aircraft. The and Matra SA-10 gunpods produced for Swedish Air Force by collaboration with FFV and S. A. Engins Matra used on Saab AJ 37 and Saab Sk 60B/C attack aircraft during the early 1970s used guns taken from scrapped Swedish Saab J 32Bs and Hawker Hunter J 34s. The FFV pod has also been sold to the Austrian Air Force for use on their Saab 105Ös. A centreline gun pod containing ADEN gun and 100 rounds on the BAE Systems Hawk in RAF service. It is still in active service with, among others, the South African Air Force. Specifications The Aden is belt feed using a disintegrating belt of open type links. Type: Single-barrel aircraft autocannon Action: Revolver drum with 5 chambers Operation: Gas operation Cocking-system: Pneumatic Priming: Electronic firing Firing-system: Electrical 26 volts DC Rifling: Progressive RH parabolic twist, 16 grooves Cartridge: 30 × 111 mm Calibre: Weight of complete weapon: , with 200 rounds Length of complete weapon: Weight of barrel: Length of barrel: Recoil load: 31.4 kN Rate of fire: 1,200–1,500 rpm (ADEN Mk. 4), 1,500–1,700 rpm (ADEN Mk.5) Ammunition Ammunition for the ADEN included.High Explosive (High Explosive Mk.3Z ) Projectile type: "High-Explosive, High-Capacity" Fuze type: Nose fuze Explosive filling: Torpex 5 (Hexotonal) Cartridge weight: Projectile weight: Propellant weight: CU-pressure: 2930 bar Muzzle velocity: Armour-piercing (30 mm pprj m/55 Sweden) Projectile type: Armour-Piercing, Composite Rigid Fuze type: None Core type: Tungsten penetrator Cartridge weight: Projectile weight: Core weight: Propellant weight: CU-pressure: 2930 bar Muzzle velocity: Target practice (Practice Mk.2Z, UK ) Projectile type: Inert solid metal plug in place of fuze and explosive charge Cartridge weight: Projectile weight: Core weight: Propellant weight: CU-pressure: 2930 bar Muzzle velocity: Users Royal Australian Air Force Royal Bahraini Air Force Belgian Air Component Chilean Air Force Danish Air Force Finnish Air Force Iraqi Air Force Indian Air Force Indian Naval Air Arm Indonesian Air Force (TNI-AU) Royal Jordanian Air Force Kenyan Air Force Kuwait Air Force Lebanese Air Force Royal Netherlands Air Force Royal Malaysian Air Force Royal Air Force of Oman Peruvian Air Force Qatar Emiri Air Force (now ) Royal Rhodesian Air Force (later to Air Force of Zimbabwe) Royal Saudi Air Force Republic of Singapore Air Force South African Air Force Republic of Korea Air Force Somali Air Corps Spanish Naval Air Arm Swedish Air Force – designated 30 mm akan m/55'' Swiss Air Force Royal Thai