Amazon.com: Reactor 40 Hydraulic Autopilot, Core Pack with GHC 20 Control Head, Reactor 40 9-Axis Heading Sensor, Electronic Control Unit, Shadow Drive, Buzzer, Cabling and Connectors Without Pump : Electronics
A Pilot's Review of the Garmin GFC 500 Digital Autopilot - High Performance Aviation, LLC
Reactor™ 40 Hydraulic Autopilot with GHC™ 20 | Marine Autopilot
Garmin Experimental G3X GMC 307 Autopilot Control Head | Aircraft Spruce