Mochishio (SS 574), a Yūshio-class submarine enters San Diego Harbor in 1992 to take part in the RIMPAC 92' military exercise
Class overview
Builders	Mitsubishi Heavy Industries Kawasaki Shipbuilding Corporation
Operators	Japan Maritime Self-Defense Force
Preceded by	Uzushio class
Succeeded by	Harushio class
Built	1976–1989
In commission	1980–2008
Planned	10
Completed	10
Retired	10
Preserved	1
General characteristics
Type	Submarine
Displacement	SS-573 to SS-575 2,200 tonnes (surfaced) 2,450 tonnes (submerged) SS-576 2,300 tonnes (surfaced) SS-577 to SS-582 2,250 tonnes (surfaced)
Length	76.0 m (249.3 ft)
Beam	9.9 m (32.5 ft)
Draught	7.4 m (24.3 ft)
Propulsion	1-shaft diesel-electric 3,400 shp (2,500 kW) (surfaced) 7,200 shp (5,400 kW) (submerged)
Speed	12 knots (22 km/h; 14 mph) (surfaced) 20 knots (37 km/h; 23 mph) (submerged)
Complement	10 officers 65–70 enlisted
Sensors and processing systems	Sonar Hughes/Oki ZQQ 5 hull mounted sonar ZQR 1 towed array Radar JRC ZPS 5/6 I-band search radar.
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 class was a Japanese diesel-electric submarine class operated by the JMSDF. It was a second generation submarine, a development of the Uzushio class, incorporating a teardrop hull, with a resulting increase in underwater performance on the Uzushio class. Ten were built under the fourth defense plan in 1975 fiscal year. A training submarine, Yukishio, was retired on March 7, 2008. All vessels were retired on the completion of the Harushio class.

Boats

Gallery

• Akishio photographs
• 
  Akishio at JMSDF Kure Museum
• 
  Akishio at JMSDF Kure Museum
• 
  Passageway

References

• Jane's Fighting Ships 2005–2006