Communication, Navigation, And Surveillance Systems
In the context of aviation, Communication, Navigation, and Surveillance Systems (CNS) are the three main functions that form the backbone of air traffic management and control. Communication systems in aviation are responsible for the exchange of information between aircraft and ground stations, as well as between different ground stations. This includes voice communication, data communication, and emergency communication. Navigation systems are used to determine and maintain the course, position, and speed of an aircraft. They include ground-based navigation aids, satellite-based systems, and onboard instruments. Surveillance systems in aviation are used to monitor the position of aircraft in flight and on the ground. They include radar systems, automatic dependent surveillance systems, and aircraft transponders. These systems collectively ensure the safe, efficient, and orderly flow of air traffic.
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