JS Seiryū
History
Japan
Name
  • Seiryū
  • (せいりゅう)
NamesakeSeiryū
Ordered2013
BuilderMitsubishi Heavy Industries
Cost¥64.3 billion
Laid down22 October 2013
Launched12 October 2016
Commissioned12 March 2018
HomeportYokosuka
IdentificationSS-509
StatusActive
General characteristics
Class and typeSōryū-class attack submarine
Displacement
  • Surfaced: 2,900 tonnes (2,854 long tons)
  • Submerged: 4,200 t (4,134 long tons)
Length84.0 m (275 ft 7 in)
Beam9.1 m (29 ft 10 in)
Draught8.5 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)[1]
RangeAIP endurance (est.): 6,100 nautical miles (11,300 km; 7,000 mi) at 6.5 knots (12.0 km/h; 7.5 mph)[1]
Complement65 (9 officers, 56 enlisted)
Sensors and
processing systems
Electronic warfare
& decoys
Armament

JS Seiryū (SS-509) is the ninth boat of Sōryū-class submarines. She was commissioned on 12 March 2018.[2]

Construction and career

Seiryū was laid down at Mitsubishi Heavy Industries Kobe Shipyard on October 22, 2013, as the 2013 plan 2900-ton submarine No. 8124 based on the medium-term defense capability development plan. At the launching ceremony, it was named Seiryū and launched on 12 October 2016. She was commissioned on 12 March 2018 and deployed to Yokosuka, which became her homeport.[3]

Citations

  1. 1 2 Pike, John. "SS-501 Soryu / 16SS / SS 2,900 ton Class". www.globalsecurity.org. Archived from the original on 5 March 2016. Retrieved 11 July 2012.
  2. ↑ "Soryu class submarine SS 501 japan maritime self defense force jmsdf". www.seaforces.org. Retrieved 30 October 2020.
  3. ↑ 日本テレビ. "潜航中に充電！最新潜水艦「ずいりゅう」｜日テレNEWS24". 日テレNEWS24 (in Japanese). Retrieved 30 October 2020.

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