Yanmar Co., Ltd.

Toshimitsu Hirose

Naohiro Hara

Akiyoshi Hayashi

A ship steering device capable of steering a hull in an intended direction by correcting an unintended rotation that occurs during an oblique sailing operation regardless of the type and size of the hull. A ship steering device is provided with an elevation angle sensor for detecting the elevation angle &#x3b1; of a hull, a hull speed sensor for detecting the speed V of the hull, a storage means storing the relation among the elevation angle &#x3b1; of the hull, the speed V of the hull, and a correction value K, and a calculation means serving as a correction value determination means, and an operation amount by which a joystick is operated such that the hull does not turn in the state in which the hull is obliquely sailed is determined by the calculation means and used as the correction value K.

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Osaka, Japan

Toshimitsu Hirose