Garmin (NYSE: GRMN) announced it has received Federal Aviation Administration (FAA) Supplemental Type Certification (STC) for the GFC™ 500 digital autopilot in Beechcraft A35 and B35 aircraft. The GFC 500 digital autopilot is intended for light piston aircraft while delivering superior in-flight characteristics, self-monitoring capabilities and minimal maintenance requirements when compared to older generation autopilot systems.