30 mm ADEN Mk 4 on display at the Imperial War Museum Duxford
Type
Revolver cannon
Place of origin
United Kingdom
Service history
Used by
See users
Production history
Designer
Armament Development Establishment
Designed
1946
Manufacturer
Royal Small Arms Factory
Produced
1953–present
Specifications
Mass
196 kg (432 lb) with 200 rounds
Length
1,590–1,639 mm (5 ft 2.6 in – 5 ft 4.5 in)[1]
Barrel length
1,080 mm (3 ft 7 in)[1]
Shell
30×111mm belted[2][3]
Calibre
30 mm (1.2 in)
Action
gas operated revolver
Rate of fire
1,200–1,700 rpm
Muzzle velocity
795 m/s (2,610 ft/s)
The Royal Small Arms Factory ADEN cannon (ADEN being an acronym for "Armament Development, Enfield")[4] is a 30 mm revolver cannon used on many military aircraft, particularly those of the British Royal Air Force and Fleet Air Arm.[5] Developed post-World War II primarily to meet British Air Ministry's requirement for increased lethality in aircraft armament, the cannon was fired electrically and is fully automatic once it is loaded.[6]
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^"ADEN development" (PDF). Flight (28 January 1955): 109. Archived from the original (PDF) on 12 February 2018. Retrieved 27 May 2021.
^Lennox, Duncan (2001). "Guns: ADEN 30 mm cannon (United Kingdom)". Jane's air-launched weapons. Jane's Information Group. ISBN 978-0-7106-0866-6. Archived from the original on 26 January 2013.
^"Aden 30mm Gun Installation". Hawker Hunter. Archived from the original on 24 April 2017. Retrieved 4 February 2011.
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