STC Holder: Efficiency Aircraft Components, Inc.

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

No. of STCs: 2

STC Holder: Efficiency Aircraft Components, Inc. Address: 5802 S. 228th Street, Kent, WA 98031, United States		Contact us to have your company added here!
STC No.: SP148NW	Status: Historical	App Date:	Rev Date: 02/28/1975
TC Nos.: 249, P-719,
Models: Hamilton Standard Division: 23D, 3D
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Installation of EAC propeller blades in Hamilton Standard hubs(blades AG100-OS and AG200-OS). (23D 40) (3D 40)

STC Holder: Efficiency Aircraft Components, Inc. Address: 5802 S. 228th Street, Kent, WA 98031, United States		Contact us to have your company added here!
STC No.: SP7WE	Status: Historical	App Date:	Rev Date: 07/06/1973
TC Nos.: P-206, P-257, P-719, P-736,
Models: Hamilton Standard Division: 12D, 22D, 23D, 2D
ACO: Seattle ACO Branch, Tel: +1 (206) 231-3500
Installation of AG-100-2 and AG-200-2 propeller blades in Hamilton Standard hub.