ATM and FIS data link services

The Federal Aviation Administration (FAA) currently has under development data link services for Air Traffic Management (ATM), Flight Information Service (FIS), and Communications, Navigation, and Surveillance (CNS). These services will be provided over the Aeronautical Telecommunications Network (ATN), a worldwide data network intended to provide data communications connectivity among mobile aircraft, airlines, and civil aviation authorities. The ATM and FIS services currently under development are part of an evolutionary process that will begin, for the most part, with duplication of voice services. In the future, services will facilitate a common source of data for pilots, controllers, and flight planners, as well as computer to computer communications between ground based and airborne automation systems. These future services will provide benefits such as the use of optimum aircraft tracks and flight profiles.<
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