20 Terms
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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
approach UNICOM (AU)
Aviation; Air traffic control
An air-ground communications service that can provide approach and landing information to IFR pilots.
area control center
Aviation; Air traffic control
In air traffic control, an Area Control Center (ACC), also known as a Center, is a facility responsible for controlling instrument flight rules aircraft en route in a particular volume of airspace (a ...
holding
Aviation; Air traffic control
If the number of aircraft at an airport exceeds the capacity of the airport, the aircraft circles in the airspace until given clearance to land.
international civil aviation organization (ICAO)
Aviation; Air traffic control
The International Civil Aviation Organization (ICAO), pronounced /aɪˈkeɪoʊ/), is a specialized agency of the United Nations. It codifies the principles and techniques of international air navigation ...
emergency
Aviation; Air traffic control
A serious, unexpected, and often dangerous situation requiring immediate action.
turbulence
Aviation; Air traffic control
Air flow which is not smooth and steady. When an airplane flies through turbulent air, it can unexpectedly rise, drop, roll, pitch or yaw very abruptly.
upper airspace
Aviation; Air traffic control
The world's navigable airspace is divided into three-dimensional segments, each of which is assigned to a specific class. Most nations adhere to the classification specified by the International ...
