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

Transistion level

Aviation; Air traffic control

The lowest flight level available for use above the transition altitude.

Transition area

Aviation; Air traffic control

An area established when it is deemed advantageous or necessary to provide additional controlled airspace for the containment of IFR operations.

Over

Aviation; Air traffic control

An expression used in radiocommunication meaning "My transmission is ended, and I expect a response from you."

Night

Aviation; Air traffic control

The period of time during any day that starts at the end of evening civil twilight and ends at the start of morning civil twilight.

Normal operating zone (NOZ)

Aviation; Air traffic control

An airspace of defined dimensions, extending to either side of an instrument landing system (ILS) localizer centreline. Only the inner half of the normal operating zone is taken into account in ...

Squawk ident

Aviation; Air traffic control

A request for a pilot to activate the aircraft transponder identification feature.

Pavement classification number (PCN)

Aviation; Air traffic control

ICAO: A number expressing the bearing strength of a pavement for unrestricted aircraft operations. Note: PCNs are expressed on a scale from approximately 5 (weakest pavements) to 110 (strongest ...