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Old 8th Oct 2008, 12:15   #3 (permalink)
IO540
 
Join Date: Jun 2003
Location: England
Age: 95
Posts: 13,979
That feature would be called an OBS mode.

IFR units all have it - I believe by regulation. Great for flying DIY VOR and NDB approaches

It makes very little sense unless you have a moving map display on which to show the waypoint and the two lines sticking out of it in opposite directions.

I am not aware of a handheld which does exactly that, but there could be some.
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