Dornier Do 217 was a German multi-purpose bomber of the Second World War. It was developed as a replacement for the Dornier Do 17 bomber. It was produced serially from November 1940 to May 1944. Dornier Do 217J was the night fighter on Do 217 base, with BMW 801 engines, powerful armament and radar (on J-2).
In total, in 1942-1943, it were produced 364 Dornier 217 night fighters of different modifications. They were in service with several night fighter regiments.