IRVSI Header Logo

Vessel Data and Contact Information for the
Okeanos Explorer

Last Updated - 7/11/2018
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: USA

NODC Code:

    Call Sign: WTDH
Owner: National Oceanic and Atmospheric Administration
Operator: National Oceanic and Atmospheric Administration
Address: NOAA Ship Okeanos Explorer
2578 Davisville Road
North Kingstown, RI 02852
Year Built: 1988
Ship URL: Link to Ship Home Page

Ship Schedule URL:

Ship Schedule via its Home Page

Back to Top

Main Dimensions

  Length OA: 68.3  m
  Breadth: 13.1  m
  Freeboard to working deck: Unknown
  Max. draft: 5.13  m

Back to Top

Main Vessel Activity

  Main Activity: Exploration and Discovery
  Operating Area: Global
  Navy Grids Supported:

Back to Top

Capacities and Working Spaces

  Gross tonnage: 2062  GRT
  Dry cargo holds: Unknown
  Fuel: 564  m3
  Wet Labs Area: 24  m2
  Dry Lab Area: 24  m2
  Fresh Water
 Storage Capacity:
18.5  m3
  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

Back to Top

Range, Speed and Endurance

  Range: 9600  nautical miles
  Cruising Speed: 10  kts.
  Max. Speed: 12  kts.
  Endurance: 40  days

Back to Top


  Officers: 6
  Other crew: 21
  Scientists: 19
  Air Conditioned:  Yes

Back to Top

Data Processing Equipment:

  Computers: Unknown
  Printing/Plotting: Unknown

Back to Top

CTD Specifications:

  CTD Aboard: Unknown
  CTD Type: Seabird SBE 9-11 Plus CTD
  CTD Tow able: Unknown
  CTD Oxygen Sensing: Unknown
  CTD Transmissivity: Unknown
  CTD Fluormeter: Unknown
  CTD Rosette: Unknown

Back to Top

Coring Specifications:

  Coring Capabilities Aboard: Unknown
  Grab Sampler: Unknown
  Box Corer: Unknown
  Gravity Corer: Unknown
  Piston Corer: Unknown
  Multi Corer: Unknown

Back to Top

Underwater Vehicle Capabilities:

  Underwater Vehicle Support: Unknown
  ROVs: Deep Discoverer, Seirios
  AUVs: Unknown
  Submersibles: Unknown

Back to Top

Diving Support:

  Diving Capabilities: 4 person working diver team

Back to Top

Engineering Design Particulars


Ice Breaking Ability:


Hull Materials:

  Dynamic Positioning Ability: Beier IVCS 2000, Kongsberg K-POS DP-11
  Engines: Main engine(s): number:  4   make:  Caterpillar D398
Power (BHP) each engine:  800
Propeller Diameter:  2.44   m Max. RPM:   Unknown

Total power auxiliary diesels:  1600   HP
  Electrical Systems:  


 Voltages: Unknown
     kVA: Unknown
    Phases: Unknown



Stabilized System:  Unknown  VAC  Unknown  AMPs   Unknown  Hz



  Unknown   Volts with  Unknown  Volts Max


Fixed Equipment

Back to Top

Navigation and Communication:

  Navigational Equipment: Furuno/FAR 2837S, FAR 2827X, FE-700, FA-150, Transas/Navi-Sailor 4000, SG Brown Meridian, Nobeltec
  Communications Equipment: Unknown
  Satellite Communications Equipment: Unknown
  GPS: C-Navi Gator

Back to Top

Acoustics and Profiling:

  Echosounders: Unknown
  Sonar Type: Unknown
  Sea Surface Mapping System: Unknown
  Side Scanning: SIMRAD EK-60
  Multibeam: Kongsberg EM-302
  Acoustic Doppler Current Profiler: Unknown
  Silent Ship Operations: Unknown

Back to Top


  Winches: 3  
    Steel Wire Length: 3000  m,  safe working load:  1.65  tons
    Conducting Cable Length:  8000  m , safe working load:  7.5  tons
    Trawl winch length:  Unknown , safe working load:  Unknown
    Other Winches:
      Length:  Unknown , safe working load:  Unknown
  Gantry: Position: A-Frame on working deck aft, J-Frame on 01 deck stbd

Clearance above deck:  Unknown , and outboard extension:  4.57  m


Safe working load at maximum reach:  1.75  tons

  Crane: Position: Aft working deck 1 port (ROV), 1 stbd

Clearance above deck:  12.2  m  and outboard extension:  6.1  m


Safe working load at maximum reach:  6  tons

  Other:   1 Markey General purpose, 1 Markey Oceanographic, 1 Dynacon Traction for ROV Ops - 8000 m Oceanographic, 10000 m Traction fiber optic, 8000 m Traction conductor

Back to Top

Vessel Construction and Maintenance Supervision

  Construction Supervised by: US Navy Supervised
  Classification Society: American Bureau of Shipping
  Others, Specify: Major Refit 2004-2008
OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Earth, Ocean, and Environment
Lewes, Delaware  19958
Phone:  (302) 645-4225