Japanese submarine I-58 (1943)

I-58 was a Japanese B3 type cruiser submarine that served in the final year of World War II. Her only significant wartime success came with a conventional torpedo attack upon USS Indianapolis on 30 July 1945. She was modified to carry Kaiten manned torpedoes, making several attacks that inflicted minor damage in exchange for every Kaiten launched being sunk. The submarine surrendered in September 1945, and was later scuttled by the United States Navy.

I-58 during trials in 1944
History
Japan
NameI-58
BuilderYokosuka Naval Arsenal
Laid down26 December 1942
Launched9 October 1943
Completed7 September 1944
FateScuttled 1 April 1946
General characteristics
Class and typeType B3 submarine
Displacement
  • 2,140 long tons (2,174 t) standard surfaced
  • 3,688 long tons (3,747 t) submerged
Length108.7 m (357 ft)
Beam9.3 m (31 ft)
Draft5.18 m (17.0 ft)
Propulsion
  • 2 ×diesel engines, 4,700 hp (3,500 kW)
  • 2 × Electric motors, 1,200 hp (890 kW)
Speed
  • 17.75 knots (33 km/h) surfaced
  • 6.5 knots (12 km/h) submerged
Range
  • 21,000 nmi (39,000 km) at 16 kn (30 km/h; 18 mph) surfaced
  • 105 nmi (194 km) at 3 kn (5.6 km/h; 3.5 mph) submerged
Test depth100 m (330 ft)
Boats & landing
craft carried
6 × Kaiten manned torpedoes
Complement94 officers and men
Armament
  • 6 × 533 mm (21 in) torpedo tubes
  • 23 × torpedoes
  • 1 x 140 mm (5.5 in) gun
  • 2 × Type 96 25 mm (0.98 in) AA guns
Aircraft carried1 × floatplane later removed
Aviation facilitiesHangar and launching catapult for floatplane (removed 1945)
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