The utility model belongs to unmanned aerial vehicle prepares the field, especially relates to a long flight time aircraft. This aircraft includes: regular hexagon's well core plate, during core plate includes in should core plate with down in core plate, be provided with the position that six angles of regular hexagon between core plate and the lower well core plate are connected in last to six ailerons, have 3 between aileron and the well core plate 5 the last angle of inclination of degree, aileron tip are furnished with the screw, and the screw is after the rotation, and the promotion air current of production is to the well core plate outside. The utility model discloses does the aileron carry on 3 simultaneously 5 the upper counterangle of degree is connected, and the screw is after the rotation, and the promotion air current of production is to outside the well core plate, and at this moment, the lift of aircraft is to the inboard to the efficiency of having saved the motor has improved the time of flying.