Aircraft provided with a secondary flight assembly

A remote piloted aircraft comprising a primary propulsion unit with at least one engine to put in rotation a plurality of propellers and a main control unit comprising at least one receiver to receive commands from a remote control unit,

• wherein the aircraft has a secondary flight assembly to intervene in case of failure or emergency of the aircraft,
• wherein the secondary flight assembly is provided with an additional control unit to process data relevant to the flight and which includes an additional receiver to receive commands from a further remote control unit,
• wherein in case of failure or emergency, the additional control unit will generate, as a response to failure or emergency, an activation command to activate a first device for the expulsion of an upper wing placed in a first compartment of the aircraft and to inflate a lower wing housed in a second compartment of the aircraft, and also to generate an interdiction command of the primary propulsion unit,
• wherein the lower wing is inflated by compressed fluid contained in a tank of the aircraft,
• wherein the upper wing is maneuverable by the further remote control unit,
• wherein the lower wing is shaped to cooperate with the upper wing for the stability of the flight of the aircraft,
• wherein the lower wing when inflated is positioned underneath the aircraft.