STC Holder: Northwest Propeller Inc

The Aviation DataBase -- STC Selection System
Aviation DataSource, Inc.

No. of STCs: 4

STC Holder: Northwest Propeller Inc Address: Boeing Field Box 28 (FAA Building), Seattle, WA 98101, United States		Contact us to have your company added here!
STC No.: SPW-2	Status: Current	App Date:	Rev Date: 01/01/1960
TC Nos.: P-891,
Models: Hartzell Propeller Inc.: HC-93Z
ACO: AIR-770: West Certification Branch SEA
Modification of Hamilton Standard4A2-V5 propeller governor to NWP-D18 on aircraft with Pratt & Whitney R-985 engines.

STC Holder: Northwest Propeller Inc Address: Boeing Field Box 28 (FAA Building), Seattle, WA 98101, United States		Contact us to have your company added here!
STC No.: SPW-2	Status: Historical	App Date:	Rev Date:
TC Nos.: P-891,
Models: Hartzell Propeller Inc.: HC-93Z
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Modification of Hamilton Standard4A2-V5 propeller governor to NWP-D18 on aircraft with Pratt & Whitney R-985 engines.

STC Holder: Northwest Propeller Inc Address: Boeing Field Box 28 (FAA Building), Seattle, WA 98101, United States		Contact us to have your company added here!
STC No.: SPW-3	Status: Current	App Date:	Rev Date: 01/01/1960
TC Nos.: P-907,
Models: Hartzell Propeller Inc.: HC-B3Z
ACO: AIR-770: West Certification Branch SEA
Modification of Hamilton Standard4A2-V5 propeller governor to NWP-D18 on aircraft with Pratt & Whitney R-985 engines.

STC Holder: Northwest Propeller Inc Address: Boeing Field Box 28 (FAA Building), Seattle, WA 98101, United States		Contact us to have your company added here!
STC No.: SPW-3	Status: Historical	App Date:	Rev Date:
TC Nos.: P-907,
Models: Hartzell Propeller Inc.: HC-B3Z
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Modification of Hamilton Standard4A2-V5 propeller governor to NWP-D18 on aircraft with Pratt & Whitney R-985 engines.