To quickly prepare for rescuing adequately so as to deliver a floating body to a drowning person.

This ship is formed so that it is worm on a chest part in usage. When air is injected into a clearance in a ship and to the inside of a body part wrapping band, buoyancy is provided. When a folding life buoy fabric housed in lidded recess parts on the both side faces of the ship is rapidly inflated by means of a built-in compressed air cylinder 8, a life buoy is formed and high buoyancy is provided. This unmanned ship is operated from the land via a remove control receiver 7.