Kawasaki Ki-100
Kawasaki's design team had evolved an excellent high-altitude interceptor fighter as the Ki-65-II-KAI, but by late 1944 a shortage of the Ha-140 liquid cooled inline engine was resulting in a large number of engineless airframes being held in storage.

This aircraft was a derivation of the Kawasaki Ki-61 airframe using a Ha-112 radial and a cut down rear fuselage for better cockpit visibility. The first of these conversions being flown in February 1945 under the new designation Ki-100.

With the termination of the Ki-61 production, a new version of the Type 5 replaced it on the production line.

Production
A total of 389 aircraft were built