Hiyō-class aircraft carrier
Aircraft carrier class of the Imperial Japanese Navy / From Wikipedia, the free encyclopedia
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The two Hiyō-class aircraft carriers (飛鷹型航空母艦, Hiyō-gata kōkūbokan) were built for the Imperial Japanese Navy (IJN) during World War II. Both ships of the class, Hiyō and Jun'yō, were originally laid down as luxury passenger liners before being acquired by the IJN for conversion to aircraft carriers in 1941. Jun'yō was the first of the sister ships to be completed in May 1942 and the ship participated in the invasion of the Aleutian Islands the following month. Both ships participated in several battles during the Guadalcanal Campaign in late 1942. Their aircraft were disembarked several times and used from land bases in a number of battles in the South West Pacific.
Hiyō at anchor | |
Class overview | |
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Builders | |
Operators | Imperial Japanese Navy |
Preceded by | Shōkaku class |
Succeeded by | Taihō |
Built | 1939–1942 |
In commission | 1942–1945 |
Completed | 2 |
Lost | 1 |
Scrapped | 1 |
General characteristics (Jun'yō as built) | |
Type | Aircraft carrier |
Displacement | 24,150 t (23,770 long tons) (standard) |
Length | 219.32 m (719 ft 7 in) (o/a) |
Beam | 26.7 m (87 ft 7 in) |
Draft | 8.15 m (26 ft 9 in) |
Installed power |
|
Propulsion | 2 shafts; 2 geared steam turbine sets |
Speed | 25.5 knots (47.2 km/h; 29.3 mph) |
Range | 11,700 nmi (21,700 km; 13,500 mi) at 18 knots (33 km/h; 21 mph) |
Complement | 1,187–1,224 |
Sensors and processing systems | 1 × Type 2, Mark 2, Model 1 early-warning radar |
Armament |
|
Armor | Belt: 25–50 mm (0.98–1.97 in) |
Aircraft carried | 54 |
Hiyō was torpedoed in June 1943 and Jun'yō in November; both ships spent about three months under repair. They spent most of the time after their repairs training and ferrying aircraft before returning to combat. Hiyō was sunk by a gasoline vapor explosion caused by an American aerial torpedo hit during the Battle of the Philippine Sea in mid-1944 while Jun'yō was damaged by several bombs. Lacking aircraft, she was used as a transport in late 1944 and was torpedoed in December. The ship was under repair until March 1945 when the repairs were deemed uneconomical. Jun'yō was then effectively hulked for the rest of the war. After the surrender of Japan in September, the Americans deemed the ship not worth her repair costs; she was broken up in 1946–1947.