Tail plane is swept along the leading edge. Landing gear with tail wheel is retractable. It was a high-altitude reconnaisance aircraft with pressurized cockpit. Among other things, the airplanes had more powerful engines. The short fuselage is tall and narrow with a small rounded tail fin.
Fuselage extends beyond the trailing edge of the tail fin.
Low-set wings are unswept with rounded tips. One or two guns are mounted in either wing. Narrow-chord tailplane is swept along the leading edge and has rounded tips. Landing gear with tail wheel is retractable. First prototypes J2M1 flew in 1942.