Air traffic control

Air traffic control

An in-airport service that facilitates the safe and orderly movement of aircrafts within and between airports, achieved by interpreting data from radar and weather devices, and by maintaining contact with pilots.

Industry: Aviation

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Air traffic control

assigned arrival time (AAT)

Aviation; Air traffic control

The arrival time assigned to an aircraft landing at a specific airport that is based on the area control centre's (ACC) estimates and recalculated to resolve simultaneous demands at the airport.

assigned departure time (ADT)

Aviation; Air traffic control

The departure time assigned to an aircraft, derived from its estimated time en route, that enables compliance with an issued arrival time at the destination airport.

aircraft identification (ACID)

Aviation; Air traffic control

A group of letters or figures, or a combination thereof, that is either identical to, or the coded equivalent of the aircraft call sign to be used in air-ground communication and that is used to ...

altimeter setting

Aviation; Air traffic control

The barometric pressure reading used to adjust a pressure altimeter for variations in existing atmospheric pressure or to the standard altimeter setting (29.92 in. of mercury).

aeronautical chart

Aviation; Air traffic control

A representation of a portion of the earth, its culture and relief, specifically designated to meet the requirements of air navigation.

aircraft approach category

Aviation; Air traffic control

The grouping of aircraft based on speed. The categories are as follows: (a) Category A-speed up to 90 kt; (b) Category B-speed of 91 to 120 kt; (c) Category C-speed of 121 to 140 kt; (d) Category ...

acrobatic flight

Aviation; Air traffic control

(1) A manoeuvre where a change in the attitude of an aircraft results in a bank angle greater than 60°, an abnormal attitude or an abnormal acceleration not incidental to normal flying. (2) DND: A ...