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Department of Seamless Environmental Prediction Research

Research Vessels



Principal specifications
 CompletionLength×BeamGross tonnageAccommodation
Major Mission Equipment
YOKOSUKA1990105×16m4,439 t 60(15)·MBES/SBP ·Gravimeter ·Magnetometer

·Hydro acoustic navigation system

KAIREI1997106×16m4,517 t 60(22) ·MBES/SBP
·MCS ·Gravimeter ·Magnetometer ·Winch system

·Hydro acoustic navigation system

MIRAI1997128×19m8,706t 80(46) ·MBES/SBP ·Water sampler ·ADCP
·Doppler radar ·Winch system ·Gravimeter
·Magnetometer ·Radiosonde

·Maritime meteorological observation system

·Hydroacoustic navigation system

HAKUHO-MARU1989100×16m3,991 t 89(35) ·PDR ·MBES ·SBP
·Water sampler ·Winch system
·ADCP ·Gravimeter ·XBT/XCTD
KAIMEI 2016 100.5×20.5m 5,747 t 65(38) MBES/PDR, Gravimeter, Magnetometer,
CTD system, Water sampling system, XBT/XCTD,
Winch system, ADCP, Transponder system,
Meteorological observation system,
Three-mode multi-channel seismic system,
40 meter-long piston corer system, BMS,
Power grab sampler, 3,000 meter-class ROV,
Container laboratory,
Analytical and experimental equipment,
Anti-rolling system,
Shipboard wireless LAN system, and DPS
201366m×13m1,629 t 41(15) MBES/SBP/PDR, Gravimeter, Magnetometer,
XBT/XCTD, CTD system,
Water sampler Winch system,
Hydroacoustic navigation system, Fish-finder,
Maritime meteorological observation system
ADCP: Acoustic doppler current profiler
MCS: Multichannel seismic survey system
MBES: Multibeam echo sounder
OBS: Ocean bottom seismograph
SCS: Single-channel seismic survey system
  SBP: Sub-bottom Profiler
DPS: Dynamic positioning system
XBT: Expendable bathythermograph
XCTD: Expendable conductivity temperature depth profiler
BMS: Boring Machine System