Complementary MLS & GNSS Operations

Alexander E. Smith, Karen L. Burcham, Keith D. McDonald

Abstract:	The MLS and the Global Navigation Satellite System (GNSS) are FAA navigation and landing programs that will play major roles in the National Airspace System (NAS) of the next century. The FAA is committed to the implementation of MLS for precision approaches, and is pursuing an aggressive program to determine the capabilities of GNSS for use during all phases of flight. Much of the evaluation that has been performed on MLS and GNSS has focused on each system independently. Areas that require further investigation are the techniques and benefits associated with the complementary operation of both systems. The potential exists for benefits to accrue to the U.S. DOD and the civil aviation community in the form of lower avionics investment, reduced direct operating costs, and improved performance. The purpose of this paper is to establish a framework to develop complementary roles for both systems. The paper focuses on how the FAA and the aviation industry will develop and implement techniques and the infrastructure to support fully integrated MLS and GNSS operations. The operational role of each system is evaluated during each phase of flight, from departure to arrival, and the benefits attributable to reduced delays and optimum routings are 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:	863 - 872
Cite this article:	Smith, Alexander E., Burcham, Karen L., McDonald, Keith D., "Complementary MLS & GNSS Operations," Proceedings of the 4th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1991), Albuquerque, NM, September 1991, pp. 863-872.
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