AEI Systems Ltd is a highly focused, world-leading defence organisation with quality approval to BS EN ISO 9001:2000, specialising in design, development, manufacture, assembly, test, supply and support of the following: Small to medium calibre gun and cannon systems for air, land and sea applications including ADEN 30, DEFA 552A, 553 & 554, M39, M61, HS804. Helio Mirror products including small calibre gun mountings and pintles, rotating hatches, one-man cupolas and ring mounts. Military aircraft spares support specialising in Hawk, Harrier and Jaguar aircraft. Aerospace structures and components. Weapon/ammunition proof, acceptance, trials, analysis and disposal.