Study on ship operating safety evaluation from view point of opereter

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Currently, a study about the quantitative evaluation of the maritime technology of mariner executed by Prof. KOBAYASHI. The result of the study is applied to the maritime education and training using ship handling simulator and the evaluation of the ship operator characteristic. However, the studies about the evaluation of ship-handling competency for the mariner's at berthing maneuver are insufficient.In this study, it proposed the method for ship handling training for berthing maneuver under the wind. In this study, we carried out numerical simulation and experiments using ship-handling simulator. From the numerical simulation, we can estimate the berthing ability relating to physical condition without the human characteristics. And we are already propose define the index for berthing ability "Tug Margin". Tug Margin is expressed as margin of tugboats force against the wind force.