A light multi-purpose aircraft comprises a fuselage (1); a wing (2); a fin assembly (3); a landing gear (4); a main power plant (5); an auxiliary power plant (7); pylons (10); outboard suspension objects (9) arranged on the undersurface and at the ends of the wing (2); at least one outboard suspension object (9) being arranged on the undersurface of the wing (2) and at least one outboard suspension object (9) being arranged at each end of the wing (2); a gun mount (8) or a guidance and tracking mount arranged in the lower part of the fuselage (1); a controlling integrated complex of airborne electronic equipment (17) with an electric power supply system (16), and an on-board electronic guidance and tracking system (20), a defense system (21), a multi-purpose control panel (22), an armament control complex (19) incorporating a group interaction system (23) and an armament control system (24), and the parts of the armament control complex (19) are related to each other and to the controlling integrated complex of airborne electronic equipment computer system (18) through a multiplexer information exchange channel; the armament control system (24) comprising a matching and logic unit (25); an emergency unloading unit (26); at least one data distribution and conversion unit (27); executive units (28); units for switching outboard suspension objects (29); a unit for switching a gun mount or guidance and tracking mount (30); components of the armament control system (24) being linked by a local channel of information exchange, the number of the executive units (28) and the units for switching outboard suspension objects (29) being consistent with the number of outboard suspension objects (9).