[Problem] To provide a technology capable of increasing a propulsion efficiency in a BLI propulsion technology. [Solution] An aircraft according to the present technology comprises a fuselage and a BLI propulsion unit. The fuselage is cylindrical, long in the axial direction and short in the width direction and the vertical direction and has a rear end on the rear side in the axial direction. The BLI propulsion unit is located on the rear side of the fuselage and has an air intake, in which the center position of the air intake is offset from the center position of the rear end in one or both of the vertical direction and the width direction.