研究プラットフォーム運用開発部門
Institute for Marine-Earth Exploration and Engineering (MarE3)

Research Vessels

Our Research Fleet

Deep-sea Drilling Vessel Chikyu

Main objective
Deepwater seafloor drilling
Built
2005
Length x Beam (m)
210×38
Gross tonnage (ton)
56,752
Draft (m)
9.2
Speed (kn)
12
Accommodation (for researchers)
200 (50)
Propulsion System
Electric
Propulsion Device
6 x Azimuth Thrusters

Research Vessel Kaimei

Main objective
Sub-seafloor surveys
Built
2016
Length x Beam (m)
100.5×20.5
Gross tonnage (ton)
5,747
Draft (m)
6.3
Speed (kn)
12
Accommodation (for researchers)
65(38)
Propulsion System
Electric
Propulsion Device
2 x Azimuth Thrusters

Support Vessel Yokosuka

Main objective
Deep-sea surveys
Built
1990
Length x Beam (m)
105×16
Gross tonnage (ton)
4,439
Draft (m)
4.7
Speed (kn)
16
Accommodation (for researchers)
60 (15)
Propulsion System
Diesel
Propulsion Device
2 x Variable-Pitch Propellors

Deep Sea Research Vessel Kairei

Main objective
Ultra-deep-sea surveys
Built
1997
Length x Beam (m)
106×16
Gross tonnage (ton)
4,517
Draft (m)
4.7
Speed (kn)
16
Accommodation (for researchers)
60 (22)
Propulsion System
Diesel
Propulsion Device
2 x Variable-Pitch Propellors

Oceanographic Research Vessel Mirai

Main objective
Atmospheric & Oceanographic survey
Built
1997
Length x Beam (m)
128×19
Gross tonnage (ton)
8,706
Draft (m)
6.9
Speed (kn)
16
Accommodation (for researchers)
80 (46)
Propulsion System
Diesel/Electric
Propulsion Device
2 x Variable-Pitch Propellors

Research Vessel Hakuho Maru

Main objective
Oceanographic surveys
Built
1989
Length x Beam (m)
100×16
Gross tonnage (ton)
3,991
Draft (m)
6.3
Speed (kn)
15
Accommodation (for researchers)
89 (35)
Propulsion System
Diesel/Electric
Propulsion Device
2 x Variable-Pitch Propellors

Research Vessel Shinsei Maru

Main objective
Research on the impact of the Tohoku-Oki Great Earthquake on marine ecosystems and their recovery
Built
2013
Length x Beam (m)
66×13
Gross tonnage (ton)
1,635
Draft (m)
5.0
Speed (kn)
12
Accommodation (for researchers)
41 (15)
Propulsion System
Electric
Propulsion Device
2 x Azimuth Thrusters

Retired Vessels

Research Vessel Natsushima

Natsuhima

Main objective
Support submersible operations
Built (Retired)
1981 (Retired in Feb 2016)
Length x Beam (m)
67.3×13
Gross tonnage (ton)
1,739
Draft (m)
5.0
Speed (kn)
11
Accommodation (for researchers)
55 (18)
Standard Equipment
SCS, Sonic exploration device, Piston corer, Dredge
Special feature
SHINKAI 2000,
HYPER-DOLPHIN

Research Vessel Kaiyo

Kaiyo

Main objective
Underwater experiments
Built (Retired)
1985 (Retired in Feb 2016)
Length x Beam (m)
61.5×28
Gross tonnage (ton)
5,747
Draft (m)
6.3
Speed (kn)
13
Accommodation (for researchers)
60 (31)
Standard Equipment
Automatic ship position maintenance device, Ocean bottom seismometer refraction method system
Special feature
New Seatopia Project

Research Vessel Tansei Maru

Tansei Maru

Main objective
Observation and research
Built (Retired)
1982 (Retired in Jan 2013)
Length x Beam (m)
51×9.2
Gross tonnage (ton)
610
Draft (m)
5.0
Speed (kn)
12
Accommodation (for researchers)
38 (15)
Standard Equipment
PDR, Fish finder, Scanning sonar, Marine meteorological observation equipment, CTD, Airgun compressor, Self-recording water temperature recorder, Pure water production equipment, Water sampler, mud sampler, plankton nets
Special feature
National cooperative research cruises