GHP Compact Reactor Hydraulic Autopilot, With GHC 20 and Shadow Drive | Garmin
Amazon.com: Puccy Case Cover, Compatible with Garmin GHC 20 Marine Autopilot Control Unit Black Waterproof Pouch Dry Bag (Not Screen Protector Film) : Electronics
Garmin GHC 20 Marine Autopilot Control Unit 4" Helm Controller 010-01141-00 753759996925 | eBay
Buyr.com | Autopilots | Garmin Ghc 20 Marine Autopilot Control Display Unit