At present, China's shipping industry is in the rising stage of development, the flow of ships is increasing, and with it, the increasing number of navigation safety problems, and one of them is especially prominent is the ship collision accident. Ningbo-Zhoushan Port, as an important maritime gateway in China's Zhejiang Province and areas along the Yangtze River, has great representative significance. In this paper, through the investigation and statistics of ship collision accidents in Ningbo-Zhoushan port area in recent years, we use Bayesian network modeling method for safety analysis, and conclude that the occurrence of collision accidents is mainly influenced by human factors such as lookout negligence and improper operation, and give some suggestions in safe navigation.
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