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ukOyashio-class submarine
Basic information
Type:
Operators:
Japan Maritime Self-Defense ForceCountry of build:
Mitsubishi Heavy IndustriesPlanned:
11
Completed:
11
In service:
1998 – present (25 years)
Ship measurements
Displacement:
2,750 t
Submerged displacement:
4,000 t
Length:
81.7 m
Beam:
8.9 m
Machine
Propulsion:
- Diesel-electric
- 2 * Kawasaki 12V25S diesel engines
- 2 * Kawasaki alternators
- 2 * Toshiba motors
- 3,400 hp (2,500 kW) surfaced
- 7,750 hp (5,780 kW) submerged
Speed:
12 knots
Submerged speed:
20 knots
Personnel
Complement:
70
Combat assets
Electronics:
- Hughes/Oki ZQQ-6 hull-mounted sonar
- Flank arrays
- Towed array sonar
- JRC ZPS 6 I-band search radar
Armament:
6 * HU-605 21 in (533 mm) torpedo tubes with 20 reloads for:
- Type 89 torpedoes
- UGM-84 Harpoon
The Oyashio class is a series of Japanese diesel-electric attack submarines operated by the JMSDF. The submarines entered service in the late 1990s. The submarines are larger than the earlier Harushio class, to provide space for a flank sonar array.
Ships11
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