Research Vessel Hakuho-Maru

operated by Ocean Research Institute, Univ. of Tokyo

Operator

Ocean Research Institute, University of Tokyo

1-15-1 Minamidai Nakano-ku, Tokyo 164-8639, Japan

Phone: +81-3-5512-1563, Fax: +81-3-3505-0570

http://www.ori.u-tokyo.jp/

Builder

Shimonoseki Shipyard and Engine Works,

Mitsubishi Heavy Industries Ltd.

Keel Laid

May 9, 1988

Launched

October 28, 1988

Completed

May 1, 1989

Length(o.a)

100.00 m

Breadth (mld.)

16.2 m

Draft (md.)

6.0 m

Gross Tonnage

3,987 ton

Accommodation

Total : 89 persons including 35 Scientists

Cruising Speed

16 knots

Cruising Range

12,000 nautical miles

Main Engine

Diesel for cruising ; Electric for slow speeds & dynamic positioning

Engine : 1,900 ps x 720 rpm x 4

Moter: 460 kw xl 2P x 2

Propeller

4-wing skewed CPP x 2

Main Generator

AC 450 V3t60 Hz x 2

Bow Thruster

4-wing CPP, 187 rpm x 2

Laboratories

9 Rooms

Main Equipments

ADCP, CTD, ABIS, ACP, XBT, PDR

Deck Gears

#1 Heavy duty winch with 15,000 m/14 mm steel wire

#2 Armoured cable winch with 12, 000 m/8.15 mm Ti-wire for CTD Swell Compensator (1. 5 m stroke) for the above 2 winches

#3 Hydrographic winches with 12,000 m/6.4 mm Ti-wire

#4 Heavy duty winch with 7,000 m/9 mm steel wire

#5 Rope winch for 6, 000 m xl 4 mm ylon rope

#6 BT winch with 1,000 mxs mm 1 steel wire [removable]

#7 Nonmagnetic rubber-coated cable winch for magnetometer, 700 m x 16mm

#8 BT winch with 1,500 mxs mm a steel wire [bow starboard]

A-shaped stern gantry

7. 0 m (W) x 8.0 m (H), 11 ton max. load