5.2.1.7.1.2 The unit or service shall be identified in accordance with the table below except that the name of the location or the unit/service may be omitted provided satisfactory communication has been established.
Unit/service available | Call sign suffix |
area control centre (without radar) | CONTROL |
approach control (arrival and departure control service without radar) | APPROACH |
approach control radar arrivals | ARRIVAL |
approach control radar departures | DEPARTURE |
aerodrome control (responsible for take-off, landing and aicraft in the CTR) | TOWER |
surface movement control (responsible for all movements on the airport except the apron) | GROUND |
radar, in general (enroute services) | RADAR |
precision approach radar (guidance on final using specialized radar antennas) | PRECISION |
direction-finding station | HOMER |
flight information service | INFORMATION |
clearance delivery (transmission of enroute clearances) | DELIVERY |
apron control (aircraft guidance on the apron by the airport operator) | APRON |
company dispatch (transmission of flight regularity messages of aircraft operating agencies) | DISPATCH |
aeronautical station | RADIO |
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