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An emergency locator beacon is a radio beacon, a portable battery powered radio transmitter, used to locate airplanes, vessels, and persons in distress and in need of immediate rescue. Various types of emergency locator beacons are carried by aircraft, ships, vehicles, hikers and cross-country skiers.
Automated Flight Following (AFF) is GPS aircraft tracking that is mandated by a government agency (or other governing body) for its contractors. [ 1 ] [ 2 ] [ 3 ] The following criteria must be met: The GPS device must transmit position reports every two minutes;
Flight tracking enables travellers as well as those picking up travellers after a flight to know whether a flight has landed or is on schedule, for example to determine whether it is time to go to the airport. Aircraft carry ADS-B transponders, which transmit information such as the aircraft ID, GPS position, and altitude as radio signals.
Conceptual of the ADS-B system, illustrating radio links between aircraft, ground station and satellite. Automatic Dependent Surveillance–Broadcast (ADS-B) is an aviation surveillance technology and form of electronic conspicuity in which an aircraft determines its position via satellite navigation or other sensors and periodically broadcasts its position and other related data, enabling it ...
FlightAware is an American multi-national technology company that provides real-time, historical, and predictive flight tracking data and products. As of 2019, it is the world's largest flight tracking platform, with a network of over 32,000 ADS-B ground stations in 200 countries. [2]
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A modern flight data recorder; the underwater locator beacon is the small cylinder on the far right. (Translation of warning message in French: "Flight recorder do not open".) The warning appears in English on the other side. Cold War-era Soviet MS-61 cockpit voice recorder from a MiG-21 interceptor
GPS aircraft tracking also enables airlines to track their fleet of aircraft over the ACARS system, and allows aircraft to be more easily located in the event of an accident. The data is processed to gather " OOOI " information about movements within the airport and to compute flight time.