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Vessel Data and Contact Information for the
Alpha Helix

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: Unknown
Owner: National Science Foundation
Operator: University of Alaska, Fairbanks
Contact: Mr. Tom Smith
Address: University of Alaska, Fairbanks
Seward Marine Center PO Box 730
Seward, AK 99664 USA
Telephone: (907) 224-5261
Fax: (907) 224-3392
Year Built: 1966
Ship URL: Link to Ship Home Page

Ship Schedule URL:

Ship Schedule via its Home Page

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Main Dimensions

  Length OA: 41  m
  Breadth: 9.44  m
  Freeboard to working deck: Unknown
  Max. draft: 4.2  m

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Main Vessel Activity

  Main Activity: Oceanography
  Operating Area:
  Navy Grids Supported:

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Capacities and Working Spaces

  Gross tonnage: 289  GRT
  Dry cargo holds: 184  m3
  Fuel: 104  m3
  Wet Labs Area: 7  m2
  Dry Lab Area: 42  m2
  Fresh Water
 Storage Capacity:
  Fresh Water Generator Capacity: 1  m3/day
  Scientific Clean Water Generation: Unknown
  Free Working Deck Area: 119  m2
  Space for container lab: 3 x 6  m
  Radioactive Isotope Work Areas: Unknown

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Range, Speed and Endurance

  Range: 6500  nautical miles
  Cruising Speed: 9.5  kts.
  Max. Speed: 10.5  kts.
  Endurance: 30  days

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  Officers: 2
  Other crew: 9
  Scientists: 15
  Air Conditioned: Unknown

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Data Processing Equipment:

  Computers: Varoius IBM PC-386 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:  1   make:  Diesel
Power (BHP) each engine:  825 at 780rpm
Propeller Diameter:  2.71   m Max. RPM:   320
Total power auxiliary diesels:  480   HP
  Electrical Systems:  


 Voltages: 0/440V 440V
     kVA: 100
    Phases: 3


60  Hz

Stabilized System:  Unknown  VAC  Unknown  AMPs   Unknown  Hz



  Unknown   Volts with  Unknown  Volts Max


Fixed Equipment

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Navigation and Communication:

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

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Acoustics and Profiling:

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

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  Winches: 2  
    Steel Wire Length: Unknown  safe working load:  Unknown
    Conducting Cable Length:  8000  m , safe working load:  1  tons
    Trawl winch length:  Unknown , safe working load:  Unknown
    Other Winches:
      Length:  2000  m , safe working load:  Unknown
  Gantry: Position: Stern

Clearance above deck:  5  m , and outboard extension:  2  m


Safe working load at maximum reach:  1  tons

  Crane: Position: Midships

Clearance above deck:  9  m  and outboard extension:  6  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: 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