The Nakajima Ki-84 Hayate (キ84 疾風; lit. "Gale") 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 (四式戦闘機, yon-shiki-sentō-ki). The Allied reporting name for the type was "Frank".
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