The Nakajima Ki-84 Hayate is a single-seat fighter designed and produced by the Japanese aviation manufacturer Nakajima Aircraft Company. Flown by the Imperial Japanese Army Air Service (IJAAS) in the last two years of World War II, its service designation was Army Type 4 Fighter . The Allied reporting name for the type was "Frank".
The Ki-84 is generally considered the best Japanese fighter to operate in large numbers during the conflict.
