Rev Date: 01/20/1977
Description: Modify type design by installation of Sorm Bulk Liquid Cargo Tank Assembly SI-9101
TC Nos.: 4A22
Models: Lockheed Martin Corporation188A, 188C
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA430NW	Status: Current	App Date: 10/25/1976	Rev Date: 03/28/1977
Description: Installation of Bulk Liquid Cargo Tank Assembly
TC Nos.: 3A2
Models: Airlift International Inc.C-46R
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA594NW	Status: Current	App Date: 03/03/1978	Rev Date: 04/24/1978
Description: Modify type design by installation of side cargo door
TC Nos.: TC 785
Models: Catalina Aircraft Trust LLC28-5ACF
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA595NW	Status: Current	App Date: 03/03/1978	Rev Date: 04/24/1978
Description: Modify type design by installation of Sorm Bulk Liquid Cargo Tank Assembly
TC Nos.: TC 785
Models: Catalina Aircraft Trust LLC28-5ACF
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA691NW	Status: Current	App Date: 09/22/1978	Rev Date: 11/22/1978
Description: Installation of Sorm Bulk Liquid Cargo Takn Assembly
TC Nos.: 1A19
Models: Viking Air LimitedDHC-4A
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA797NW	Status: Current	App Date: 05/21/1979	Rev Date: 07/10/1979
Description: Modify type design
TC Nos.: A16EU
Models: Dornier Luftfahrt GmbHDo 28 D-1
ACO: AIR-770: West Certification Branch SEA

STC Holder: Sorm Inc 7999 Perimeter Rd South, Seattle, WA 98108, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH1418NM	Status: Current	App Date: 10/01/1981	Rev Date: 10/29/1981
Description: Modify Type Design by the Installation of Bulk Liquid Cargo Tank Assembly installed.
TC Nos.: H4SW
Models: Bell Helicopter Textron212
ACO: AIR-770: West Certification Branch SEA