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Hey Jeff,
Careful with the blanket statement about the internal magnetometer. The newer versions do not have that (it was unreliable in some installations), and instead do their best to simply hold the current heading if guidance from the GPS fails.
In my case the magnetometer does work ok, so I declined the "upgrade." But proximity to other equipment can make it unreliable.
Cheers,
Bill Reister
Jeffrey Liegner, MD wrote:
<div class="moz-text-flowed" style="font-family: -moz-fixed">Here's a thought "if I had to do it over."
I would have placed the autopilot closer to the center of the console, near my power quadrant hand, not near the pilot's side stick.
I would have known (in advance) that the TruTrak autopilot has an internal magnetometer to provide/display magnetic heading in case the GPS signal was lost (in my glass panel), and thus could have planned to use this source instead of a Directional Gyro (DG) mounted in the panel or PAI-700 compass card on top of the visor. This would free up some panel real estate.
Just sharing.
Jeff L
LIVP
PS Of course, I have a AI, AS and ALT as my back up instruments, but a DG would not be needed.
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