Kaiwo Maru (海王丸, Kaiō-Maru) is a Japanese four-masted training barque tall ship. She was built in 1989 to replace a 1930 ship of the same name. She is 110.09 m (361.2 ft) overall, with a beam of 13.80 m (45.3 ft) and a depth of 10.70 m (35.1 ft). She is assessed as 2,556 GT. Propulsion is by two 4-cylinder diesel engines and a total of 2,760 m² (29,700 sq ft) of sails. The engines have a total power of 3,000 horsepower (2,200 kW) and can propel the ship at a maximum of 14.1 kn (26.1 km/h; 16.2 mph), with a normal service maximum of 13 kn (24 km/h; 15 mph). Kaiwo Maru has a range of 9,800 nmi (18,100 km; 11,300 mi). The four masts are the fore mast, main mast, mizzen mast and jigger mast. The main mast is 43.50 m (142.7 ft).