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: Offshore Navigation, Inc P.O. Box 23504, New Orleans, LA 70183, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH4068SW	Status: Current	App Date:	Rev Date: 12/16/1988
Description: Installation of Teledyne TDL-711 Loran C micro-navigator.
TC Nos.: H4SW
Models: Bell Helicopter Textron212, 412
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Offshore Navigation, Inc P.O. Box 23504, New Orleans, LA 70183, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5408SW	Status: Current	App Date:	Rev Date: 10/21/1986
Description: Installation of Loran-C Navigator Model 7000.
TC Nos.: H1NE
Models: Sikorsky Aircraft CorporationS-76A, S-76B
ACO: AIR-760: Central Certification Branch FTW

STC Holder: Offshore Navigation, Inc P.O. Box 23504, New Orleans, LA 70183, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SH5457SW	Status: Current	App Date:	Rev Date: 06/10/1983
Description: Flite-trak 100 flight following systems.
TC Nos.: H4SW
Models: Bell Helicopter Textron412
ACO: AIR-760: Central Certification Branch FTW