Japanese aircraft carrier Hiryū

Hiryū at anchor in Yokosuka, shortly after completion in 1939
Class overview
Operators Imperial Japanese Navy
Preceded bySōryū
Succeeded byShōkaku class / Unryū class
Built1936–1939
In commission1939–1942
Completed1
Lost1
History
Empire of Japan
NameHiryū
Namesake飛龍, "Flying Dragon"
BuilderYokosuka Naval Arsenal
Laid down8 July 1936
Launched16 November 1937
Commissioned5 July 1939
Stricken25 September 1942
FateScuttled after the Battle of Midway, 5 June 1942
General characteristics
TypeAircraft carrier
Displacement17,600 t (17,300 long tons) (standard)
Length227.4 m (746 ft 1 in) (o/a)
Beam22.3 m (73 ft 2 in)
Draft7.8 m (25 ft 7 in)
Installed power
  • 8 × water-tube boilers
  • 153,000 shp (114,000 kW)
Propulsion4 × shafts; 4 × geared steam turbines
Speed34 knots (63 km/h; 39 mph)
Range10,330 nmi (19,130 km; 11,890 mi) at 18 knots (33 km/h; 21 mph)
Complement1,100
Armament
  • 6 × twin 12.7 cm (5 in) DP guns
  • 7 × triple, 5 × twin 25 mm (1 in) AA guns
Armor
  • Waterline belt: 9–15 cm (3.5–5.9 in)
  • Deck: 25–55 mm (1.0–2.2 in)
Aircraft carried
  • 64 (+9 spares) (7 Dec. 1941)
  • 21 Mitsubishi A6M Zero
  • 18 Aichi D3A
  • 18 Nakajima B5N[1]

Hiryū (Japanese: 飛龍; meaning "Flying Dragon") was an aircraft carrier built for the Imperial Japanese Navy (IJN) during the 1930s. Generally regarded as the only ship of her class, she was built to a modified Sōryū design.[Note 1] Her aircraft supported the Japanese invasion of French Indochina in mid-1940. She took part in the attack on Pearl Harbor and the Battle of Wake Island. During the first few months of the Pacific War, the ship supported the conquest of the Dutch East Indies in January 1942. The following month, her aircraft bombed Darwin, Australia; and continued to assist in the Dutch East Indies campaign. In April, Hiryū's aircraft helped sink two British heavy cruisers and several merchant ships during the Indian Ocean Raid.

After a brief refit, Hiryū and three other fleet carriers of the First Air Fleet (Kido Butai) participated in the Battle of Midway in June 1942. After bombarding American forces on the atoll, the carriers were attacked by aircraft from Midway and the carriers USS Enterprise, Hornet, and Yorktown. Dive bombers from Yorktown and Enterprise crippled Hiryū and set her afire. She was scuttled the following day after it became clear that she could not be salvaged. The loss of Hiryū and three other IJN carriers at Midway was a crucial strategic defeat for Japan and contributed significantly to the Allies' ultimate victory in the Pacific.

  1. ^ Bōeichō Bōei Kenshūjo, p. 344
  2. ^ Chesneau, pp. 165–166; Parshall & Tully, pp. 470–476
  3. ^ Brown 1977, pp. 18–21; Sturton, p. 181


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