JS Oyashio

JS Oyashio
History
Japan
Name
  • Oyashio
  • (おやしお)
NamesakeOyashio
Ordered1993
BuilderKawasaki, Kobe
Cost¥52.19 million
Laid down26 January 1994
Launched15 October 1996
Commissioned16 March 1998
Decommissioned17 March 2023
ReclassifiedTSS-3608, 6 March 2015
HomeportKure, Hiroshima
IdentificationPennant number: TSS-3608
StatusDecommissioned
General characteristics
Class & typeOyashio-class submarine
Displacement
Length81.7 m (268 ft 1 in)
Beam8.9 m (29 ft 2 in)
Draught7.4 m (24 ft 3 in)
Propulsion
  • Diesel-electric
  • 2 Kawasaki 12V25S diesel engines
  • 2 Kawasaki alternators
  • 2 Toshiba motors
  • 3,400 hp (2,500 kW) surfaced
  • 7,750 hp (5,780 kW) submerged
Speed
  • 12 knots (22 km/h; 14 mph) (surfaced)
  • 20 knots (37 km/h; 23 mph) (submerged)
Complement70 (10 officers)
Sensors &
processing systems
  • Sonar: Hughes/Oki ZQQ-6 hull-mounted sonar, flank arrays, 1 towed array
  • Radar: JRC ZPS 6 I-band search radar.
Armament

JS Oyashio (SS-590) was the lead boat of the Oyashio-class submarines. She was commissioned on 16 March 1998.