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Navigational Traffic Conflict Technique: A Proactive Approach to Quantitative Measurement of Collision Risks in Port Waters

Published online by Cambridge University Press:  01 December 2009

Ashim Kumar Debnath  and
Hoong Chor Chin
Ashim Kumar Debnath*
Affiliation:
(Department of Civil Engineering, National University of Singapore)
Hoong Chor Chin
Affiliation:
(Department of Civil Engineering, National University of Singapore)
*
(Email: ashim@nus.edu.sg)
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Abstract

Navigational safety analysis relying on collision statistics is often hampered because of the low number of observations. A promising alternative approach that overcomes this problem is proposed in this paper. By analyzing critical vessel interactions this approach proactively measures collision risk in port waters. The proposed method is illustrated for quantitative measurement of collision risks in Singapore port fairways, and validated by examining correlations between the measured risks with those perceived by pilots. This method is an ethically appealing alternative to the collision-based analysis for fast, reliable and effective safety assessment, thus possessing great potential for managing collision risks in port waters.

Keywords

Navigational collision riskTraffic conflict techniquePort safetyQuantitative risk analysis
Type
Research Article
Information
The Journal of Navigation , Volume 63 , Issue 1 , January 2010 , pp. 137 - 152
Copyright
Copyright © The Royal Institute of Navigation 2009

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