Given their wide-reaching STC approvals, Garmin autopilots have dominated the aftermarket the past few years. But other full-featured autopilots like the dual-axis Trio Avionics Pro Pilot have gotten lost in the noise.
I thought the competitively priced Pro Pilot, originally designed for experimental aircraft, deserved consideration for replacing the aging S-TEC 50 autopilot in my Grumman. And so based on perceived value and its generous standard feature set, I decided to give it a try. Here’s an overview of the system and my experience with its installation.