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: Celesco Industries 7800 Dearing, Canoga Park, CA 91304, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1138WE	Status: Current	App Date:	Rev Date: 06/08/1973
Description: Installation of fire warning monitoring circuit in engine fire detection system. (707-227, 720-027)
TC Nos.: 4A21, 4A28
Models: The Boeing Company707, 720
ACO: AIR-770: West Certification Branch LA

STC Holder: Celesco Industries 7800 Dearing, Canoga Park, CA 91304, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1551WE	Status: Current	App Date:	Rev Date: 06/08/1973
Description: Installation of fire warning moni- toring circuit in engine fire detection system. (707-331)
TC Nos.: 4A26
Models: The Boeing Company707
ACO: AIR-770: West Certification Branch LA

STC Holder: Celesco Industries 7800 Dearing, Canoga Park, CA 91304, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1555WE	Status: Current	App Date:	Rev Date: 06/08/1973
Description: Installation of fire warning elec- trical monitoring circuit in engine fire detection system. (707-321)
TC Nos.: 4A26
Models: The Boeing Company707
ACO: AIR-770: West Certification Branch LA