Abstract
Four years have passed since the Nippon maru, 2570 tons four-masted bark, was built in 1984 to replace former Nippon maru as a Sail trainning ship for the students of Institute for Sea Trainning, Ministry of Transport, Japan.
In this report, the author, the first chief engineer of the Nippon maru, described as follows.
1) Her operation results from 16th Sept. 1984 to 31st Mar. 1988
2) Principal reasons why twin-screw arrangement was adopted for her.
