The data below is included for archival purposes. 

The most current data that we have is available via our new searchable
database of ships at:
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Koyo-Maru

Ship Name: Koyo-Maru (Japan)                           US NODC Code: 49CY           Ministry of Agriculture, Forestry and Fisheries

Contact: Captain Omura
Operator: Shimonoseki University of Fisheries (SUF)
         2-7-1 Nagata Honmachi
         PO BOX.3,YOSHIMI, YAMAGUCHI PREF.
         Shimonoseki 759-65  Japan
  Phone: 0832 86-5111
    Fax: 0832-86-2292
  Cable: SUF SHIMONOSEKI
  Email:

Length (M):  81.40       Range (n. mi.):      1200        Crew:           27
Beam (M):    13.00       Endurance (days):      45        Officers:       16
Draft (M):    6.03       Cruise speed (kt):   14.0        Scientists:
Gross Tons:   1990       Max. speed (kt):     15.7        Air Cond.:     yes
Power (HP):   3800       Aux. Power (HP):     1790

Main vessel activity
     Oceanography Fisheries
     Year built: 78
     Ocean area where vessel operates: Pacific Ocean; Indian Ocean; Atlantic Ocean
Capacities and working spaces
     Dry cargo holds:                     0m3
     Fuel:                              531m3
     Fresh water:                       377m3
     Wet laboratories (total area):      17m2
     Dry laboratories (total area):      17m2
     Fresh water generator capacity:     10m3
     Freeboard to working deck:         2.7m
     Free working deck area:              0m2
     Space for container laboratory:      3m x     6m
Design Particulars
     Hull materials: Steel
Energy sources
     Main engine(s): number:  1 make: Diesel    model:
     Power (BHP) each main engine:   3800 at    230rpm
     Diameter and max. rpm propeller:      3.200m       0rpm
     Total power auxiliary diesels:   1790HP
Electrical systems
     AC Voltage:    450/     0V, total   1490kVA,      3phase,     60Hz
     AC Voltage:      0/     0V, total      0kVA,      0phase,      0Hz
     DC Voltage:      0V, total      0V
     Stabilized system for scientific equipment:      0VAC      0AMP      0Hz
Fixed equipment
     Navigation and communication
     Nav. equip: Radar Loran Decca SatNav Gyro EMLog
     Comms: Fax SatCom
     Comm sat:
     GPS:
Acoustic
     Echosounders for scientific research:      0kHz
     Sonar:
     Provisions for silent ship operation:
Oceanographic
     Oceanographic winches:   number:  3
       Steel wire length:         6000m, safe working load:     17tons
       Conducting cable length:   5000m, safe working load:      0tons
       Trawl winch length:           0m, safe working load:      0tons
       Other, specify:
                   length:        2000m, safe working load:      0tons
     Gantry
       Position: Midships
       Clearance above deck:   3m and outboard extension:   1m
       Safe working load at max. reach:     4tons
     Crane
       Position:
       Clearance above deck:   0m and outboard extension:   0m
       Safe working load at max. reach:     0tons
     Other winches for instruments or sampling:

Electronic data processing equipment permanently available on board
     Computer: NEC  PC-9800:
Vessel construction and maintenance supervision
     Construction supervised by:
       Classification Society: NIPPON SENKYUKOKAI
       Others, specify:
Published vessel data
     Magazine: The Journal Of Fishing Boat          Issue:           218  Date: 01-dec-1978
               Assosciation