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

converging runway display aid (CRDA)

Aviation; Air traffic control

A radar software that permits the sequencing and spacing of aircraft by terminal controllers.

conflict alert (CA)

Aviation; Air traffic control

A function of certain ATC automated systems that is designed to alert radar controllers to existing or pending situations that are recognized by the program parameters and require immediate attention ...

cruising altitude

Aviation; Air traffic control

The altitude, as shown by a constant altimeter indication in relation to a fixed and defined datum, maintained during a flight or portion thereof.

blind zone

Aviation; Air traffic control

An area from which radio transmissions or radar echoes cannot be received. The expression is also used to describe portions of the airport not visible from the control tower.

contact approach

Aviation; Air traffic control

An approach wherein an aircraft on an IFR flight plan (FP), having an ATC authorization and operating clear of clouds with at least 1 mi. flight visibility and a reasonable expectation of continuing ...

charted visual approach (CVA)

Aviation; Air traffic control

An approach wherein a radar-controlled aircraft on an IFR flight plan (FP), operating in VFR conditions and having an ATC authorization, may proceed to the airport of intended landing via visual ...

clearance cancelled

Aviation; Air traffic control

An expression used in radiocommunication to indicate a time specified by an ATC unit at which a clearance ceases to be valid unless the aircraft concerned has already taken action to comply ...