The Nakajima Ki-49 Donryū (呑龍, "Storm Dragon") was a twin-engine heavy bomber designed and produced by the Japanese aviation manufacturer Nakajima Aircraft Company. Operated by the Imperial Japanese Army Air Service (IJAAS) as the Army Type 100 Heavy Bomber Model 1, it was known to the Allied by the reporting name "Helen".
The Nakajima Ki-49 Donryū (呑龍, "Storm Dragon") was a twin-engine heavy bomber designed and produced by the Japanese aviation manufacturer Nakajima Aircraft Company. Operated by the Imperial Japanese Army Air Service (IJAAS) as the Army Type 100 Heavy Bomber Model 1, it was known to the Allied by the reporting name "Helen".
Source: Wikipedia "Nakajima Ki-49 Donryū" · CC BY-SA 4.0
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