E. S. Quilter and J. D. Luse

Peer Reviewed

Abstract: The use and function of shipboard computer-based collision-avoidance automation devices with radar inputs are discussed. The fundamentals of the collision avoidance problem are presented in mathematical form. The relationships between the devices, the operators and the Rules of the Road are explored. Limitations of this type of automation fall in four interrelated categories which are analyzed. These categories are reliability, equipment complexity, ergonomics and non-equipped vessels. The “Quilter Preplot” method of encounter evaluation for non equipped vessels is presented. It is concluded that ergonomics is the basic limitation in the effectiveness of computer-based collision avoidance aids. This limitation is explored in depth. The ergonomic limitation is one of expecting operators who are not qualified on the devices or in the fundamentals of collision avoidance to use both effectively. It is a hidden limitation in that it has not yet been properly addressed.
Published in: NAVIGATION: Journal of the Institute of Navigation, Volume 26, Number 3
Pages: 244 - 251
Cite this article: Quilter, E. S., Luse, J. D., "HIDDEN LIMITS OF COLLISION AVOIDANCE AUTOMATION", NAVIGATION: Journal of The Institute of Navigation, Vol. 26, No. 3, Fall 1979, pp. 244-251.
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