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Vessel Data and Contact Information for the
Hakuho Maru

Last Updated - 6/1/2017
Main Activities
Capacities & Workspaces
Range, Speed, Endurance
DP Equipment
CTD Specs
Coring Specs
Underwater Vehicles
Diving Capabilities
Engineering Design
Navigation & Communications
Acoustics & Profiling
Winches, Gantries & Cranes
Country: Japan

NODC Code:

    Call Sign: JDSS
Owner: Independent Administrative Institution, Japan Agency for Marine-Earth (formerly known as JAMSTEC)
Operator: Ocean Research Institute, University of Tokyo
Address: Ocean Research Institute, University of Tokyo
15-1, 1-Chome, Minamidal, Nakano-Ku
Tokyo 164 Japan
Telephone: 033761251
Fax: 033756716
Year Built: 1989
Ship URL: Link to Ship Home Page

Ship Schedule URL:

Ship Schedule via its Home Page

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Main Dimensions

  Length OA: 100  m
  Breadth: 16.2  m
  Freeboard to working deck: Unknown
  Max. draft: 6.3  m

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Main Vessel Activity

  Main Activity: Oceanography
  Operating Area:
  Navy Grids Supported:

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Capacities and Working Spaces

  Gross tonnage: 3991  GRT
  Dry cargo holds: Unknown
  Fuel: 1048  m3
  Wet Labs Area: 70  m2
  Dry Lab Area: 81  m2
  Fresh Water
 Storage Capacity:
  Fresh Water Generator Capacity: Unknown
  Scientific Clean Water Generation: Unknown
  Free Working Deck Area: Unknown
  Space for container lab: Unknown
  Radioactive Isotope Work Areas: Unknown

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Range, Speed and Endurance

  Range: 12000  nautical miles
  Cruising Speed: 16  kts.
  Max. Speed: 18.8  kts.
  Endurance: 30  days

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  Officers: Unknown
  Other crew: 54
  Scientists: 35
  Air Conditioned:  Yes

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Data Processing Equipment:

  Computers: HP: NEC, FACOM:
  Printing/Plotting: Unknown

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CTD Specifications:

  CTD Aboard: Yes
  CTD Type: Unknown
  CTD Tow able: Unknown
  CTD Oxygen Sensing: Unknown
  CTD Transmissivity: Unknown
  CTD Fluormeter: Unknown
  CTD Rosette: Unknown

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Coring Specifications:

  Coring Capabilities Aboard: yes
  Grab Sampler: Unknown
  Box Corer: Unknown
  Gravity Corer: Unknown
  Piston Corer: Unknown
  Multi Corer: Unknown

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Underwater Vehicle Capabilities:

  Underwater Vehicle Support: Unknown
  ROVs: Unknown
  AUVs: Unknown
  Submersibles: Unknown

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Diving Support:

  Diving Capabilities: Unknown

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Engineering Design Particulars


Ice Breaking Ability:


Hull Materials:

  Dynamic Positioning Ability: Unknown
  Engines: Main engine(s): number:  4   make:  Diesel El
Power (BHP) each engine:  7600 at 720rpm
Propeller Diameter:  Unknown
  m Max. RPM:   Unknown
Total power auxiliary diesels:  Unknown
  Electrical Systems:  


 Voltages: 100/115
     kVA: 80/6
    Phases: 60/400



Stabilized System:  Unknown  VAC  Unknown  AMPs   Unknown  Hz



  Unknown   Volts with  Unknown  Volts Max


Fixed Equipment

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Navigation and Communication:

  Navigational Equipment: Gyro compass, Radar & ARPA, Auto-pilot device, Joystic control system, Auto-nav. system including GPS,Doppler Log, EM Log, Data logger and track display
  Communications Equipment: Fax
  Satellite Communications Equipment: Satcom
  GPS: yes

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Acoustics and Profiling:

  Echosounders: 10kHz
  Sonar Type: Fisheries Sector-scan
  Sea Surface Mapping System: Unknown
  Side Scanning: Unknown
  Multibeam: Unknown
  Acoustic Doppler Current Profiler: yes
  Silent Ship Operations: Unknown

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  Winches: Unknown  
    Steel Wire Length: Unknown  safe working load:  Unknown
    Conducting Cable Length:  Unknown , safe working load:  Unknown
    Trawl winch length:  Unknown , safe working load:  Unknown
    Other Winches:
      Length:  Unknown , safe working load:  Unknown
  Gantry: Position: Stern, Midhsips

Clearance above deck:  8  m , and outboard extension:  4  m


Safe working load at maximum reach:  11  tons

  Crane: Position: Midships

Clearance above deck:  20  m  and outboard extension:  10  m


Safe working load at maximum reach:  3  tons

  Other:   heavy duty winch, (2) Armoured calbe winches, (3) hydrographic winches, (4) Heavy duty winch (7000m/ 9 mm steel wire), (5) rope Winches, (8) BT winches

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Vessel Construction and Maintenance Supervision

  Construction Supervised by: Shimonoseki Shipyard and Engine Works,Mitsubishi H
  Classification Society: Japanese Government
  Others, Specify: Unknown
OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Earth, Ocean, and Environment
Lewes, Delaware  19958
Phone:  (302) 645-4225