Sōryū class submarine

Class overview
Name:	Sōryū
Builders:	Mitsubishi Heavy Industries; Kawasaki Shipbuilding Corporation
Operators:	Japan Maritime Self-Defense Force
Preceded by:	Oyashio-class submarine
Built:	2005–
In commission:	(2009)–
Building:	2
Planned:	2
Completed:	3
Active:	3
General characteristics
Type:	Submarine
Displacement:	Surfaced: 2,900 tonnes (2,854 long tons); Submerged: 4,200 t (4,134 long tons)
Length:	84.0 m (275 ft 7 in)
Beam:	9.1 m (29 ft 10 in)
Draught:	8.5 m (27 ft 11 in)
Propulsion:	1-shaft 2× Kawasaki 12Ｖ 25/25 SB-type diesel engines diesel-electric; 4× Kawasaki Kockums V4-275R Stirling engines; 3,900 hp (2,900 kW) surfaced; 8,000 hp (6,000 kW) submerged
Speed:	Surfaced: 13 kn (24 km/h; 15 mph); Submerged: 20 kn (37 km/h; 23 mph)
Range:	6100 nautical miles (11297.2 km; 7060.75 miles) at 6.5 knots (12 km/h; 7.48 mp/h) (est.)
Test depth:	900’, 1000’ crush
Complement:	65 (9 officers, 56 enlisted)
Sensors and; processing systems:	ZPS-6F surface/low-level air search radar; Hughes/Oki ZQQ-7 Sonar suite: 1× bow-array, 4× LF flank arrays and 1× Towed array sonar
Electronic warfare; and decoys:	ZLR-3-6 ESM equipment; 2× 3-inch underwater countermeasure launcher tubes for launching of Acoustic Device Countermeasures (ADCs)
Armament:	6×HU-606 21 in (533 mm) torpedo tubes with 30 reloads for:; 1.) Type 89 torpedoes; 2.) UGM-84 Harpoon; Mines

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The Sōryū class submarine or 16SS is a new class of diesel-electric submarine being built in Japan for use by the Japan Maritime Self-Defense Force. It is an evolved form of the Oyashio class submarine, currently the latest type of conventionally-powered submarine operated by the JMSDF, and it will have a larger displacement than any previous class of submarine used by post war Japan. It can be best visually distinguished from the Oyashio class by the X-shape of the tail planes.

The class will also have an Stirling AIP engine (four 4V-275R Mk-III, power output each 75kW) licensed built by Kawasaki Heavy Industries system, allowing it to stay submerged for longer periods of time.^[1]

[edit] Naming convention

Prior to SS Soryu, the submarines built for the JMSDF were named after the names of ocean currents. The JMSDF changed its naming convention^[2] and list of legendary auspicious animals will be used for following submarines. Sōryū (そうりゅう) literally means blue dragon in Japanese. She is named after the World War II carrier of the same name, which was sunk during the Battle of Midway.

[edit] Boats

Project no.	Building no.	Pennant no.	Name/Namesake	Laid down	Launched	Commissioned	Home port
S131	8116	SS-501	Sōryū (そうりゅう^?) / Blue Dragon	31 March 2005	5 December 2007	30 March 2009	Kure
S131^[3]	8117	SS-502	Unryū (うんりゅう^?) / Cloud Dragon	31 March 2006	15 October 2008	25 March 2010^[4]	Kure
	8118	SS-503	Hakuryū (はくりゅう^?) / White Dragon	6 February 2007	16 October 2009	14 March 2011	Kure
	8119	SS-504	Kenryū (けんりゅう^?) / Sword Dragon	31 March 2008	15 November 2010	(March 2012)	?
	8120	SS-505	Zuiryū (ずいりゅう^?) / Auspicious Dragon	16 March 2009	20 October 2011	(March 2013)	?
	8122	SS-506	?	(2011)	(2013)	(March 2015)	?
S131^[3]^[5]	8123	SS-507	?	(2012)	(2014)	(March 2016)	?

[edit] References

^ "First Improved Oyashio-class boat takes to the water". Jane's Information Group. 2007-12-06. http://www.janes.com/news/defence/naval/jni/jni071206_1_n.shtml. Retrieved 2007-12-09.
^ 海上自衛隊訓令第３０号, Japan Maritime Self Defense Force
^ ^a ^b They are equipped with a new sonar ZQQ-7B.
^ "Submarine Unryu Delivered". Kawasaki Heavy Industries, Ltd. 2010-03-25. http://www.khi.co.jp/ba/2010data/ba_c3100325_1.html. Retrieved 2010-02-14. ^{[dead link]}
^ She is equipped with a new satellite communication device.

[edit] External links

This article about a specific military ship or boat of Japan is a stub. You can help Wikipedia by expanding it.

[0] "First Improved Oyashio-class boat takes to the water". Jane's Information Group. 2007-12-06. http://www.janes.com/news/defence/naval/jni/jni071206_1_n.shtml. Retrieved 2007-12-09.

[1] 海上自衛隊訓令第３０号, Japan Maritime Self Defense Force

[ZQQ-7B-2] They are equipped with a new sonar ZQQ-7B.

[3] "Submarine Unryu Delivered". Kawasaki Heavy Industries, Ltd. 2010-03-25. http://www.khi.co.jp/ba/2010data/ba_c3100325_1.html. Retrieved 2010-02-14. ^{[dead link]}

[4] She is equipped with a new satellite communication device.

[1]

[2]

[3]

[4]

[5]

Sōryū class submarine

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[edit] Naming convention

[edit] Boats

[edit] References

[edit] External links

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Class overview

Name:	Sōryū
Builders:	Mitsubishi Heavy Industries Kawasaki Shipbuilding Corporation
Operators:	Japan Maritime Self-Defense Force
Preceded by:	Oyashio-class submarine
Built:	2005–
In commission:	(2009)–
Building:	2
Planned:	2
Completed:	3
Active:	3
General characteristics
Type:	Submarine
Displacement:	Surfaced: 2,900 tonnes (2,854 long tons) Submerged: 4,200 t (4,134 long tons)
Length:	84.0 m (275 ft 7 in)
Beam:	9.1 m (29 ft 10 in)
Draught:	8.5 m (27 ft 11 in)
Propulsion:	1-shaft 2× Kawasaki 12Ｖ 25/25 SB-type diesel engines diesel-electric 4× Kawasaki Kockums V4-275R Stirling engines 3,900 hp (2,900 kW) surfaced 8,000 hp (6,000 kW) submerged
Speed:	Surfaced: 13 kn (24 km/h; 15 mph) Submerged: 20 kn (37 km/h; 23 mph)
Range:	6100 nautical miles (11297.2 km; 7060.75 miles) at 6.5 knots (12 km/h; 7.48 mp/h) (est.)
Test depth:	900’, 1000’ crush
Complement:	65 (9 officers, 56 enlisted)
Sensors and processing systems:	ZPS-6F surface/low-level air search radar Hughes/Oki ZQQ-7 Sonar suite: 1× bow-array, 4× LF flank arrays and 1× Towed array sonar
Electronic warfare and decoys:	ZLR-3-6 ESM equipment 2× 3-inch underwater countermeasure launcher tubes for launching of Acoustic Device Countermeasures (ADCs)
Armament:	6×HU-606 21 in (533 mm) torpedo tubes with 30 reloads for: 1.) Type 89 torpedoes 2.) UGM-84 Harpoon Mines