Type 99 88 mm AA Gun
|Japanese Type 99 88mm AA Gun|
Type 99 88 mm AA Gun
|Place of origin||Empire of Japan|
|Used by||Imperial Japanese Army|
|Wars||World War II|
|Number built||approx 1,000|
|Barrel length||3.959 m (13 ft), or L/45|
|Caliber||88 millimetres (3.5 in)|
|Elevation||-11° to +80°|
|Rate of fire||15 rpm|
|Muzzle velocity||800 m/s (2,600 ft/s)|
|Effective range||10,420 m (34,190 ft)|
|Maximum range||15,700 m (51,500 ft)|
The Type 99 88 mm AA Gun (九九式八糎高射砲 Kyūkyū-shiki hassenchi Koshahō ) was an anti-aircraft gun used by the Imperial Japanese Army during World War II. The Type 99 number was designated for the year the gun was accepted, 2599 in the Japanese imperial year calendar, or 1939 in the Gregorian calendar.
History and development
During the Battle of Nanjing in the Second Sino-Japanese War, Japanese forces captured a number of German-made SK c/30 anti-aircraft guns from the National Revolutionary Army of the Republic of China. These weapons were originally naval anti-aircraft weapons for the German Navy, and should not be confused with the more famous FlaK 88 mm anti-aircraft gun.
Quickly realizing the superiority of this design in terms of range and firepower over the domestic Type 88 75 mm AA Gun, the Japanese Army Technical Bureau quickly “reverse engineered” it, and placed it into production. Approximately 1000 units were built.
The Type 99 88 mm AA gun had a single piece gun barrel with sliding breech and vertical sliding breech block. The firing platform was supported by five legs, each of which (along with the central pedestal) had adjustable screwed foot for leveling. The gun barrel could easily be removed from the breech end-piece, and the entire assembly could be broken down into six separate assemblies for ease of transportation. It fired a 9.0 kilogram high explosive projectile to an effective altitude of 10,420 meters. Armor-piercing warheads were also developed for potential anti-tank use.
- High-Explosive – 9.0 kg
- Incendiary – 9.5 kg
- Armor-Piercing – 10.0 kg
- War Department TM-E-30-480 Handbook on Japanese Military Forces September 1944 p 400
-  Taki's Imperial Japanese Army
- Chant, Artillery of World War II.
- Bishop, The Encyclopedia of Weapons of World War II.
- Rottman, The Japanese Army in World War II. Pp.40
- War Department TM-E-30-480 Handbook on Japanese Military Forces September 1944
- Bishop, Chris (eds) The Encyclopedia of Weapons of World War II. Barnes & Nobel. 1998. ISBN 0-7607-1022-8
- Chant, Chris. Artillery of World War II, Zenith Press, 2001, ISBN 0-7603-1172-2
- McLean, Donald B. Japanese Artillery; Weapons and Tactics. Wickenburg, Ariz.: Normount Technical Publications 1973. ISBN 0-87947-157-3.
- Rottman, Gordon L. The Japanese Army in World War II. Osprey (2005) ISBN 1-84176-870-7
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