I/KG 66 - Dedelsdorf during the winter of 1944-1945 for individual Y-Gerat radio-beam sorties.
High-speed bomber series based on Ju 88 A-4 but with ventral Bola gondola omitted, smoothly-glazed nose and BMW 801 G-2 engines, the GM-1 boost system and could carry two SD1000 1000 kg bombs externally.