Dave Butler ) wrote:

Set the heading bug on the desired radial. The track will be slightly
off the radial if you have a crosswind. This is usually good enough.

True, in my experiences.

As a refinement, you can offset the heading bug in the direction into
the wind, and the aircraft will track closer to the desired radial.

With the KAP140 in this case, changing the heading bug even a few degrees
to match your current course (after the AP had been tracking the course)
directs the AP to turn in the direction you turned the heading bug, away
form the desired course. Left alone, the AP will soon turn back and re-
intercept the desired course.

This also occurs after the DG precesses and the pilot attempts to reset it
to the compass.


--
Peter












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