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Japanese submarine chaser Cha-231

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History
Imperial Japanese Navy
NameCha-231
BuilderYamanishi Shipbuilding Co., Ltd., Ishinomaki
Laid down30 August 1944
Launched1944
Completed7 December 1944
Commissioned7 December 1944
HomeportSasebo
Fatetransferred to Japan Maritime Safety Agency, 1 January 1947
History
Japan Maritime Safety Agency
Acquired1 January 1947
RenamedShiratori (MS-17)
Fatetransferred to Japan Maritime Self-Defense Force, 1 July 1954
History
Japan Maritime Self-Defense Force
Acquired1 July 1954
Decommissioned31 March 1962
RenamedShiratori (MS-17)
Fateunknown
General characteristics
Class and typeNo.1-class Submarine chaser
Displacement130 long tons (132 t) standard
Length29.20 m (95 ft 10 in) overall
Beam5.65 m (18 ft 6 in)
Draught1.97 m (6 ft 6 in)
Propulsion
  • 1 × intermediate diesel
  • shingle shaft, 400 bhp
Speed11.0 knots (12.7 mph; 20.4 km/h)
Range1,000 nmi (1,900 km) at 10.0 kn (11.5 mph; 18.5 km/h)
Complement32
Armament
  • 1 × 13.2mm machine gun
  • 22 × depth charges
  • 1 × dunking hydrophone
  • 1 × simple sonar

Cha-231 or No. 231 (Japanese: 第二百三十一號驅潜特務艇) was a No.1-class auxiliary submarine chaser of the Imperial Japanese Navy that served during World War II.

History

She was laid down on 30 August 1944 at the Ishinomaki shipyard of Yamanishi Shipbuilding Co., Ltd. (株式會社山西造船鐵工所) and launched later in the same year. She was fitted with armaments at the Yokosuka Naval Arsenal; completed and commissioned on 7 December 1944; and assigned to the Sasebo Defense Force, Sasebo Naval District. Cha-231 survived the war.

On 1 December 1945, she was demobilized and enrolled as a minesweeper by the occupation forces. On 1 January 1947, she was assigned to the Japan Maritime Safety Agency and on 20 August 1948 she was designated minesweeper MS-17. On 1 December 1951, she was renamed Shiratori (しらとり). On 1 July 1954, she was transferred to the newly created Japan Maritime Self-Defense Force. She was delisted on 31 March 1962.

References

  1. ^ Toda, Gengoro S. (21 September 2019). "驅潜特務艇 (Cha - Stats)". Imperial Japanese Navy - Tokusetsukansen (in Japanese).
  2. ^ Toda, Gengoro S. "第二百三十一號驅潜特務艇の艦歴 (No. 231 submarine chaser - Ship History)". Imperial Japanese Navy -Tokusetsu Kansen (in Japanese).
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