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Vessel Data and Contact Information for the
Hokko 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: 8LRY
Owner: Fisheries Agency, Ministry of Agriculture, Forestry and Fisheries
Operator: Hokkaido National Fisheries Research Institute (HNF)
Contact: Capt. Takeda
Address: 116 Katsurakoi
Kushiro-Shi, Hokkaido 085-0802
Telephone: +81-154-91-9136
Fax: +81-154-91-9355
Year Built: 1976
Ship URL: Link to Ship Home Page

Ship Schedule URL:


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Main Dimensions

  Length OA: 49.73  m
  Breadth: 9  m
  Freeboard to working deck: Unknown
  Max. draft: 3.8  m

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Main Vessel Activity

  Main Activity: Oceanography, Fisheries research
  Operating Area: Coastal water of Japan, Japan Sea, Okhotsk Sea and North Pacific Ocean
  Navy Grids Supported: NP4, NP7 and NP8

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Capacities and Working Spaces

  Gross tonnage: 466.49  GRT
  Dry cargo holds: Unknown
  Fuel: 177.86  m3
  Wet Labs Area: Unknown
  Dry Lab Area: Unknown
  Fresh Water
 Storage Capacity:
57.1  m3
  Fresh Water Generator Capacity: 9  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: 5500  nautical miles
  Cruising Speed: 10.5  kts.
  Max. Speed: 12  kts.
  Endurance: 17  days

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  Officers: Unknown
  Other crew: 25
  Scientists: 8
  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: 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:  2   make:  6G-UT 900ps Yanmer
Power (BHP) each engine:  1800 at 750rpm
Propeller Diameter:  2.6   m Max. RPM:   Unknown

Total power auxiliary diesels:  250   HP
  Electrical Systems:  


 Voltages: 0
     kVA: 600/200
    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 Decca SatNav Gyro EMLog
  Communications Equipment: Fax
  Satellite Communications Equipment: Unknown
  GPS: Unknown

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Acoustics and Profiling:

  Echosounders: Unknown
  Sonar Type: Fisheries
  Sea Surface Mapping System: Unknown
  Side Scanning: Unknown
  Multibeam: Unknown
  Acoustic Doppler Current Profiler: Unknown
  Silent Ship Operations: Unknown

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  Winches: 3  
    Steel Wire Length: 5500  m,  safe working load:  2  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: 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:   Ctd Winch

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Vessel Construction and Maintenance Supervision

  Construction Supervised by: Narasaki Shipyard co., Ltd.
  Classification Society: Unknown
  Others, Specify: Ministry of Transport
OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Earth, Ocean, and Environment
Lewes, Delaware  19958
Phone:  (302) 645-4225