Strategic vs Tactical Air Traffic Control Utilizing ADS and Earth Reference Area NAV

Chick Longman

Abstract:	The Air Traffic Control element of the National Airspace System(NAS) currently in place is essentially a tactically operated system and is based primarily on station referenced navigation. During the past 10-15 years area navigation systems using earth referenced coordinate concepts have grown in popularity. Two of these, Loran-C and GPS, are expected to be the predominant form of air navigation systems operating in the 21st Century. This paper describes many of the shortcomings of today's Air Traffic Control and a concept for an Air Traffic Management System for the future(ATM). Emphasie is placed on the system level design rather than on any one system element. The proposed system is a strategically managed one with tactical interventions only when air safety is compromised. Position date from earth referenced area navigation system are used to supplement direct radar surveillance. Point to point routes are Used in lieu of charted airwaye. Charted arrival and departure routes and approach procedures are used in lieu of Vectors for normal operations. The paper cites Loran-C, GPS and other space-based systems. Inertial and other self-contained systems is the primary elements of the air traffic navigation syetem. It encourages immediate efforts to develop and implement the new ATC/ATM concepts using Loran-C. Loran-C provides an excellent opportunity ta practice. When GPS is fully deployed, the game begins and we start keeping score.
Published in:	Proceedings of the 1991 National Technical Meeting of The Institute of Navigation January 22 - 24, 1991 Sheraton San Marcos Hotel Phoenix, AZ
Pages:	69 - 72
Cite this article:	Longman, Chick, "Strategic vs Tactical Air Traffic Control Utilizing ADS and Earth Reference Area NAV," Proceedings of the 1991 National Technical Meeting of The Institute of Navigation, Phoenix, AZ, January 1991, pp. 69-72.
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