Oyashio class submarine

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The SS590 Oyashio
Class overview
Operators: Japan
Completed: 11
Active: 11
General characteristics
Type: Oyashio class submarine
Displacement: 2,750 tonnes (surfaced)
4,000 tonnes (submerged)
Length: 81.7 m
Beam: 8.9 m
Draught: 7.4 m
Propulsion: 1-shaft diesel-electric
Speed: 12 knots (surfaced)
20 knots (submerged)
Complement: 70 (10 officers)
Sensors and
processing systems:
Sonar: Hughes/Oki ZQQ 5B/6 hull-mounted sonar, flank arrays, 1 towed array.
Radar: JRC ZPS 6 I-band search radar.
Armament: 6 × 21 inch (533 mm) torpedo tubes for Type 89 torpedoes, or UGM-84 Harpoon

The Oyashio is a class of Japanese diesel-electric submarine operated by the JMSDF. The submarines entered service in the late 1990s. The submarines are larger than the earlier Harushio class submarines, to make room for a flank sonar array.

[edit] Boats

There is a total of 11 boats in the class - the last boat was commissioned in 2008.

Name Laid down Launched Commissioned
Oyashio (SS-590) 26 January 1994 15 October 1996 16 March 1998
Michishio (SS-591) 16 February 1995 18 September 1997 10 March 1999
Uzushio (SS-592) 6 March 1996 26 November 1998 9 March 2000
Makishio (SS-593) 26 March 1997 22 September 1999 29 March 2001
Isoshio (SS-594) 9 March 1998 27 November 2000 14 March 2002
Narushio (SS-595) 2 April 1999 4 October 2001 3 March 2003
Kuroshio (SS-596) 27 March 2000 23 October 2002 8 March 2004
Takashio (SS-597) 30 January 2001 1 October 2003 9 March 2005
Yaeshio (SS-598) 15 January 2002 4 November 2004 9 March 2006
Setoshio (SS-599) 23 January 2003 5 October 2005 28 February 2007
Mochishio (SS-600) 23 February 2004 6 November 2006 6 March 2008

[edit] External links