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Vessel Data and Contact Information for the

Last Updated - 2/11/2005
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: 7JDU
Owner: Independent Administrative Institution, Japan Agency for Marine-Earth (JAMSTEC)
Operator: Nippon Marine Enterprises, Ltd.
Contact: Mr. Yutaka Matsuo
Address: 8th Floor Nissei Bldg,
14-1 Ogawa-Cho
Yokosuka-City, 238, Japan
Telephone: 046-824-4611
Fax: 046-824-6577
Year Built: 1981
Ship URL: Link to Ship Home Page

Ship Schedule URL:

Ship Schedule via its Home Page

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Main Dimensions

  Length OA: 67.4  m
  Breadth: 13  m
  Freeboard to working deck: 3.7  m
  Max. draft: 3.6  m

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Main Vessel Activity

  Main Activity: Oceanographic and Geological deep sea Surveys
  Operating Area:
  Navy Grids Supported:

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Capacities and Working Spaces

  Gross tonnage: 1553  GRT
  Dry cargo holds: Unknown
  Fuel: 365  m3
  Wet Labs Area: Unknown
  Dry Lab Area: Unknown
  Fresh Water
 Storage Capacity:
  Fresh Water Generator Capacity: 15  m3/day
  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: 10800  nautical miles
  Cruising Speed: 12.2  kts.
  Max. Speed: 13.1  kts.
  Endurance: 47  days

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  Officers: Unknown
  Other crew: 49
  Scientists: 6
  Air Conditioned:  Yes

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Data Processing Equipment:

  Computers: Unknown
  Printing/Plotting: Unknown

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CTD Specifications:

  CTD Aboard: Unknown
  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: Unknown
  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: Hyper-Dolphin, JAMSTEC Deep Tow
  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:  2   make:  Diesel
Power (BHP) each engine:  1700 at 900rpm
Propeller Diameter:  2.3   m Max. RPM:   220
Total power auxiliary diesels:  1490   HP
  Electrical Systems:  


 Voltages: 0/440V 0/450V
     kVA: 1000/250
    Phases: 3/3


60/60  Hz

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: Radar Loran SatNav Gyro EMLog DopLog
  Communications Equipment: Fax SatCom
  Satellite Communications Equipment: Unknown
  GPS: Unknown

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Acoustics and Profiling:

  Echosounders: 12kHz 50kHz
  Sonar Type: Sector-scan
  Sea Surface Mapping System: Unknown
  Side Scanning: Unknown
  Multibeam: Unknown
  Acoustic Doppler Current Profiler: Unknown
  Silent Ship Operations: Unknown

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  Winches: 1  
    Steel Wire Length: 4300  m,  safe working load:  4  tons
    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

Clearance above deck:  4  m , and outboard extension:  9  m


Safe working load at maximum reach:  Unknown

  Crane: Position: Stern

Clearance above deck:  4  m  and outboard extension:  3  m


Safe working load at maximum reach:  15  tons

  Other:   Unknown

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Vessel Construction and Maintenance Supervision

  Construction Supervised by: Unknown
  Classification Society: Nippon Kaiji Kyokai
  Others, Specify: Unknown
OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Earth, Ocean, and Environment
Lewes, Delaware  19958
Phone:  (302) 645-4225