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

blind transmission

Aviation; Air traffic control

A transmission from one station to another in circumstances where two-way communication cannot be established but where it is believed that the called station is able to receive the transmission.

clear air turbulence (CAT)

Aviation; Air traffic control

Turbulence encountered in air where no clouds are present. This expression is commonly applied to high-level turbulence associated with wind shear (WS). CAT is often encountered in the vicinity of ...

crosswind

Aviation; Air traffic control

When referring to wind conditions, a wind not parallel to the runway or the path of an aircraft.

control zone (CZ)

Aviation; Air traffic control

A controlled airspace of defined dimensions extending upwards from the surface of the earth up to and including 3000 ft AAE unless otherwise specified.

clear of runway

Aviation; Air traffic control

In ground control, an expression indicating that a vehicle or an aircraft is at least 200 ft clear of the nearest edge of the runway in use, wherever practicable.