Oyashio-class submarine

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The SS590 Oyashio
Class overview
Name: Oyashio (おやしお, Oyashio Current)
Builders: Kawasaki Shipbuilding Corporation
Mitsubishi Heavy Industries
Operators: Japan Maritime Self-Defense Force
Preceded by: Harushio-class submarine
Succeeded by: Sōryū-class submarine
Built: 1994–2008
In commission: 1998–
Planned: 11
Completed: 11
Active: 11
General characteristics
Type: Submarine
Displacement: 2,750 tonnes (surfaced)
4,000 tonnes (submerged)
Length: 81.7 m (268 ftin)
Beam: 8.9 m (29 ftin)
Draught: 7.4 m (24 ftin)
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 (surfaced)
20 knots (submerged)
Complement: 70 (10 officers)
Sensors and
processing systems:
Sonar: Hughes/Oki ZQQ-6 hull-mounted sonar, flank arrays, 1 towed array
Radar: JRC ZPS 6 I-band search radar.
Armament: 6 × HU-605 21 in (533 mm) torpedo tubes with 20 reloads for:
1.) Type 89 torpedoes
2.) 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 provide space for a flank sonar array.

Boats[edit]

There are a total of 11 boats in the class - the last boat was commissioned in 2008. Oyashio, Michishio, and Kuroshio share their names with WWII destroyers Takashio shares a name with a third set of Yugumo class destroyers, of which none were built.

Project no. Building no. Pennant no. Name Laid down Launched Commissioned Shipyard
S130 8105 SS-590 Oyashio (おやしお?) 26 January 1994 15 October 1996 16 March 1998 Kawasaki, Kobe[1]
8106 SS-591 Michishio (みちしお?) 16 February 1995 18 September 1997 10 March 1999 Mitsubishi, Kobe
8107 SS-592 Uzushio (うずしお?) 6 March 1996 26 November 1998 9 March 2000 Kawasaki, Kobe
8108 SS-593 Makishio (まきしお?) 26 March 1997 22 September 1999 29 March 2001 Mitsubishi, Kobe
8109 SS-594 Isoshio (いそしお?) 9 March 1998 27 November 2000 14 March 2002 Kawasaki, Kobe
8110 SS-595 Narushio (なるしお?) 2 April 1999 4 October 2001 3 March 2003 Mitsubishi, Kobe
8111 SS-596 Kuroshio (くろしお?) 27 March 2000 23 October 2002 8 March 2004 Kawasaki, Kobe
8112 SS-597 Takashio (たかしお?) 30 January 2001 1 October 2003 9 March 2005 Mitsubishi, Kobe
8113 SS-598 Yaeshio (やえしお?) 15 January 2002 4 November 2004 9 March 2006 Kawasaki, Kobe
8114 SS-599 Setoshio (せとしお?) 23 January 2003 5 October 2005 28 February 2007 Mitsubishi, Kobe
8115 SS-600 Mochishio (もちしお?) 23 February 2004 6 November 2006 6 March 2008 Kawasaki, Kobe

Pictures[edit]

References[edit]

  1. ^ Saunders, Stephen (2004). Jane's Fighting Ships 2004-2005. Jane's Information Group. p. 384. ISBN 0-7106-2623-1. 

External links[edit]