air traffic control unit


Also found in: Acronyms.

air traffic control unit

A generic term meaning variously, area control center, approach control office, or aerodrome control tower. As the circumstances require, an ATC (air traffic control) unit may be (i) an area control center (ACC) established to provide ATC services to IFR (instrument flight rules) and VFR (visual flight rules) aircraft; (ii) a terminal control unit established to provide ATC services to IFR and VFR aircraft arriving at, or departing from, one or more airports; or (iii) an airport control tower unit established to provide ATC services to airport traffic. Also called an ATC unit.
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References in periodicals archive ?
According to the judge, those convicted were responsible for the inefficiency of the air traffic control unit and for leaving the airport's ground radar out of service, the agencies reported.
A CAA spokesman said that the Air Traffic Control Unit has already began its own investigation into the incident and it has 96 hours to file a report to the CAA.
The NAMA Chief while stating that the development had seen to the upgrading of communication infrastructure in phases added that radio communication in the ground control, covering 65 nautical miles at the 32 air traffic control units in Nigerian airports were perfect 'and this was done under phase one of the project.'
"Clearance from the relevant air traffic control units cannot be guaranteed until the aircraft is in the air talking to them, and will then be based on their own traffic movements at the time.
The incident is detailed in a document compiled by experts from the Airprox Board, which records near misses and reports them to the military and air traffic control units.
The extraordinary incident is detailed in a document compiled by experts from the Airprox Board, which records near misses and reports them to the military and air traffic control units.
They call for European countries to create larger air traffic control units by 2012.
The new upgraded SADIS2G (second generation) is being rolled out to air traffic control units (ATCs) and will gradually supersede the existing SADIS system.

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