A planing boat including: a hull 1 having a boarding area 10; a screw unit 2 having a screw 20, and configured to be rotatable with respect to the hull 1 so that the expulsion direction BD of a water current by the screw 20 can vary by 360 degrees; and a direction change mechanism 3 having a turning drive force source 30, and configured to change the expulsion direction BD by rotating the screw unit 2 with respect to the hull 1 with a drive force of the turning drive force source 30.
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