zuutroy Posted January 7, 2018 Report Share Posted January 7, 2018 (edited) Hi. My engineer is installing a Garmin G5 to replace a broken BK HSI on my 1978 J model. He just called me to say that when he was checking everything out the autopilot test works OK, but when he presses HDG the light won't illuminate. This was done without the engine running. I'm just wondering if the AI has to be properly spun up for HDG mode to engage as I know the AI has an input to the KFC. Thanks! Edited January 7, 2018 by zuutroy Quote Link to comment Share on other sites More sharing options...
carusoam Posted January 7, 2018 Report Share Posted January 7, 2018 Welcome aboard, Zuu... Are you sure the certified version allows output to a Mooney's AP? There are a few threads around here discussing the differences between the G5s certified v. Experimental. Experimental allows for a lot of flexibility. Go ahead and update a few data points in your avatar area... general location and Mooney model are always helpful... PP thoughts only, no G5 experience... Best regards, -a- Quote Link to comment Share on other sites More sharing options...
zuutroy Posted January 7, 2018 Author Report Share Posted January 7, 2018 Yea it can be hooked up to the KFC150 via the GAD29b as of last month or so. I'll update my profile now Apparently NAV mode won't engage either. 1 Quote Link to comment Share on other sites More sharing options...
carusoam Posted January 7, 2018 Report Share Posted January 7, 2018 Thanks for the updated profile! We have a member, @TrekLawler that may have some technical G input. Trek is often found at BT. Best regards, -a- Quote Link to comment Share on other sites More sharing options...
zuutroy Posted January 8, 2018 Author Report Share Posted January 8, 2018 The AP wasn't getting any heading information from the G5 because the G5 itself wasn't getting any. It seems that it doesn't recognise that its connected to a GMU11 because even the magnetometer calibration option doesn't appear in the setup pages. 1 Quote Link to comment Share on other sites More sharing options...
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