When you are getting the snot beat out of you in turbulence while
trying to dial in an approach, or change way points and discover the
plane you are in uses a different sequence of keys than what you are
used to, it can get sticky in a hurry.
Roger, this sounds more like GPS issues to me. All the glass cockpit
planes I'm aware of (Cirrus, 182) use the same Garmin 430 most of us
know. The actual PFD and MFD only have a few buttons.
-Robert
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