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: 4

STC Holder: Methow Aviation Inc Hangar 201, Paine Field, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4340NM	Status: Current	App Date: 02/19/1987	Rev Date: 08/04/1988
Description: Installation of a PT-6A-20 engine ont he left side and a PT-6A-6A on the right side, each installed per instructions of STC SA1016WE.
TC Nos.: 3A20, A-765
Models: Hawker Beechcraft CorporationB90, E18S
ACO: AIR-770: West Certification Branch SEA

STC Holder: Methow Aviation Inc Hangar 201, Paine Field, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4938NM	Status: Current	App Date: 04/28/1989	Rev Date: 08/14/1990
Description: Installation of a Continental IO-520-D engine and a McCauley D2A34C58/90AT propeller.
TC Nos.: 7A12
Models: Aeronautica Macchi S.p.A.AL60
ACO: AIR-770: West Certification Branch SEA

STC Holder: Methow Aviation Inc Hangar 201, Paine Field, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4938NM	Status: Historical	App Date:	Rev Date: 01/01/1960
Description: Installation of a Continental IO-520-D engine and a McCauley D2A34C58/90AT propeller.
TC Nos.: 7A12
Models: Aeronautica Macchi S.p.A.AL60
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500

STC Holder: Methow Aviation Inc Hangar 201, Paine Field, Everett, WA 98204, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA4938NM	Status: Historical	App Date:	Rev Date:
Description: Installation of a Continental IO-520-D engine and a McCauley D2A34C58/90AT propeller.
TC Nos.: 7A12
Models: Aeronautica Macchi S.p.A.AL60
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500