Airport Navigation and Surveillance Using GPS and ADS

H. Robert Pilley and Lois V. Pilley

Abstract:	The increased concerns over airport ground safety, aviation delays and airport capacity have prompted investigations into new technologies. Cost effective improvements in current airport procedures and systems are needed to satisfy future aviation needs. This paper describes the integration of GPS position reports with highly accurate 2 or 3 Dimensional (3-D) airport maps for cockpit navigation and Air Traffic Control (ATC). Real-time position updates displayed on the map clearly identify the aircraft’s position on the airport surface, while waypoints and travel paths identify the route to be travelled to and from the gate. The same system, using a RF compatible X.25 datalink, has the capability to provide the aircraft’s identifier and position to Air Traffic Control (ATC). The precise digital map display provides the instant visual cues, augmented by precise Earth Centered Earth Fixed (ECEF) navigational mathematics and collision prediction algorithms, needed by ATC to quickly and accurately assess the current runway situation. This paper describes digital mapping techniques, maP accuracies, coordinate systems, local monusentation, and Automatic Dependent Surveillance (ADS) techniques. GPS receiver requirements and differential corrections are also discussed.
Published in:	Proceedings of the 4th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1991) September 11 - 13, 1991 Albuquerque, NM
Pages:	363 - 372
Cite this article:	Pilley, H. Robert, Pilley, Lois V., "Airport Navigation and Surveillance Using GPS and ADS," Proceedings of the 4th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1991), Albuquerque, NM, September 1991, pp. 363-372.
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