Marine Technology and Engineering Center

Research Vessels and Deep Ocean Investigation System

 

Principal specifications
 missionCompletionLength×BeamGross tonnageAccommodation
(Researchers)		Major Mission Equipment
NATSUSHIMADeep ocean
floor surveys		198167×13m1,739t55(18)·PDR ·MBES

·Quantitative echo sounders

·Hydro acoustic navigation system

·XBT/XCTD
KAIYODeep ocean
floor surveys		198562×28m3,350 t 60 (31) ·MBES ·MCS ·ADCP ·DPS

·Acoustic transduser for navigation System

·XBT/XCTD
YOKOSUKASupport research
dives of submersible
and vehicle		1990105×16m4,439 t 60(15)·MBES/SBP ·Gravimeter ·Magnetometer

·Hydro acoustic navigation system

·XBT/XCTD
KAIREIOceanographic
surveys		1997106×16m4,517 t 60(22) ·MBES/SBP
·MCS ·Gravimeter ·Magnetometer ·Winch system

·Hydro acoustic navigation system

·XBT/XCTD
MIRAIDeep ocean
floor surveys		1997128×19m8,687t 80(46) ·MBES/SBP ·Water sampler ·ADCP
·Doppler radar ·Winch system ·Gravimeter
·Magnetometer ·Radiosonde

·Maritime meteorological observation system

·Hydroacoustic navigation system

·XBT/XCTD
TANSEI-MARUOceanographic
surveys in the seas
surrounding Japan		198251×9m610 t 38(15)·PDR ·ADCP ·Fish-finder
·Winch system ·XBT
HAKUHO-MARUOceanographic
surveys		1989100×16m3,991 t 89(35) ·PDR ·MBES ·SBP
·Water sampler ·Winch system
·ADCP ·Gravimeter ·XBT/XCTD
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