Definition: (DOD, NATO) A service provided for the purpose of:
a. preventing collisions: (1) between aircraft; and (2) on the maneuvering area between aircraft and obstructions; and
b. expediting and maintaining an orderly flow of air traffic.
From Department of Defense, for About.com
a. preventing collisions: (1) between aircraft; and (2) on the maneuvering area between aircraft and obstructions; and
b. expediting and maintaining an orderly flow of air traffic.
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