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Vessel Data and Contact Information for the

Last Updated - 7/23/2008
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: NEPP
Owner: US Coast Guard
Operator: U.S. Coast Guard
Contact: LT Silas Ayers
Address: U.S. Coast Guard
1519 Alaskan Way South
Seattle, WA 98134 USA
Telephone: 206-217-6300
Year Built: 1999
Ship URL: Link to Ship Home Page

Ship Schedule URL:


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Main Dimensions

  Length OA: 128  m
  Breadth: 25  m
  Freeboard to working deck: 4  m
  Max. draft: 9.4  m

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Main Vessel Activity

  Main Activity: research support in Polar regions, including logistics, search and rescue, ship escort and more
  Operating Area: Polar Regions
  Navy Grids Supported:

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Capacities and Working Spaces

  Gross tonnage: 16000  GRT
  Dry cargo holds: 567  m3
  Fuel: 4621  m3
  Wet Labs Area: 36  m2
  Dry Lab Area: 14.2  m2
  Fresh Water
 Storage Capacity:
  Fresh Water Generator Capacity: 600  m3/day
  Scientific Clean Water Generation: Unknown
  Free Working Deck Area: 1933  m2
  Space for container lab: 10  m
  Radioactive Isotope Work Areas: Unknown

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Range, Speed and Endurance

  Range: 16000  nautical miles
  Cruising Speed: 12.5  kts.
  Max. Speed: 17  kts.
  Endurance: Unknown

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  Officers: 12
  Other crew: 63
  Scientists: 50
  Air Conditioned:  Yes

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Data Processing Equipment:

  Computers: Sun, Mac, PC 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: yes
  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: None
  AUVs: Unknown
  Submersibles: Unknown

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Diving Support:

  Diving Capabilities: Dive Locker & Portable Recompression Chamber

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Engineering Design Particulars


Ice Breaking Ability:

1.4m@ 3 knots and 2.44m backing and Ramming

Hull Materials:

  Dynamic Positioning Ability: Unknown
  Engines: Main engine(s): number:  4   make:  Sultzer 12Z AU40S
Power (BHP) each engine:  15000 at 130rpm
Propeller Diameter:  4.87   m Max. RPM:   147
Total power auxiliary diesels:  Unknown
  Electrical Systems:  


 Voltages: 0 / 450V /0V
     kVA: Unknown
    Phases: 3


60  Hz

Stabilized System:   VAC   AMPs    Hz



  Unknown   Volts with  Unknown  Volts Max


Fixed Equipment

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Navigation and Communication:

  Navigational Equipment: Radar, Gyro, GPS, DopLog
  Communications Equipment: Fax, SatCom, HF
  Satellite Communications Equipment: Unknown
  GPS: Unknown

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Acoustics and Profiling:

  Echosounders: 12kHz 3.5kHz
  Sonar Type: Unknown
  Sea Surface Mapping System: Unknown
  Side Scanning: Unknown
  Multibeam: Kongsberg EM-122 @ 12kHz w/ 150deg swath
  Acoustic Doppler Current Profiler: yes
  Silent Ship Operations: Yes

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  Winches: 2  
    Steel Wire Length: 10000  m,  safe working load:  3.7  tons
    Conducting Cable Length:  Unknown , safe working load:  Unknown
    Trawl winch length:  14000  m , safe working load:  8.1  tons
    Other Winches:
      Length:  Unknown , safe working load:  Unknown
  Gantry: Position: Midships

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


Safe working load at maximum reach:  3  tons

  Crane: Position: 5, 100% of Working Deck

Clearance above deck:  Unknown  and outboard extension:  Unknown


Safe working load at maximum reach:  5  tons

  Other:   (2) Doulbe drum Trawl

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Vessel Construction and Maintenance Supervision

  Construction Supervised by: Litton-Avondale Industries, Inc
  Classification Society: Unknown
  Others, Specify: IMO# 009083380
OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Earth, Ocean, and Environment
Lewes, Delaware  19958
Phone:  (302) 645-4225