What is Air Traffic Control? How Air Traffic Control Works?

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What is Air Traffic Control? How Air Traffic Control Works?

Air traffic control (ATC) is a service provided by ground-based controllers who direct aircraft on the ground and through controlled airspace. The primary purpose of ATC systems worldwide is to separate aircraft to prevent collisions, to organise and expedite the flow of traffic, and to provide information and other support for pilots. This service can be performed using ground-based infrastructures for air traffic management and guidance, which is owned by civil aviation authorities and managed by air navigation service providers.

This infrastructure, located throughout a given country, can be either an Area Control Centre (ACC), whose duty it is to harmonise each aircraft’s entrance and exit in order to ensure a consistent traffic flow inside the airways, or airports, whose duty it is to give aircraft the authorisation to take off or land so that a safe distance from all other aircraft is guaranteed . HUBER+SUHNER provides a comprehensive portfolio of cables, connectors, cable assemblies and lightning protectors that meet the key requirements for connection for this market, including:

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AIR TRAFIC CONTROL – It is a service provided by ground based air traffic controllers to direct aircraft on the ground and through controlled airspace. They also provide advisory services to aircraft in non- controlled airspace. The first airport in the world to introduce AIR TRAFFIC CONTROL is Croydon Airport, London (1921). AIR TRAFIC CONTROL or ATC , is the most the base and is the most critical part to manage aircrafts on the runway and in controlled airspace and therefore requires constant and vigilant monitoring.


Air traffic control can be broadly classified into –

  • domestic and International

The different types of Air traffic controllers include –

  • En route controllers who monitor aircrafts as they leave the airports airspace.
  • Tower controllers who control traffic on the runway
  • Approach and departure controllers – whose job is to ensure that the aircraft is travelling within the airport’s airspace.



Without Air traffic centres (ATC) operations cannot be handled properly . It needs 24 hours  vigilance

The functions of ATC include –

  • Preventing collision on ground and controlled air space by enforcing air traffic rules and by using certain systems like collision avoidance systems.
  • They provide information to the pilots and also other support.
  • In some countries they also provide services to the army


The duties of air traffic controllers are –

  • GIVING INSTRUCTION – provide landing and takeoff instruction to the pilots.
  • MONITORING – monitor the aircraft on ground and within the controlled airspace. This job requires 24 hours vigilance
  • CONTROLLING – control all ground traffic on e runway and taxiways.
  • PROVIDING INFORMATION – provide information to the pilot, alert airport response staff in the event of an emergency.
  • Handle crisis

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