Air traffic control constraints
|Term||Air traffic control constraints|
air traffic control (ATC)
"A constraint applied to a flight, due to the ATC organisation ; Airspace restrictions related to a flight's path to which the aircraft is bound to follow unless otherwise instructed by the responsible ATC authority. Restrictions are speed, level and heading advisory, sector exit conditions as agreed upon, holding instructions, related SID, STAR changes etc."
EUROCONTROL (2004) EATM glossary of terms