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: Bethlehem Steel Corporation Avn Svc Division, Bethlehem, PA 18016, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA227EA	Status: Current	App Date:	Rev Date: 03/29/1966
Description: Nose cap weather radome. (440 MILITARY C-131 E 580)
TC Nos.: 6A6
Models: Tracor Flight Systems Inc.340, 440 Military C-131E
ACO: AIR-750: East Certification Branch NY

STC Holder: Bethlehem Steel Corporation 701 E. Third Street, Bethlehem, PA 18016, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA925WE	Status: Current	App Date:	Rev Date: 01/01/1960
Description: Pitch servo of Sperry SP-20 autopilot system.
TC Nos.: 6A6
Models: Tracor Flight Systems Inc.340, 440 Military C-131E
ACO: AIR-750: East Certification Branch NY

STC Holder: Bethlehem Steel Corporation 701 E. Third Street, Bethlehem, PA 18016, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA925WE	Status: Historical	App Date:	Rev Date:
Description: Pitch servo of Sperry SP-20 autopilot system.
TC Nos.: 6A6
Models: Tracor Flight Systems Inc.340, 440 Military C-131E
ACO: New York ACO Branch, Tel: +1 (516) 228-7300