In article .com, Andrew wrote:
ATC says "radar contact, 20 miles south of XYZ, proceed on course". Do
you acknowledge this transmission?

Yes, but only with my callsign (abbreviated when applicable).

How about when ATC says "altimeter
setting 2992" on your first contact after a handoff? Does this require
acknowledgement?

And a readback. You want to know that both you and the controller are
working off the same altimeter setting or Bad Stuff may happen. My
readback is pretty short ('two niner niner two, november four one
bravo')

--
Dylan Smith, Castletown, Isle of Man
Flying: http://www.dylansmith.net
Frontier Elite Universe: http://www.alioth.net
"Maintain thine airspeed, lest the ground come up and smite thee"