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:
http://oceanic.cms.udel.edu/ships/

Ryofu Maru

Ship Name: Ryofu Maru (Japan)                          US NODC Code: 49RY           Ministry of Transport

Contact: Mr. I. Eguchi
Operator: Japan Meteorological Agency
         1-3-4, Otemachi, Chiyoda-Ku
         Tokyo 100  Japan
  Phone: 03 32114966
    Fax: 32112031
  Cable: METOROAGENCY TOKYO
  Email:

Length (M):  79.20       Range (n. mi.):     15000        Crew:           23
Beam (M):    12.00       Endurance (days):      50        Officers:       11
Draft (M):    4.35       Cruise speed (kt):   13.0        Scientists:     15
Gross Tons:   1599       Max. speed (kt):     16.1        Air Cond.:      no
Power (HP):   3260       Aux. Power (HP):

Main vessel activity
     Oceanography Meteorological Research
     Year built: 66
     Ocean area where vessel operates: Pacific, Northwest
Capacities and working spaces
     Dry cargo holds:                     0m3
     Fuel:                              371m3
     Fresh water:                       289m3
     Wet laboratories (total area):      75m2
     Dry laboratories (total area):      81m2
     Fresh water generator capacity:      4m3
     Freeboard to working deck:         2.2m
     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:   3260 at    367rpm
     Diameter and max. rpm propeller:      2.200m     367rpm
     Total power auxiliary diesels:      0HP
Electrical systems
     AC Voltage:      0/   440V, total    495kVA,      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 SatNav Gyro EMLog
     Comms: Fax
     Comm sat:
     GPS:
Acoustic
     Echosounders for scientific research:     12kHz
     Sonar:
     Provisions for silent ship operation:
Oceanographic
     Oceanographic winches:   number:  3
       Steel wire length:         2000m, safe working load:      0tons
       Conducting cable length:   6000m, safe working load:      1tons
       Trawl winch length:        8000m, safe working load:      2tons
       Other, specify: Steel Wire
                   length:        5000m, safe working load:      1tons
     Gantry
       Position:
       Clearance above deck:   0m and outboard extension:   0m
       Safe working load at max. reach:     0tons
     Crane
       Position: Stern
       Clearance above deck:   6m and outboard extension:   3m
       Safe working load at max. reach:     1tons
     Other winches for instruments or sampling:

Electronic data processing equipment permanently available on board
     Computer:
Vessel construction and maintenance supervision
     Construction supervised by:
       Classification Society:
       Others, specify:
Published vessel data
     Magazine: