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Collision Avoidance in a Traffic System

Published online by Cambridge University Press:  18 January 2010

E. S. Calvert
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Extract

In 1960 Dr. Calvert published a paper in the Journal (13, 127) which proposed a fundamentally new conception of how to avoid collision between single craft at sea or in the air, based on work carried out by the Mathematics Department of the Royal Aircraft Establishment. Later Hollingdale (14, 243) published a rigorously mathematical explanation of Calvert's ideas. The following paper to some extent draws together the arguments that have ranged so widely over this subject during the last ten years or so.

The chief criticism which has always been made against the existing Collision Regulations and is now being made against the revised ones, is that, except for the end-on encounter, no directives are given as to how a vessel should manœuvre to ‘keep out of the way’. Their role, it has been said, is not so much to prevent collisions as to enable lawyers to apportion blame after collision has occurred. The explanation usually given is that ‘the infinite variety of encounters which may arise at sea does not yield to a uniform treatment’.

Type
Research Article
Information
The Journal of Navigation , Volume 26 , Issue 2 , April 1973 , pp. 137 - 144
Copyright
Copyright © The Royal Institute of Navigation 1973

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References

REFERENCES

1The revision of the collision regulations (1972). This Journal, 25, 427.Google Scholar
2Oudet, L. (1965). Some suggestions on the rules for preventing collision at sea. This Journal, 18, 512.Google Scholar
3Corbet, A. G. (1972). Collision avoidance at sea, with special reference to radar and radio-telephony. This Journal, 25, 520.Google Scholar
4Calvert, E. S. (1961). A comparison of two systems for avoiding collision. This Journal, 14, 397.Google Scholar
5Calvert, E. S. (1971). Collision avoidance by manœuvre. This Journal, 24, 413.Google Scholar
6Calvert, E. S. (1960). Manœuvres to ensure the avoidance of collision. This Journal, 13, 127.Google Scholar