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Vessel Data and Contact Information for the
Tankai Maru

Last Updated - 2/15/2005
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: 7LAY
Owner: Fisheries Agency, Ministry of Agriculture, Forestry and Fisheries
Operator: Hokkaido National Fisheries Research Institute (HNF)
Address: 116 Katsurakoi, Kushiro-Shi,
Hokkaido 085-0802,
Telephone: +81-154-919-136
Fax: +81-154-919-355
Year Built: 1982
Ship URL: Link to Ship Home Page

Ship Schedule URL:


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Main Dimensions

  Length OA: 40.13  m
  Breadth: 6.8  m
  Freeboard to working deck: Unknown
  Max. draft: 2.633  m

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Main Vessel Activity

  Main Activity: oceanography and fishery- stock assessment
  Operating Area: North Pacific Ocean, Okhotsk Sea, northen Sea of Japan, and including 200 miles in Russian's zone
  Navy Grids Supported: NP4, NP6 and NP8

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Capacities and Working Spaces

  Gross tonnage: 168  GRT
  Dry cargo holds: Unknown
  Fuel: Unknown
  Wet Labs Area: Unknown
  Dry Lab Area: Unknown
  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: Unknown
  Cruising Speed: 11  kts.
  Max. Speed: Unknown
  Endurance: 24  days

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  Officers: Unknown
  Other crew: 24
  Scientists: Unknown
  Air Conditioned: Unknown

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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: 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:  1   make:  Niigata engineering 6MG22LX, diesel engine
Power (BHP) each engine:  900 PS 840 RPM
Propeller Diameter:  Unknown
  m Max. RPM:   Unknown
Total power auxiliary diesels:  Unknown
  Electrical Systems:  


 Voltages: Unknown
     kVA: Unknown
    Phases: Unknown



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: GPS, Loren C, Course recorder
  Communications Equipment: Unknown
  Satellite Communications Equipment: Unknown
  GPS: Unknown

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Acoustics and Profiling:

  Echosounders: Color echo sounder
  Sonar Type: Unknown
  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: 3000  m,  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: Unknown

Clearance above deck:  Unknown , and outboard extension:  Unknown


Safe working load at maximum reach:  Unknown

  Crane: Position: Unknown

Clearance above deck:  Unknown  and outboard extension:  Unknown


Safe working load at maximum reach:  Unknown

  Other:   BT Winch (2,000m) CTD winch (4,000), DBT winch, XBT winch and MBT winch

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Vessel Construction and Maintenance Supervision

  Construction Supervised by: Niigata engineering Co.Ltd, Niigata shipyard.
  Classification Society: Unknown
  Others, Specify: Unknown
OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Earth, Ocean, and Environment
Lewes, Delaware  19958
Phone:  (302) 645-4225