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Vessel Data and Contact Information for the

Last Updated - 1/25/2005
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: USA

NODC Code:

    Call Sign: WTEU
Owner: National Oceanic and Atmospheric Administration
Operator: Office of Marine and Aviation Operations (OMAO)
No. 1 Sand Island Road
Honolulu, HI 96819-2222
Telephone: 808-471-7836, 7837
Fax: 808-471-7838
Year Built: 1989
Ship URL: Link to Ship Home Page

Ship Schedule URL:

Ship Schedule via its Home Page

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Main Dimensions

  Length OA: 68.3  m
  Breadth: 13.1  m
  Freeboard to working deck: Unknown
  Max. draft: 4.6  m

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Main Vessel Activity

  Main Activity: Tropical Atmosphere-Ocean (TAO)
  Operating Area: Equatorial Pacific Ocean
  Navy Grids Supported: NP11, 12 and 13

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Capacities and Working Spaces

  Gross tonnage: 2014  GRT
  Dry cargo holds: Unknown
  Fuel: 439  m3
  Wet Labs Area: Unknown
  Dry Lab Area: Unknown
  Fresh Water
 Storage Capacity:
18  m3
  Fresh Water Generator Capacity: 11.355  m3/day
  Scientific Clean Water Generation: Distilling Plant
  Free Working Deck Area: Unknown
  Space for container lab: Unknown
  Radioactive Isotope Work Areas: Unknown

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Range, Speed and Endurance

  Range: 8000  nautical miles
  Cruising Speed: 10.5  kts.
  Max. Speed: Unknown
  Endurance: 30  days

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  Officers: 4
  Other crew: 13
  Scientists: 11
  Air Conditioned:  Yes

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Data Processing Equipment:

  Computers: Unknown
  Printing/Plotting: Unknown

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CTD Specifications:

  CTD Aboard: CTD System
  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: yes

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Engineering Design Particulars


Ice Breaking Ability:


Hull Materials:

Welded steel/ice strengthened
  Dynamic Positioning Ability: Unknown
  Engines: Main engine(s): number:  2   make:  Diesel El
Power (BHP) each engine:  1600 SHP
Propeller Diameter:  2.44   m Max. RPM:   Unknown

Total power auxiliary diesels:  Unknown
  Electrical Systems:  


 Voltages: 120/240/450V
     kVA: 200
    Phases: 1/3


60/60  Hz

Stabilized System:   VAC  Unknown  AMPs    Hz



  Unknown   Volts with  Unknown  Volts Max


Fixed Equipment

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Navigation and Communication:

  Navigational Equipment: X-Band and S-Band Radar with ARPA Display Loran, Navigation Fathometer, VHF Radio Direction Finder, Doppler Speed log, Gyrocompass: Sperry MK 227, POS-MV, GPS
  Communications Equipment: VHF/HF/FM Marine Band, Radio Teletype capability, Weather Fax, NAVTEX, Emergency position Indicator Radio Beacons, Serarch and Rescue Transponders, Cell Phone, Iridium phone, Portable VHF-FM Transceiver, E-mail,
  Satellite Communications Equipment: INMARSAT Standard B and C Radio Transceivers
  GPS: Ashtech 3DF Attitude and Position Determing GPS Receiver

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Acoustics and Profiling:

  Echosounders: Deep and Shallow Water Echo Sounder, Hull-mounted Acoustic Release Transducer
  Sonar Type: Unknown
  Sea Surface Mapping System: Unknown
  Side Scanning: Unknown
  Multibeam: Unknown
  Acoustic Doppler Current Profiler: yes
  Silent Ship Operations: Unknown

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  Winches: Unknown  
    Steel Wire Length: Unknown  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: Aft working deck and midships

Clearance above deck:  Unknown  and outboard extension:  10  m


Safe working load at maximum reach:  2  tons

  Other:   (2) Brailing Winch, CTD Winch

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Vessel Construction and Maintenance Supervision

  Construction Supervised by: Halter Marine, Inc., Moss Point, Mississippi, USA
  Classification Society: Unknown
  Others, Specify: IMO# 008835231
OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Earth, Ocean, and Environment
Lewes, Delaware  19958
Phone:  (302) 645-4225