This ship is the harbor lighter, mainly uses in the port area offshoreto send and pick up the personnel. Work to along navigation area.Rests on "Steel Sea boat To enter Level And Construction Standard"(2,001) designs. This ship for steel welding structure, center typediesel engine power advancement, twin screw, double rudder ship. Has艏 elevates the deck, the double-decked deck house, the tip, the sidetail, he column, is the single deck ship. The structure is Horizontal skeleton. The freeboard, the stability, conform to"Ships And Marine Facility Legal Examination Rule" (1,999) requests.