http://hdl.handle.net/20.500.12067/1091 2026-04-20T16:37:30Z 2026-04-20T16:37:30Z Sitothai, Vichitra Oishi, Masato http://hdl.handle.net/20.500.12067/534 2023-04-20T03:50:47Z 1986-04-01T00:00:00Z

Coastal Navigation Sitothai, Vichitra; Oishi, Masato To carry out any activities at sea one needs to know how to fix positions, set a course and measure the distance. In the area of fisheries navigation knowledge is obviously essential. For instance, when a fishing boat is preparing to leave a port for a fishing ground, the planned sea route (course) must be drawn on the charts, and the course in degrees and arrival time at the fishing ground must be decided.

1986-04-01T00:00:00Z Oishi, Masato http://hdl.handle.net/20.500.12067/532 2023-04-20T03:50:47Z 1989-05-01T00:00:00Z

Celestial Navigation Oishi, Masato To carry out any activities at sea one needs to know how to fix positions, set a course and measure the distance. In the area of fisheries, navigational knowledge is obviously essential. For instance, when a fishing boat is preparing to leave a port for a fishing ground, the planned sea route (course) must be drawn on the charts, and the course in degrees and distance in nautical miles calculated. The departure and arrival time at the fishing ground must be decided.

1989-05-01T00:00:00Z