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Safe, Single-Pilot IFR generalities
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July 1st 05, 11:45 PM
Greg Farris
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In article om,
says...
Ultimately, the only solution is dual independent power sources
(neither alternators nor generators with a paralelling relay qualify)
and dual attitude gyros. For example, one vacuum and one electric
attitude gyro is a great choice. Few GA airplanes have that.
More and more do (because more and more have glass primary systems) -
but the backup is often a tiny job way off by your right hand somewhere.
I've seen some panels with two separate AI's, separate power sources,
and both right there in front of you. I like that - not only do you have
it where you need it when you need it, but you'll also detect the
failure immediately, because you'll see the discrepancy. One of the
nasty parts of AI failures in IMC is that it fails slowly, and by the
time you realize it's cooked, you're heading into the trees at low mach
speeds.
Greg Farris