The STC search system is a complimentary service provided to the aviation community. We hope you find it useful. Our primary product is a comprehensive library of aviation regulations and standards, including tools for generating Airworthiness Directive compliance reports.

No. of STCs: 2

STC Holder: McCoy Avionics Corp 1445 Summit Street, Columbus, OH 43201, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1343GL	Status: Current	App Date:	Rev Date: 12/02/1988
Description: Installation of the MAC 1700 modification to King Radio Corp. KX-175B/KX-170B Transceivers.
TC Nos.: 3A21
Models: The Cessna Aircraft CompanyP210N
ACO: AIR-760: Central Certification Branch CHI

STC Holder: McCoy Avionics Corp 6145 Scherers Place, Dublin, OH 43017, United States		If you are an STC Holder, Contact us to have your company added here!
STC No.: SA1545GL	Status: Current	App Date:	Rev Date: 12/04/1991
Description: Installation of the MAC 170A frequency stability modification to King Radio Corp. KX 170A and KX 175 transceivers.
TC Nos.: A13CE
Models: The Cessna Aircraft Company177, 177A, 177B
ACO: AIR-760: Central Certification Branch CHI