ファルコン沈没事故から見たプレジャー艇の最大搭載人員のあり方

概要

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Last year, the yacht named Falcon, capsized in a sudden gust of wind and sank in Lake Biwa during a bank holiday cruise on 15th September. The yacht reportedly left the harbor afternoon with 12 people on board. It was initially believed that 10-man capacity Falcon was overcrowded but the number of people was within the limit because a child is counted as half an adult. Police are also probing whether there were enough life jackets for all 12 people on board. Normally, Lake is easy to navigate compared to the sea but its western near coastal is tricky because of sudden gust known as the "Hiei Oroshi". A normally safe yacht could overturn if too many people are placed on one side of the vessel. So, we can rearrange the order of the people for its balance if a yacht leans toward one side but it's difficult to do when there are 12 people, including children. Therefore, we pay attention to the maximum capacity and studied its calculated process of the yacht which has a special skill and other leisure boats. As consequence, we realized some problems in the process and crew's psychological action was studied experimentally and obtained some characteristics.
社団法人日本航海学会の論文
2005-03-25