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Air traffic control (ATC) is a service provided by ground-based air traffic controllers (people) who direct aircraft on the ground and through a given section of controlled airspace, and can provide advisory services to aircraft in non-controlled airspace. The primary purpose of ATC worldwide is to prevent collisions, organise and expedite the ...
Except at quieter airports, air traffic control is a 24-hour, 365-day-a-year job where controllers usually work rotating shifts, including nights, weekends, and public holidays. These are usually set 28 days in advance. In many countries, the structure of controllers' shift patterns is regulated to allow for adequate time off.
A ground stop is an air traffic control procedure that requires all aircraft that fit certain criteria to remain on the ground. This could be airport specific or perhaps equipment or airspace specific, depending on the exact event that caused the ground stop to occur. Downstream effects can occur from the hazard, causes flights to be delayed or ...
Air Traffic Management (framed in dashed green) Air traffic management ( ATM) aims at ensuring the safe and efficient flow of air traffic. [1] It encompasses three types of services: [2] air traffic services (ATS) including air traffic control (ATC), air traffic advisory services, flight information services and alerting services, airspace ...
The United States has 22 Air Route Traffic Control Centers (ARTCC). [1] They are operated by and are part of the Federal Aviation Administration of the U.S. Department of Transportation . An ARTCC controls aircraft flying in a specified region of airspace, known as a flight information region (FIR), typically during the en route portion of flight.
The Air Traffic Control System Command Center serves as the principal element of the Systems Operations Division of the Air Traffic Organization and is responsible for the real-time command, control and oversight of the National Airspace System (NAS). It was first established in April of 1970 at FAA Headquarters.
Precision approach radar or PAR is a type of radar guidance system designed to provide lateral and vertical guidance to an aircraft pilot for landing, until the landing threshold is reached. [ 1] Controllers monitoring the PAR displays observe each aircraft 's position and issue instructions to the pilot that keep the aircraft on course and ...
The UK air-traffic control system “identified a flight whose exit point from UK airspace, referring back to the original flight plan, is considerably earlier than its entry point.” ...