Okishio 1990
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| ゆうしお [Yushio] | SS573, 8.1996- ATSS8006 | Mitsubishi, Kobe | 3.12.1976 | 29.3.1979 | 26.2.1980 | TS 8.1996, discarded 3.1999 | |
| もちしお [Mochishio] | SS574, 8.1997- ATSS8007 | Kawasaki, Kobe | 9.5.1978 | 12.3.1980 | 5.3.1981 | TS 8.1997, discarded 3.2000 | |
| せとしお [Setoshio] | SS575, 3.1999- ATSS8008, 3.2000- TSS3602 | Mitsubishi, Kobe | 17.4.1979 | 10.2.1981 | 17.3.1982 | TS 3.1999, discarded 3.2001 | |
| おきしお [Okishio] | SS576, 3.2001- TSS3603 | Kawasaki, Kobe | 17.4.1980 | 5.3.1982 | 1.3.1983 | TS 3.2001, discarded 3.2003 | |
| なだしお [Nadashio] | SS577 | Mitsubishi, Kobe | 16.4.1981 | 27.1.1983 | 6.3.1984 | discarded 6.2001 | |
| (はましお [Hamashio] | SS578, 3.2000- TSS3604 | Kawasaki, Kobe | 8.4.1982 | 1.2.1984 | 5.3.1985 | TS 3.2000, discarded 3.2006 | |
| あきしお [Akishio] | SS579 | Mitsubishi, Kobe | 15.4.1983 | 21.1.1985 | 5.3.1986 | discarded 3.2004, preserved | |
| たけしお [Takeshio] | SS580 | Kawasaki, Kobe | 3.4.1984 | 9.2.1986 | 3.3.1987 | discarded 3.2005 | |
| ゆきしお [Yukishio] | SS581, 3.2006- TSS3605 | Mitsubishi, Kobe | 11.4.1985 | 23.1.1987 | 11.3.1988 | TS 3.2006, discarded 3.2008 | |
| さちしお [Sachishio] | SS582 | Kawasaki, Kobe | 11.4.1986 | 17.2.1988 | 24.3.1989 | discarded 4.2006 |
|
Displacement standard, t |
|
|
Displacement normal, t |
SS573-576: 2200 / 2450 SS577-582: 2250 / 2500 |
|
Length, m |
76.2 |
|
Breadth, m |
9.90 |
|
Draught, m |
7.40 |
|
No of shafts |
1 |
|
Machinery |
2 Mitsubishi-MAN V8/V24-30 MATL diesel-generators, 2 Fuji Electric electric motors |
|
Power, h. p. |
3400 / 7220 |
|
Max speed, kts |
12 / 20 |
|
Fuel, t |
diesel oil 300 |
| Endurance, nm(kts) | 5500(12) / |
|
Armament |
573-576: 6 - 533 HU-602 TT (bow, 20) 577-582: 6 - 533 HU-602 TT (bow, 20, inc/ Sub-Harpoon SSM (4 UGM-84)) |
|
Electronic equipment |
573-577: ZPS-6 radar, ZQQ-3 sonar suite, ZLA-6 ECM suite, ZYQ-1 CCS 578: ZPS-6 radar, ZQQ-4, SQS-36(J) sonar suites, ZLA-6 ECM suite, ZYQ-1 CCS 579-582: ZPS-6 radar, ZQQ-4, SQS-36(J) sonar suites, ZLA-6 ECM suite, ZYQ-2 CCS |
|
Complement |
80 |
|
Diving depth operational, m |
573, 574: 300 575-582: 350 |
Project history: A development of the Uzushio class, with a deeper diving capability and improved electronics. Carried ZQQ-4 bow sonar, a modified version of BQS-4. Nadashio was the first unit to be fitted with ZQR-1 towed array sonar in 1987.
Modernizations: 1986, Mochishio; 1988, Okishio: - 6 - 533 HU-602 TT (bow, 20); + 6 - 533 HU-602 TT (bow, 20, inc/ Sub-Harpoon SSM (4 UGM-84))
1987-early 1990s, all: + ZQR-1 (BQR-15) towed sonar array
1996, Yushio; 1997, Mochishio; 1999, Setoshio; 2000, Hamashio; 2001, Okishio; 2006, Yukishio: as TS carried only 4 torpedoes, SQS-36(J) and ZQR-1 sonar arrays were removed, 60 crewmembers + 20 trainees.
Naval service: No significant events.
Yushio 1980
Sachishio 2003
© Ivan Gogin, 2017