is a Japanese training sailing ship operated by the National Institute for Sea Training out of Tokyo.[1] She was built by Sumitomo Heavy Industries in Uraga, Kanagawa, and was launched on 15 February 1984, with her commissioning occurring on 16 September.[1] She was built as a replacement for the 1930-built barque Nippon Maru.[1]
Nippon Maru is 110.1m (361.2feet) long, with a beam of 13.8m (45.3feet) and a draft of 6.5m (21.3feet).[1] Her gross tonnage is 2,891.[1] She is rigged as a four-masted barque, with a sail area of 2760sqm, and has two 1,500-horsepower diesel engines for auxiliary functions.[1] She has a crew complement of 70, with a training complement of 120 trainees.[1]