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

minimum obstacle clearance altitude (MOCA)

Aviation; Air traffic control

The altitude above sea level (ASL) between specified fixes on airways or air routes that meets the IFR obstacle clearance requirements for the route segment in question. Note: This altitude is ...

emergency phase

Aviation; Air traffic control

A generic expression meaning, as the case may be, uncertainty phase, alert phase or distress phase.

minimum vectoring altitude (MVA)

Aviation; Air traffic control

The lowest altitude for vectoring aircraft by ATC that meets obstacle clearance and radio coverage requirements in the airspace specified.

holding stack

Aviation; Air traffic control

A number of aircraft holding at a common fix with vertical separation.

minimum reception altitude (MRA)

Aviation; Air traffic control

When applied to a specific VHF/UHF intersection, the lowest altitude above sea level (ASL) at which acceptable navigational signal coverage is received to determine the intersection.

first pilot

Aviation; Air traffic control

DND: A pilot qualified on aircraft type to unit standards and authorized as first pilot.

minimum sector altitude (MSA)

Aviation; Air traffic control

The lowest altitude that will provide a minimum clearance of 1000 ft under conditions of standard temperature and pressure above all objects located in an area contained within a sector of a circle ...