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I reinstalled the nav data base and all is good. Thanks for the help.

I reinstalled the nav data base and all is good. Thanks for the help.

Is this unit FAA PMA approved?

I see the same thing in my Glasair. I also performed the in-flight compass calibration with >108 numbers on both ADHARS. I was...

There's a chance that settings aren't syncing between displays, and behind the scenes one is the leader/master, but you don't know (or...

Thanks Ken

Take a look at the top line on the 550 screen where both the active mode is annunciated in green and the armed mode, if any, is...

99% Sure, it is changing automatically. I will test that along with some other ideas this weekend. Thanks.

Are you certain the navigator is switching from GPS mode to VHF mode?

Just some easy checks: 1. Did you go to setup on the HDX and verify that the servos and AP control head are being recognized on the...

I recently bought an airplane with Avidyne 550 and 440 with the Dynon Skyview and Autopilot. I am struggling with ILS approaches. I fly...

First of, how did you determine the radio noise is from the Dynon HDX EFIS? The autopilot panel interface to the HDX is connected...

I think I have it fixed. After answering that I had two feeds fused at 5 amps each, I went back and checked. I realized I had one 5 amp...

Just be careful...it sounds like you fixed it, but maybe didn't really figure out root cause, so the fix might only be temporary. Fly...

That's what matters.