SHIP WITH ATTACHABLE BUOYANCY ASSISTING DEVICE

A ship with a detachable buoyancy assisting device is provided to shorten a replacement time of a buoyancy assisting member and to protect a ship body from external impact acting on the buoyancy assisting member. A ship with a detachable buoyancy assisting device(14) includes a buoyancy member(4), a ship body middle part(9), and the detachable buoyancy assisting device. The buoyancy member is composed of an integral air tube being in contact with a left side, a right side, and the stern of a ship body. The detachable buoyancy assisting device includes a curved surface and a curved plate part(16), a seating part(18), and an elastic member(20). The detachable buoyancy assisting device is provided in an insertion groove(10) formed in the ship body middle part. The detachable buoyancy assisting device is connected to fitting projections(6,6') formed in the buoyancy member for fixing the buoyancy member to the ship body.