| Class overview | |
|---|---|
| Builders: | Mitsubishi Heavy Industries, Kawasaki Shipbuilding Corporation |
| Operators: | Japan |
| Preceded by: | Uzushio-class submarine |
| Succeeded by: | Harushio-class submarine |
| Built: | 1976–1989 |
| In commission: | 1980–2008 |
| Planned: | 10 |
| Completed: | 10 |
| Retired: | 10 |
| General characteristics | |
| Type: | Submarine |
| Displacement: |
SS-573 to SS-575 SS-576
SS-577 to SS-582
|
| Length: | 76.0 m |
| Beam: | 9.9 m |
| Draught: | 7.4 m |
| Propulsion: | 1-shaft diesel-electric 3,400 SHP (surfaced) 7,200 SHP (submerged) |
| Speed: | 12 knots (surfaced) 20 knots (submerged) |
| Complement: |
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| Sensors and processing systems: |
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| Armament: | 6× 21 in (533 mm) torpedo tubes with reloads for: 1.) Type 89 torpedo 2.) Type 80 ASW Torpedo 3.) UGM-84 Harpoon |
The Yūshio was a Japanese diesel-electric submarine class operated by the JMSDF. It was a second generation submarine, a development of the Uzushio class submarine, incorporating a teardrop hull, with a resulting increase in underwater performance on the Uzushio class submarine. Ten were built under the fourth defense plan in 1975 fiscal year. A training submarine, Yukishio, was retired on March 7, 2008. All warships were retired on the completion of the Harushio class submarine.
| Project no. | Building no. | Pennant no. | Name | Laid down | Launched | Commissioned | Note |
|---|---|---|---|---|---|---|---|
| S122 | 8088 | SS-573/ ATSS-8006 |
Yūshio (ゆうしお) | 3 December 1976 | 29 March 1979 | 26 February 1980 | Converted to auxiliary training submarine (ATSS-8006) on 1 August 1996, decommissioned 11 March 1999, scrapped |
| 8089 | SS-574/ ATSS-8007 |
Mochishio (もちしお) | 9 May 1978 | 12 March 1980 | 5 March 1981 | Converted to auxiliary training submarine (ATSS-8007) on 1 August 1997, decommissioned 10 March 2000, scrapped | |
| 8090 | SS-575/ ATSS-8008/ TSS-3602 |
Setoshio (せとしお) | 17 April 1979 | 10 February 1981 | 17 March 1982 | Converted to auxiliary training submarine (ATSS-8008) on 10 March 1999, re-converted to training submarine (TSS-3602) on 9 March 2000, decommissioned 30 March 2001, scrapped | |
| 8091 | SS-576/ TSS-3603 |
Okishio (おきしお) | 17 April 1980 | 5 March 1982 | 1 March 1983 | Converted to training submarine (TSS-3603) on 29 March 2001, decommissioned 4 March 2003, scrapped | |
| S123 | 8092 | SS-577 | Nadashio (なだしお) | 16 April 1981 | 27 January 1983 | 6 March 1984 | Decommissioned 1 June 2001, scrapped |
| 8093 | SS-578/ TSS-3604 |
Hamashio (はましお) | 8 April 1982 | 1 February 1984 | 5 March 1985 | Converted to training submarine (TSS-3604) on 9 March 2000, decommissioned 9 March 2006, scrapped | |
| 8094 | SS-579 | Akishio (あきしお) | 15 April 1983 | 21 January 1985 | 5 March 1986 | Decommissioned 3 March 2004, displaying at JMSDF Kure Museum from 5 April 2007 | |
| 8095 | SS-580 | Takeshio (たけしお) | 3 April 1984 | 9 February 1986 | 3 March 1987 | Decommissioned 9 March 2005, scrapped | |
| 8096 | SS-581/ TSS-3605 |
Yukishio (ゆきしお) | 11 April 1985 | 23 January 1987 | 11 March 1988 | Converted to training submarine (TSS-3605) on 9 March 2006, decommissioned 7 March 2008, scrapped | |
| 8097 | SS-582 | Sachishio (さちしお) | 11 April 1986 | 17 February 1988 | 24 March 1989 | Decommissioned 14 April 2006, scrapped |
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