For example 30 The hull of a multi-hull vessel for boarding and shipping at 50 knot speed shall be the vertical distance between the baseline and the volume center of gravity below the waterline to the waterline equivalent to the specified hull draft. In the direction half, the volumetric weight of the foreign body half of the hull between the middle of the ship and the foreign body part of the hull, which is at least 55% of the hull draft between the baseline BL and the draft line T, and located below the draft line. The vertical position of the center point is 55% or less of the draft, and the distance between the baseline (BL) and the center of gravity of the frame area below the odd line at a position corresponding to 75% of the total length below the odd line is 55% or less of the draft. It is characterized by that.
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