Abstract. The aviation industry forms an important component of the nation's critical infrastructure. By considering the issues involved in protecting the operational aspects of the aviation industry, in conjunction with the introduction of Internet access within an airplane, the authors present the possibility of providing an additional path for the transport of critical content between and airplane and ground stations
The Air Traffic Controller (ATC) is required to maintain a safe and orderly flow of airplanes in any airport. A fairly recent incident at the Los Angeles Airport (LAX) caused a blackout to the entire control tower and resulted in a number of aircrafts being stranded in the air, due to the lack of communication with the ATC. This incident has caused widespread concern in the aircraft community and needs to be addressed so that future occurrences can be avoided.
IntroductionAutomatic Dependent Surveillance -Broadcast (ADS-B) is a Global Positioning System (GPS) based air-traffic surveillance technology. The concept behind ADS-B is that an aircraft can automatically broadcast its identification address, GPS derived latitude and longitude, altitude, and the 3-D velocity. This broadcast information from ADS-B can be picked up by the ATC and used to track aircrafts more precisely than with radar. This concept can be extended to involve other aircrafts in the same airspace to be equipped with an ADS-B receiver, hence allowing them to listen to these broadcasts and be able to know the location of others aircrafts. The system proposed in this paper is intended to serve as a supplementary mechanism to existing air-ground systems and can be extended to operate on its own in case of unforeseen circumstances such as loss of power to the ATC.
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