Journal of Navigation and Port Research 2012;36(4):279-284.
Published online May 31, 2012.
Mariner’s Performances and the Behavior Fluctuation Affecting Navigational Safety
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Tae-Goun Kim, Hiroaki Kobayashi, Chae-Uk Song
Abstract
This study aims to identify the degree of safety when mariners take their actions in several different situations. We have carried out many experiments to observe mariners’ behavior and then measured the safety level based on their actions to avoid dangerous situations of ships collision. One of the most important actions that mariners have to take, either as their daily routine or when they are in a collision situation and then want to avoid that situation is the lookout. In this paper, behaviors on the lookout have been defined as a standard sequence of three steps which are "time of first detection", "time of recognition as risky vessel" and "time of starting avoiding action", and the suitability and applicability of the definition have been shown. And also we propose the risk assessment on ships collision and the recommendation for reducing ships collision at sea. Some analyzing results and the application of the results are reported. By combining these knowledge and some systematic studies, we propose the risk assessment on ships collision and the recommendation for reducing ships collision at sea.
Key Words: Degree of safety;Look-out;First detection;Recognition as risky vessel;Avoiding action;Risk assessment
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