Submarines in this class:
Name / Commissioned / Status:
IJN Oyashio (おやしお) SS590 26/01/1994 / active training 06/03/2015
IJN Michishio (みちしお) SS591 16/02/1995 / active training 27/02/2017
IJN Uzushio (うずしお) SS592 06/03/1996 / active
IJN Makishio (まきしお) SS593 26/03/1997 / active
IJN Isoshio (いそしお) SS594 09/031998 / active
IJN Narushio (なるしお) SS595 02 /04/1999 / active
IJN Kuroshio (くろしお) SS596 27/03/2000 / active
IJN Takashio (たかしお) SS597 30/01/2001 / active
IJN Yaeshio (やえしお) SS598 15/01/2002 / active
IJN Setoshio (せとしお) SS599 23/01/2003 / active
IJN Mochishio (もちしお) SS600 23/02/2004 / active
Class overview:
Builders: Kawasaki Shipbuilding Corporation / Mitsubishi Heavy Industries
Operators: Japan Maritime Self-Defense Force
Preceded by: Harushio class
Succeeded by: Sōryū class
Built: 1994–2008
In commission: 1998–
Planned: 11
Completed: 11
Active: 9 + 2 converted to training submarines
General characteristics:
Type: Diesel electric attack submarine
Displacement:
2,750 tonnes (surfaced)
4,000 tonnes (submerged)
Length: 81.7 m
Beam: 8.9 m
Draught: 7.4 m
Propulsion:
Diesel-electric
2 x Kawasaki 12V25S diesel engines
2 x Kawasaki alternators
2 x Toshiba motors
3,400 hp (2,500 kws) surfaced
7,750 hp (5,780 kws) submerged
Speed:
12 knots (22 km/h; 14 mph) (surfaced)
20 knots (37 km/h; 23 mph) (submerged)
Complement: 70 (10 officers)
Sensors and processing systems:
Sonar:
1 x Hughes/Oki ZQQ-6 hull-mounted sonar
Flank arrays port and starboard
1 x towed array
Radar:
1 x JRC ZPS 6 I-band search radar.
Armament:
6 × HU-605 21 in (533 mms) torpedo tubes with 20 x reloads for:
1. Type 89 torpedoes
2. UGM-84 Harpoon