Japanese minelayer Minoo

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NameMinoo
Namesakeancient battlefield in Nanboku-chō period
Orderedfiscal 1944
Minoo in 1947
History
Japanese Navy EnsignJapan
NameMinoo
Namesakeancient battlefield in Nanboku-chō period
Orderedfiscal 1944
BuilderNaniwa Dock Company, Osaka
Laid downNovember 29, 1944
LaunchedMay 13, 1945
CommissionedAugust 5, 1945
StrickenOctober 5, 1945
FateScrapped 1947
General characteristics
Typeminelayer
Displacement
  • 3,224 long tons (3,276 t) standard
  • 5,200 long tons (5,283 t) trial
Length
  • 91.7 m (301 ft) pp,
  • 86.25 m (283.0 ft) waterline
Beam13.42 m (44 ft 0 in)
Draught5.85 m (19 ft 2 in)
Propulsion
  • 1 × Kampon A Model 12 steam turbine
  • 1 × Model 2 Scotch boiler
  • single shaft, 1,200 hp (890 kW)
Speed11 knots (13 mph; 20 km/h)
Range4,000 nmi (7,400 km) at 9.5 kn (10.9 mph; 17.6 km/h) as Type 2D wartime standard cargo ship
Complement94
Electronic warfare
& decoys
  • 1 × 13-Gō early warning radar
  • 1 × Type 5 hydrophone
Armament
Armournone

Minoo (箕面) was a minelayer of the Imperial Japanese Navy, which was in service during the final stages of World War II. She was the lead ship of what was intended to be a two-vessel class, but her sister ship, designated Vessel #1822 was not completed before the end of the war.

During the very final stages of World War II, in preparation for the anticipated Allied invasion of the Japanese home islands, the Imperial Japanese Navy perceived the need to block the entrances to the Sea of Japan, namely the La Pérouse Strait, Tsugaru Strait and Tsushima Strait to protect Japan's long and relatively lightly defended western coastline.[1] However, as all minelayers has been sunk by that time, an emergency program was begun under the Maru Sen Programme to construct several small vessels for this task. Minoo was a modified Type 2D wartime standard cargo ship, which had been laid down by the Naniwa Dock Company on November 29, 1944. It was requisitioned by the Imperial Japanese Navy in December before completion, was launched on May 13, 1945, and was commissioned into service on August 5, 1945, after modifications at the Kure Naval Arsenal.[2]

Operational history

On completion, Minoo was assigned to the Kure Naval District, but the surrender of Japan occurred only 5 days after her commissioning. She was removed from the navy list on October 5, 1945. From September 1945 through December 1946, Minoo was used as a repatriation transport, shuttling between Okinawa, Shanghai, Hakata, and Sasebo returning demobilized Japanese troops and civilians from the Asian mainland to the Japanese home islands.[3] She was scrapped in 1947.

Ships in class

Ship # Ship Builder Laid down Launched Completed Fate
1821 Minoo (箕面) Naniwa Dock Company 29 November 1944 13 May 1945 5 August 1945 Decommissioned 5 October 1945; scrapped in April 1947
1822 Naniwa Dock Company 1 February 1945 1948 7 June 1948 Construction stopped in April 1945. Transferred to Inui Steamship inc., and construction restarted as merchant ship Kenshin Maru (乾進丸). Sunk by rough weather on 4 October 1948.

Approximate vessels

References

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