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Ship Name: Yoko-Maru (Japan) US NODC Code: 49YK Ministry of Agriculture, Forestry and Fisheries
Contact: Dir. Research Planning Division
Operator: Seikai National Fisheries Research Laboratory
49 Kokubu-Machi
Nagasaki-Shi 850 Japan
Phone: 958 22-8158
Fax: 21-4494
Cable:
Email:
Length (M): 49.00 Range (n. mi.): 6700 Crew: 17
Beam (M): 9.20
Endurance (days): 30 Officers: 9
Draft (M): 4.35 Cruise speed (kt): 12.0 Scientists: 6
Gross Tons: 500 Max. speed (kt): 14.1 Air Cond.: yes
Power (HP): 1600 Aux. Power (HP): 270
Main vessel activity
Oceanography Fisheries Hydrography
Year built: 79
Ocean area where vessel operates: Yellow Sea; East China Sea
Capacities and working spaces
Dry cargo holds: 0m3
Fuel: 157m3
Fresh water: 108m3
Wet laboratories (total area): 14m2
Dry laboratories (total area): 14m2
Fresh water generator capacity: 5m3
Freeboard to working deck: 0.0m
Free working deck area: 0m2
Space for container laboratory: 0m x 0m
Design Particulars
Hull materials: Steel
Energy sources
Main engine(s): number: 1 make: Diesel model:
Power (BHP) each main engine: 1600 at 720rpm
Diameter and max. rpm propeller: 2.700m 233rpm
Total power auxiliary diesels: 270HP
Electrical systems
AC Voltage: 0/ 450V, total 300kVA, 3phase, 60Hz
AC Voltage: 0/ 450V, total 225kVA, 3phase, 60Hz
DC Voltage: 24V, total 15V
Stabilized system for scientific equipment: 100VAC 50AMP 60Hz
Fixed equipment
Navigation and communication
Nav. equip: Radar Loran SatNav Gyro DopLog
Comms: Fax
Comm sat:
GPS:
Acoustic
Echosounders for scientific research: 50kHz 200kHz
Sonar: Sector-scan
Provisions for silent ship operation: Silent Ship
Oceanographic
Oceanographic winches: number: 3
Steel wire length: 5000m, safe working load: 0tons
Conducting cable length: 1500m, safe working load: 0tons
Trawl winch length: 1500m, safe working load: 2tons
Other, specify:
length: 2000m, safe working load: 0tons
Gantry
Position:
Clearance above deck: 0m and outboard extension: 0m
Safe working load at max. reach: 0tons
Crane
Position:
Clearance above deck: 0m and outboard extension: 0m
Safe working load at max. reach: 0tons
Other winches for instruments or sampling: Larvae Sampling Winch,1500 M.
Electronic data processing equipment permanently available on board
Computer: NEC 9801:
Vessel construction and maintenance supervision
Construction supervised by:
Classification Society:
Others, specify: MINISTRY OF TRANSPORT
Published vessel data
Magazine: Yoko-Maru Chosa Kenkyu Houkoku Issue: 14 Date: 01-dec-1991
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