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Vessel Data and Contact Information for the
Johan Hjort

Last Updated - 5/7/2004
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: Norway

NODC Code:

    Call Sign: LDGJ
Operator: Institute of Marine Research (IMR)
Contact: Per W. Nieuwejaar
Address: Institute of Marine Research (IMR), Research Vessels Department,
P.O. Box 1879 Nordnes,
N-5817 Bergen, Norway
Telephone: + 47 55 23 68 49
Fax: +47 55 23 85 32
Year Built: 1990
Ship URL: Link to Ship Home Page

Ship Schedule URL:

Ship Schedule via its Home Page

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Main Dimensions

  Length OA: 64.4  m
  Breadth: 13  m
  Freeboard to working deck: 4  m
  Max. draft: 5.4  m

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Main Vessel Activity

  Main Activity: Fisheries and environmental research
  Operating Area: Barents sea, Norwegian sea, North sea, Eastern North Atlantic
  Navy Grids Supported:

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Capacities and Working Spaces

  Gross tonnage: 1828  GRT
  Dry cargo holds: Unknown
  Fuel: 380  m3
  Wet Labs Area: 50  m2
  Dry Lab Area: 75  m2
  Fresh Water
 Storage Capacity:
80  m3
  Fresh Water Generator Capacity: 10  m3/day
  Scientific Clean Water Generation: 15
  Free Working Deck Area: 316  m2
  Space for container lab: yes  m
  Radioactive Isotope Work Areas: Unknown

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Range, Speed and Endurance

  Range: 1000  nautical miles
  Cruising Speed: 11  kts.
  Max. Speed: 14  kts.
  Endurance: 40  days

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  Officers: 6
  Other crew: 8
  Scientists: 18
  Air Conditioned: Unknown

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Data Processing Equipment:

  Computers: Pc’s and UNIX workstations in network
  Printing/Plotting: A1 plotter, Laser Printers, Ink Printers

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CTD Specifications:

  CTD Aboard: Yes
  CTD Type: SBE 911plus
  CTD Tow able: no
  CTD Oxygen Sensing: Unknown
  CTD Transmissivity: no
  CTD Fluormeter: no
  CTD Rosette: SBE 32 12 Bottles (10 litre)

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Coring Specifications:

  Coring Capabilities Aboard: Unknown
  Grab Sampler: yes
  Box Corer: Unknown
  Gravity Corer: no
  Piston Corer: no
  Multi Corer: no

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Underwater Vehicle Capabilities:

  Underwater Vehicle Support: no
  ROVs: Unknown
  AUVs: Unknown
  Submersibles: Unknown

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Diving Support:

  Diving Capabilities: no

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Engineering Design Particulars


Ice Breaking Ability:


Hull Materials:

  Dynamic Positioning Ability: Unknown
  Engines: Main engine(s): number:  1   make:  Wärtsila Wichmann diesel 8V283
Power (BHP) each engine:  3264
Propeller Diameter:  3.9   m Max. RPM:   123
Total power auxiliary diesels:  1060   HP
  Electrical Systems:  


 Voltages: 440/220V
     kVA: 780/1500
    Phases: Unknown


60/60  Hz

Stabilized System:   VAC   AMPs    Hz



  Unknown   Volts with  Unknown  Volts Max


Fixed Equipment

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Navigation and Communication:

  Navigational Equipment: RACAL-DECCA 2690 BT SERIES S-band, RACAL-DECCA BT 502 X-band
  Communications Equipment: Skanti model TRP 8400D, Sailor Compact RT2048
  Satellite Communications Equipment: Sealink 128 ?, Inmarsat Std C
  GPS: Trimble NT200D dGPS, Racal Mk 90 GPS

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Acoustics and Profiling:

  Echosounders: Simrad EQ100 50 kHz, Simrad EK500 200 kHz single beam, Simrad EK500 18, 38 and 120 kHz split beam
  Sonar Type: Simrad SR240 omnisonar 24 kHz
  Sea Surface Mapping System: none
  Side Scanning: none
  Multibeam: none
  Acoustic Doppler Current Profiler: RD-VM0150
  Silent Ship Operations: Unknown

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  Winches: 2  
    Steel Wire Length: 3000  m,  safe working load:  0.5  tons
    Conducting Cable Length:  4500  m , safe working load:  1.5  tons
    Trawl winch length:  Unknown , safe working load:  Unknown
    Other Winches:
      Length:  Unknown , safe working load:  Unknown
  Gantry: Position: Stern

Clearance above deck:  2.5  m , and outboard extension:  6  m


Safe working load at maximum reach:  10  tons

  Crane: Position: Stern, Midships

Clearance above deck:  6  m  and outboard extension:  Unknown


Safe working load at maximum reach:  Unknown

  Other:   Unknown

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Vessel Construction and Maintenance Supervision

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