After 1943, when the airplane became completely obsolete, it was used for transport and glider towing. The fuselage is round with a large air-cooled radial piston engine in front and a rounded tail fin. The engine is fitted with a two-blade propeller. A long canopy covers the cockpit. Low-set wings are elliptical with rounded tips.
Tailplane is swept on the leading edge and also has rounded tips.
Main landing gear is housed in unretractable fairings under the wings. Ki-15 was developed in 1936. Two versions of the airplane were made - military reconnaisance aircraft and a civilian version. A6M was a fully metallic single-engine fighter. The fuselage was circular with a large air-cooled engine in front.