Japanese submarine I-1

I-1 in 1930
History
RN EnsignImperial Japanese Navy
NameSubmarine Cruiser No. 74
BuilderKawasaki, Kobe, Japan
Laid down12 March 1923
Launched15 October 1924
RenamedI-1 on 1 November 1924
CompletedLate February 1926
Commissioned10 March 1926
Decommissioned5 November 1929
Recommissioned15 November 1930
Decommissioned15 November 1935
Recommissioned15 February 1936
Decommissioned15 November 1939
Recommissioned15 November 1940
FateWrecked 29 January 1943
Stricken1 April 1943
General characteristics
Class and typeJ1 type submarine
Displacement
  • 2,135 tons (surfaced)
  • 2,791 tons (submerged)
Length320 ft (98 m)
Beam30 ft (9.1 m)
Draught16.5 ft (5.0 m)
Propulsiontwin shaft MAN 10 cylinder

4 stroke diesels giving 6000 bhp

two electric motors of 2600 ehp
Speed18 kn (33 km/h; 21 mph) (surfaced) 8 kn (15 km/h; 9.2 mph) (submerged)
Range24,400 nmi (45,200 km; 28,100 mi) at 10 kn (19 km/h; 12 mph)
Test depth80 m (262 ft)
Boats & landing
craft carried
1 x 46 ft (14 m) Daihatsu (added August–September 1942)
Complement68 officers and men
Armament

I-1 was a J1 type submarine of the Imperial Japanese Navy. She was a large cruiser submarine displacing 2,135 tons and was the lead unit of the four submarines of her class. Commissioned in 1926, she served in the Second Sino-Japanese War and World War II. During the latter conflict she operated in support of the attack on Pearl Harbor, conducted anti-shipping patrols in the Indian Ocean, and took part in the Aleutian Islands campaign and the Guadalcanal campaign. In January 1943, during the Japanese evacuation of Guadalcanal, Operation Ke, the Royal New Zealand Navy minesweeper corvettes HMNZS Kiwi and HMNZS Moa intercepted her, and she was wrecked at Kamimbo Bay on the coast of Guadalcanal after the ensuing surface battle.[2][3]

  1. ^ Campbell, John Naval Weapons of World War Two ISBN 0-87021-459-4 p.191
  2. ^ "Moa and Kiwi bag a sub". New Zealand History. History Group of the New Zealand Ministry for Culture and Heritage. Retrieved 28 April 2015.
  3. ^ Owen, David (2007). Anti-submarine warfare : an illustrated history. Annapolis, MD: Naval Institute Press. p. 179. ISBN 9781591140146.

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