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Vessel Data and Contact Information for the
Gunnar Thorson

Last Updated - 5/9/2005
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: Denmark

NODC Code:

    Call Sign: OUDU
Owner: Royal Danish Navy
Operator: National Environmental Research Institute,
Contact: Senior Adviser Gunni ∆rtebjerg
Address: Department of Marine Ecology,
Frederiksborgvej 399, P.O. Box 358,
DK-4000 Roskilde, Denmark
Telephone: +45 4630 1200
Fax: +45 4630 1114
Year Built: 1981
Ship URL: Link to Ship Home Page

Ship Schedule URL:


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Main Dimensions

  Length OA: 56  m
  Breadth: 12.3  m
  Freeboard to working deck: 2  m
  Max. draft: 3.9  m

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Main Vessel Activity

  Main Activity: Combating oil spills
  Operating Area: Baltic Sea-Belt Sea-Kattegat-Skagerrak-North Sea
  Navy Grids Supported:

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Capacities and Working Spaces

  Gross tonnage: 868  GRT
  Dry cargo holds: 310  m3
  Fuel: 290  m3
  Wet Labs Area: 4  m2
  Dry Lab Area: 40  m2
  Fresh Water
 Storage Capacity:
82  m3
  Fresh Water Generator Capacity: Unknown
  Scientific Clean Water Generation: De-ionised water
  Free Working Deck Area: 162  m2
  Space for container lab: 8 x 20  m
  Radioactive Isotope Work Areas: 10 m2 in dry lab.  m

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Range, Speed and Endurance

  Range: 9600  nautical miles
  Cruising Speed: 10  kts.
  Max. Speed: 13  kts.
  Endurance: 40  days

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  Officers: 4
  Other crew: 12
  Scientists: 12
  Air Conditioned:  No

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Data Processing Equipment:

  Computers: 1 PC
  Printing/Plotting: 1 printer

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CTD Specifications:

  CTD Aboard: Yes
  CTD Type: Sea-Bird SBE-25 Sealogger
  CTD Tow able: No
  CTD Oxygen Sensing: Oxyguard
  CTD Transmissivity: Biospherical QSP-200PD
  CTD Fluormeter: Hardt, 2 channels
  CTD Rosette: Sea-Bird SBE32, 12 x 5 l bottles

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Coring Specifications:

  Coring Capabilities Aboard: Unknown
  Grab Sampler: HAPS, van Veen
  Box Corer: Yes
  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: Compressor

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Engineering Design Particulars


Ice Breaking Ability:

0.5 m, Lloyds 1A

Hull Materials:

  Dynamic Positioning Ability: Unknown
  Engines: Main engine(s): number:  2   make:  Diesel
Power (BHP) each engine:  1180 at 825 rpm
Propeller Diameter:  2.1   m Max. RPM:   300
Total power auxiliary diesels:  825   HP
  Electrical Systems:  


 Voltages: 0/380 v, 0/380 v
     kVA: 520/184
    Phases: 3/3


50/50  Hz

Stabilized System:   VAC  Unknown  AMPs    Hz



  Unknown   Volts with  Unknown  Volts Max


Fixed Equipment

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Navigation and Communication:

  Navigational Equipment: 2 Furuno Radars, Furuno Marine Gyrocompass, Doppler Speed Log
  Communications Equipment: Sailor VHF RT 2048, Fax
  Satellite Communications Equipment: Unknown
  GPS: DGPS Northstar 951X

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Acoustics and Profiling:

  Echosounders: Elac Laz 5000
  Sonar Type: No
  Sea Surface Mapping System: No
  Side Scanning: No
  Multibeam: none
  Acoustic Doppler Current Profiler: RDI Instruments 600 kHz
  Silent Ship Operations: Yes

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  Winches: 2  
    Steel Wire Length: 1000  m,  safe working load:  0.5  tons
    Conducting Cable Length:  1000  m , safe working load:  0.5  tons
    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: Midships

Clearance above deck:  15  m  and outboard extension:  13  m


Safe working load at maximum reach:  1  tons

  Other:   Unknown

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Vessel Construction and Maintenance Supervision

  Construction Supervised by: Unknown
  Classification Society: Lloyd's Register + 100 A 1
  Others, Specify: Unknown
OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Earth, Ocean, and Environment
Lewes, Delaware  19958
Phone:  (302) 645-4225