JS Seiryū (SS-509)

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

JS Seiryū
History
Japan
Name:
  • Seiryū
  • (せいりゅう)
Namesake: Seiryū
Ordered: 2013
Builder: Mitsubishi Heavy Industries
Cost: ¥64.3 billion
Laid down: 22 October 2013
Launched: 12 October 2016
Commissioned: 12 March 2018
Homeport: Yokosuka
Identification: SS-509
Status: Active
General characteristics
Class and type: Sōryū-class attack 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)[1]
Range: AIP endurance (est.): 6100 nautical miles (11297.2 km; 7060.75 miles) at 6.5 knots (12 km/h; 7.48 mp/h)[1]
Complement: 65 (9 officers, 56 enlisted)
Sensors and
processing systems:
Electronic warfare
& decoys:
  • ZLR-3-6 ESM equipment
  • 2× 3-inch underwater countermeasure launcher tubes for launching of Acoustic Device Countermeasures (ADCs)
Armament:

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.

Seiryū homeport is Yokosuka.[3]

  • JS Seiryū at Kobe on 23 October 2016.
  • JS Seiryū at Kobe on 23 October 2016.
  • JS Seiryū at Kobe on 23 October 2016.

Citations
  1. 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.

References
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