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Aviation uses a variety of communication systems, including: Radio: The most common form of communication in aviation, radio allows pilots and controllers to communicate in the air and on the ground. Modern aircraft have sophisticated radio systems that can also be used for navigation and emergencies. Aeronautical message handling system (AMHS): Used for ground-to-ground communications, such as creating flight plans and relaying meteorological data. Aircraft transponder: Part of a sophisticated communication system between aircraft and air traffic controllers and large aircraft. VHF communication systems: Used for maintaining contact between ground and aircraft. VHF communication systems can transmit information as fast as a person can speak coherently. Aeronautical satellite communication (SATCOM) systems: Used to transmit messages from the cockpit and automated messages from on-board systems. Aircraft communicate with satellites for location purposes. Avionics: The electrical systems used in aviation, including communication, navigation, flight management, and safety
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