Abstract
The severity of an accident is evaluated based on the degree of damage, the loss of human life, environmental impact, etc. Since 80% or more of marine accidents are caused by human factors, it is necessary to quantify the severity of an accident considering human factors, and it is important that the result of the quantification is made use of in accident investigation and accident prevention measures.In this study, authors examined the severity of ship collisions with numerical value using CREAM (Cognitive Reliability and Error Analysis Method) which is a human reliability analysis method.The main conclusions obtained by this study are as follows:1)CPCs (Common Performance Conditions) in CREAM were modified especially for the marine field.2)Applied modified CPSs to marine collision accident analysis.3)In consideration of the frequency of occurrence and the importance of CPCs, authors quantified the severity of marine collision accident.4)Comparing accidents designated as serious by the accident investigation standard and those designated as serious by means of numerical values derived from the importance of human factors, the effectiveness of quantifying the marine accident severity with numerical value was confirmed.
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