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Vessel Data and Contact Information for the
Maurice Ewing

Last Updated - 1/27/2005
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: WLDZ
Owner: National Science Foundation
Operator: Lamont-Doherty Earth Observatory
Contact: Paul Ljunggren
Address: Lamont-Doherty Earth Observatory
P.O. Box 1000/RT 9W
Palisades, NY 10964-8000 USA
Telephone: (845) 365-8845
Fax: (845) 359-6817
Year Built: 1983
Ship URL: Link to Ship Home Page

Ship Schedule URL:

Ship Schedule via its Home Page

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Main Dimensions

  Length OA: 70.2  m
  Breadth: 14.1  m
  Freeboard to working deck: 2.5  m
  Max. draft: 5.3  m

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Main Vessel Activity

  Main Activity: Oceanography
  Operating Area: Arctic and Antarctic Oceans
  Navy Grids Supported:

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Capacities and Working Spaces

  Gross tonnage: 1978  GRT
  Dry cargo holds: 465  m3
  Fuel: 604  m3
  Wet Labs Area: 65  m2
  Dry Lab Area: 208  m2
  Fresh Water
 Storage Capacity:
  Fresh Water Generator Capacity: Unknown
  Scientific Clean Water Generation: Unknown
  Free Working Deck Area: 30  m2
  Space for container lab: 3 x 6  m
  Radioactive Isotope Work Areas: Unknown

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Range, Speed and Endurance

  Range: 15000  nautical miles
  Cruising Speed: 11  kts.
  Max. Speed: 13.5  kts.
  Endurance: 50  days

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  Officers: Unknown
  Other crew: 22
  Scientists: 28
  Air Conditioned:  Yes

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Data Processing Equipment:

  Computers: SUN computer
  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:  4   make:  Diesel El
Power (BHP) each engine:  5200 at 1200rpm
Propeller Diameter:  Unknown
  m Max. RPM:   190
Total power auxiliary diesels:  Unknown
  Electrical Systems:  


 Voltages: 220/220V /440V
     kVA: Unknown
    Phases: 0/3


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: Radar Loran SatNav Gyro EmLog DopLog
  Communications Equipment: Fax SatCom
  Satellite Communications Equipment: Unknown
  GPS: Unknown

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Acoustics and Profiling:

  Echosounders: 3kHz 12kHz
  Sonar Type: Geological
  Sea Surface Mapping System: Unknown
  Side Scanning: Unknown
  Multibeam: Unknown
  Acoustic Doppler Current Profiler: Unknown
  Silent Ship Operations: Unknown

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  Winches: 4  
    Steel Wire Length: 6000  m,  safe working load:  10  tons
    Conducting Cable Length:  6000  m , safe working load:  10  tons
    Trawl winch length:  6000  m , safe working load:  6  tons
    Other Winches:
      Length:  6000  m , safe working load:  6  tons
  Gantry: Position: Stern, Midships

Clearance above deck:  7  m , and outboard extension:  3  m


Safe working load at maximum reach:  35  tons

  Crane: Position: Stern, Midships

Clearance above deck:  8  m  and outboard extension:  5  m


Safe working load at maximum reach:  4  tons

  Other:   Unknown

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Vessel Construction and Maintenance Supervision

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