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Japanese aircraft carrier Kaiyo

Japanese aircraft carrier Kaiyō.jpg
Kaiyō at sea
History
Japan
Name: MV Argentina Maru
Owner: Osaka Shosen Kaisha
Builder: Mitsubishi Heavy Industries Shipyard, Nagasaki
Launched: 9 December 1938
Completed: 31 May 1939
Fate: Sold to the Imperial Japanese Navy, 9 December 1942
Empire of Japan
Name: Kaiyō
Namesake: Sea Hawk
Acquired: 9 December 1942
Commissioned: 23 November 1943
Struck: 20 November 1945
Fate: Scrapped, 1 September 1946
General characteristics
Type: Escort carrier
Displacement:
  • 13,600 t (13,400 long tons) (standard)
  • 16,483 t (16,223 long tons) (loaded)
Length: 166.55 m (546 ft 5 in)
Beam: 21.9 m (71 ft 10 in)
Draft: 8.04 m (26 ft 5 in)
Installed power:
Propulsion:
Speed: 23 kn (43 km/h; 26 mph)
Range: 7,000 nmi (13,000 km; 8,100 mi)
Complement: 829
Sensors and
processing systems:
1 × Type 2, Mark 2, Model 1 air search radar
Armament:
Aircraft carried: 24

Kaiyō (海鷹 meaning Sea Hawk?) was an escort carrier operated by the Imperial Japanese Navy (IJN) during World War II. The ship was originally built as the ocean liner Argentina Maru. She was purchased by the IJN on 9 December 1942, converted into an escort carrier, and renamed Kaiyō. The ship was primarily used as an aircraft transport, escort carrier and training ship during the war. She was badly damaged by repeated air attacks in July 1945 and was scrapped in 1946–48.

The ship was ordered as the fast luxury passenger liner Argentina Maru by Osaka Shosen Kaisha (OSK) in 1938. In exchange for a subsidy of her building costs by the Navy Ministry, she was designed to be converted to an aircraft carrier.

Argentina Maru was completed in 1939 and rated at 12,755 gross register tons (GRT). After being rebuilt, the ship had a length of 155 meters (508 ft 6 in) overall. She had a beam of 21.9 meters (71 ft 10 in) and a draft of 8.04 meters (26 ft 5 in). She displaced 13,600 tonnes (13,400 long tons) at standard load. As part of her conversion, her original diesel engines, which had given her a top speed of 21.5 knots (39.8 km/h; 24.7 mph), were replaced by a pair of destroyer-type geared steam turbine sets with a total of 52,000 shaft horsepower (39,000 kW), each driving one propeller. Steam was provided by four water-tube boilers and Kaiyō now had a maximum speed of 23 knots (43 km/h; 26 mph). She carried enough fuel oil to give her a radius of 7,000 nautical miles (13,000 km; 8,100 mi). Her crew numbered 829 officers and men.


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