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Sokuten class |
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| Name | Sokuten class |
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| Builders | |
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| Operators | |
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| Preceded by | Natsushima class |
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| Succeeded by | Kamishima class |
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| Subclasses |
- Sokuten class (Pr. H11)
- Hirashima class (Pr. H11B)
- Ajiro class
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| Cost |
- 2,540,064 JPY in 1937
- 2,943,000 JPY in 1939
- 4,334,400 JPY in 1941
- 4,487,000 JPY in 1942
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| Built | 1937–1944 |
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| In commission | 1938–1960 |
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| Planned | 41 |
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| Completed | 15 |
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| Canceled | 26 |
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| Lost | 12 |
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| Retired | 3 |
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Hirashima class Niizaki on 31 August 1942 |
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| Type | Minelayer/Netlayer |
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| Displacement | 720 long tons (732 t) standard |
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| Length | 74.70 m (245 ft 1 in) overall |
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| Beam | 7.85 m (25 ft 9 in) |
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| Draught |
- Sokuten class
- 2.60 m (8 ft 6 in)
- Hirashima class and Ajiro class
- 2.62 m (8 ft 7 in)
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| Propulsion | 2 × MAN Mk.3 Model 10 diesels, 2 shafts, 3,600 bhp |
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| Speed | 20.0 knots (37.0 km/h; 23.0 mph) |
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| Range |
- Nuwajima, 1943
- approx. 4,000 nmi (7,400 km; 4,600 mi) at 14 kn (26 km/h; 16 mph)
- all others
- 2,000 nmi (3,700 km; 2,300 mi) at 14 kn (26 km/h; 16 mph)
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| Complement |
- Sokuten class and Ajiro class
- 74
- Hirashima class
- 67
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| Armament |
- Sokuten class
- 2 × 40 mm heavy machine guns
- 2 × Type 93 13 mm AA guns
- 36 × Type 95 depth charges
- 1 × Type 94 depth charge projector
- 10 × depth charge throwers
- 1 × Type 93 active sonar
- 1 × Type 93 hydrophone
- 120 × Type 93 naval mines or 2 × Type 96 510 m (1,673 ft 3 in) anti-submarine nets or 8 × 502.5 m (1,648 ft 7 in) capture nets
- Hirashima class and Ajiro class
- 1 × 76.2 mm (3.00 in) L/40 AA gun
- 2 × Type 93 13 mm AA guns
- 36 × Type 95 depth charges
- 1 × Type 94 depth charge projector
- 10 × depth charge throwers
- 1 × Type 93 active sonar
- 1 × Type 93 hydrophone
- 120 × Type 93 naval mines or 2 × Type 96 510 m anti-submarine nets or 8 × 502.5 m capture nets
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The Sokuten-class minelayer (測天型敷設艇,, Sokuten-gata Fusetsutei) was a class of minelayers of the Imperial Japanese Navy (IJN), serving during and after World War II. The class consists of three subclasses, which this article handles collectively.