It was developed specifically to perform trainer and light attack missions, as well as to perform these duties more ideally than the first generation of jet trainers that preceded it. Following a competition, a design submitted by a team comprising Breguet Aviation, Dassault Aviation, and Dornier Flugzeugwerke, initially designated as the TA501, was selected and subsequently produced as the Alpha Jet. The Alpha Jet is a light twin-engine aircraft equipped with an intentionally simple airframe despite the performance delivered. Both the leading edges and air intakes are fixed; while the aerodynamic shape of the aircraft, which was developed with the aid of computer aided design (CAD), conforms with the area rule. Fully powered controls are used, comprising a dual-hydraulic systems and load-factor limited dynamic feel system arrangement attached to conventional flight control surfaces. The cockpit is pressurised for greater comfort during training. The Alpha Jet is designed to accommodate ten-minute turn around times with minimal ground equipment, using features such as pressurised single-point refueling, ladder-less entering/egress of the cockpit, and a ten-hour endurance of the liquid oxygen system. The Alpha Jet was designed to perform a diverse range of roles. The principal users of the type, Germany and France, operated their Alpha Jets in different capacities, the former as a ground attack platform and the latter as a trainer aircraft. Beyond performing different roles, the Alpha Jet fleets of France and Germany noticeably differed in their specification and equipment; German aircraft were fitted with a more extensive weapon-aiming system, a different fuel system, a yaw damper, different brakes, nosewheel steering, an arrester hook, and Stencel ejector seats in place of Martin-Baker. Operators Australia Air Affairs/Top Aces - 3 (Former Luftwaffe Alpha Jet A) provided by Top Aces. Operated in support of Australian Defence Force training. For more information on the development, operational history and eight variants, click here. Specifications below are for the Alpha Jet MS1: Close support-capable version assembled in Egypt.