Vessel and Contact Information
Alpha Helix (USA)
Call Sign:
US NODC Code: 31HX
Owner: National Science Foundation (NSF)
- Operator: University of Alaska, Fairbanks
- Contact: Mr. Tom Smith
Seward Marine Center
PO BOX 730
Seward, AK 99664 USA
Telephone No.: 907 224-5261
Cable address:
Telefax No.: 224-3392
Email: fnts@aurora.alaska.edu
Year built: 66
Main vessel activity
- Oceanography
Ocean area where vessel operates: Alaska Gulf; Bering Sea; Pacific, Northeast
Main dimensions
- Length OA: 41.00m
Breadth: 9.44m
Freeboard to working deck: 0.0m
Max. draft: 4.20m
Capacities and working spaces
- Gross tonnage: 289GRT
Dry cargo holds: 184m3
Fuel: 104m3
Fresh water: 25m3
Wet laboratories (total area): 7m2
Dry laboratories (total area): 42m2
Fresh water generator capacity: 1m3
Free working deck area: 119m2
Space for container laboratory: 3m x 6m
Range, speed and endurance
- Range: 6500n. mi.
Cruising speed: 9.5kts.
Max. speed: 10.5kts.
Endurance: 30days
Accommodation
- Officers: 2
Other crew: 9
Scientists: 15
Airconditioned: no
Design Particulars
Hull materials:
- Steel
Energy sources
- Main engine(s): number: 1 make: Diesel model:
Power (BHP) each main engine: 825at 780rpm
Diameter and max. rpm propeller: 2.710m 320rpm
Total power auxiliary diesels: 480HP
Electrical systems
AC Voltage: 0
/ 440V, total 100kVA, 3phase, 60Hz
AC Voltage:
/ 440V, total 100kVA, 3phase, 60Hz
DC Voltage: 0V, total 0V
Stabilized system for scientific equipment:
0VAC 0AMP 0Hz
Fixed equipment
Navigation and communication
- Nav. equip: Radar Loran SatNav Gyro DopLog
Comms: SatCom
Comm sat:
GPS:
Acoustic
- Echosounders for scientific research: 12kHz
Sonar:
Provisions for silent ship operation:
Oceanographic
- Oceanographic winches: number: 2
- Steel wire length: 0m, safe working load: 0tons
Conducting cable length: 8000m, safe working load: 1tons
Other, specify: Ctd Wire Cable length: 2000m safe working load: 0tons
Winch for bottom sampling, wire length: 0m, safe working load: 0tons
- Gantry
- Position: Stern
Clearance above deck: 5m and outboard extension: 2m
Safe working load at max. reach: 1tons
-
Crane
- Position: Midships
Clearance above deck: 9m and outboard extension: 6m
Safe working load at max. reach: 1tons
Other winches for instruments or sampling:
Electronic data processing equipment permanently available on board
- Computer: VARIOUS IBM PC-386: :
Vessel construction and maintenance supervision
-
Construction supervised by:
-
Classification Society: ABS
Others, specify:
Published vessel data
- Magazine: