JDS Isoshio (SS-568)

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History
Naval Ensign of Japan.svgJapan
Name
  • Isoshio
  • (いそしお)
Ordered1969
Builder Kawasaki, Kobe
Laid down9 July 1970
Launched18 March 1972
Commissioned25 November 1972
Decommissioned25 March 1992
ReclassifiedATSS-8001
Homeport Kure
Identification Pennant number: SS-568
FateSunk as target, August 1994
General characteristics
Class and type Uzushio-class submarine
Displacement1,850 tonne (1,821 ton) standard, 3,600 tonne (3,543 ton) submerged
Length72.0 m (236.2 ft)
Beam9.9 m (32 ft)
Draught7.5 m (25 ft)
Depth10.1 m (33 ft)
Propulsion
  • 1-shaft diesel-electric
  • 2 × Kawasaki-MAN V8V24/30AMTL diesel
  • 3,400 bhp (2,500 kW) (surfaced)
  • 7,200 shp (5,400 kW) (submerged)
Speed
  • 12 knots (22 km/h) surfaced
  • 20 knots (37 km/h) submerged
Range5,500 nautical miles (10,200 km; 6,300 mi) at 12 knots
Complement80
Sensors and
processing systems
  • ZPS-4 surface search radar
  • ZQQ-2 passive sonar
  • SQS-4 active sonar
Electronic warfare
& decoys		ZLA-5 ESM
Armament
  • 6 × 533 mm (21 in) Bow torpedo tubes
  • 12 × type 72 torpedo
  • 6–8 × Mk 37 torpedo

JDS Isoshio (SS-568) was the third boat of theUzushio-class submarines. She was commissioned on 25 November 1972. [1] [2]

Construction and career

Isoshio was laid down at Kawasaki Heavy Industries Kobe Shipyard on 9 July 1970 and launched on 18 March 1972. She was commissioned on 25 November 1972, into the 1st Submarine Group.

On 28 September 1973, she was transferred to the 5th Submarine, which was newly commissioned under the 1st Submarine Group, along with JDS Narushio, who was commissioned on the same day.

Participated in Hawaii dispatch training from October 9 to December 22, 1975 .

On March 24, 1989, she was reclassified as the first training and experimental submarine of the Maritime Self-Defense Force, the ship registration number was changed to ATSS-8001, and it became a ship under the direct control of the 1st submarine group. After the type change, she was slightly modified and used for education and training and experiments on various equipment.

She was decommissioned on 25 March 1992. [3]

In early August 1994, she was used as a target for the new anti-submarine torpedo G-RX4 under development by the Technical Research and Development Institute off the coast of Izu Ōshima. In addition, in order to carry out the test in a submerged state, which is the first attempt by the Maritime Self-Defense Force, a remodeling work was carried out to install a float structure on the hull. [4]

Citations

  1. ↑ Takao, Ishibashi (2002). 海上自衛隊全艦船 1952-2002. Japan: 並木書房.
  2. ↑ 世界の艦船 増刊第665集 海上自衛隊潜水艦史. Japan: 海人社. 2006.
  3. ↑ 世界の艦船 増刊第66集 海上自衛隊全艦艇史. Japan: 海人社. 2004.
  4. ↑ ニュース・フラッシュ, 世界の艦船. Vol. 487. Japan: 海人社. October 1994. p. 123.

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