garmin gmc 507

  1. AirplanepilotJJ

    Garmin G5 with Garmin GMC 507

    Hello aviators, I'm planning on buying an aircraft a bit later this year, most aircraft in my price range has the original autopilot and/or an inop one. I've narrowed down to Garmin's GMC 507, how many GSA 28 servos do I need? If I got two G5s, can I remove the vacuum system, or do I need it as...
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