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The related implementation of flight information service is commonly known as UNICOM, but in some situations, this service is provided by the primary FSS frequency (callsign RADIO), in addition to which a few U.S. airports now also have bespoke AFIS services, but this is implemented as a recording similar to ATIS and AWOS, not a live service.
ADS-B will be implemented by the Surveillance and Broadcast Services (SBS) Program to provide two services: (1) "Critical Services" consisting of ADS-B and ADS-Rebroadcast, and (2) "Essential Services" consisting of Traffic Information Service Broadcast (TIS-B) and Flight Information Service Broadcast (FIS-B).
Automatic terminal information service, or ATIS, is a continuous broadcast of recorded aeronautical information in busier terminal areas.ATIS broadcasts contain essential information, such as current weather information, active runways, available approaches, and any other information required by the pilots, such as important NOTAMs.
Traffic information service – broadcast (TIS–B) is an aviation information service that allows pilots to see aircraft that are not emitting ADS-B data but have a basic transponder. As aircraft are discovered by primary radar and respond with encoded altitude information, this information is broadcast over ADS-B.
The Lone Rock Flight Service Station from 1928 to 1985, in the EAA Aviation Museum. A flight service station (FSS) [1] is an air traffic facility that provides information and services to aircraft pilots before, during, and after flights, but unlike air traffic control (ATC), is not responsible for giving instructions or clearances or providing separation.
Airport surveillance and broadcast systems; Airport surveillance radar; Airspace; Airspace class; Airspace Use Plan; AN/MRN-1; Approach plate; Area control center; ASDE-X; Atlanta Air Route Traffic Control Center; Automatic Dependent Surveillance–Broadcast; Automatic terminal information service; Aviation call signs; Aviation light signals
Flight information service operator or FISO, provide a flight information service (FIS) to any air traffic that requests it, or requires it. [1] A FISO is a licensed operator, who most usually works at an aerodrome , although there are some FISOs working in area control centers . [ 2 ]
Area control centers (ACCs) control IFR air traffic in their flight information region (FIR). The current list of FIRs and ACCs is maintained by the International Civil Aviation Organization (ICAO). The following is the alphabetic list of all ACCs and their FIRs as of October 2011 [update] :