Tags: Aircraft.
The Aichi S1A Denko (Bolt of Light) was a Japanese night fighter intended to replace the Nakajima J1N1-S Gekkou (Allied code name Irving). It was to be like the Gekkou equipped with radar to counter the B-29 air raids over the Japan. Development time increased while trying to overcome design shortcomings such as the insufficient power of the Navy’s requested Nakajima Homare engines resulting in no aircraft being completed before the war ended.