Abstract: A light multi-purpose aircraft comprises a fuselage 1; a wing 2; a fin assembly 3; a landing gear 4; main and auxiliary power plants 5; a crew protection system; an integrated complex for controlling a general-purpose aircraft equipment which is engaged through a multiplexer channel with a set of on-board digital computers, electronic control systems of port and starboard engines, a recording and monitoring system, a guidance and landing equipment, a complex control system and is engaged through code communication lines with a fuel control and monitoring system, a voice message equipment, a complex electron display system, characterized in that the crew protection system is made in the form of a multilayer screen of auxiliary and main equipment configured in order of increasing its significance farther and farther away from the shell and load-bearing elements of the fuselage 1; the greatest component density is ensured with due regard for the most likely zones and aspect angles of injury: ˜30° with respect to