Education and Training on Causal Factors of Marine Collisions

According to the Japan Coast Guard, marine accidents involving over 2,000 vessels have occurred annually, and approximately 30% of these are collision accidents. Presumably, approximately 92% of collision accidents´ causes are human factors. We classified the causal factor termed ´gprimary cause by human error´ into ten items. As a result of analyzing the dangerous case that we experienced and investigating the causal factor of error, the problem of ´gbelief´ was revealed. (In this paper, belief says what there is no rational basis or what is the thing that is believed based on the wrong basis, and is a meaning near assumption.) Furthermore, 130 marine collision accidents were investigated, overwhelmingly, ´gbelief´ was a causal factor. As a countermeasure against a ´gbelief´ as a causal factor of error, we proposed training that aimed at acquisition of critical thinking.