M 37/Bf 108A
M 37/Bf 108A Initial version designed in 1934 for use in Challenge 1934. Six were built with the Hirth HM 8U, one other initially had a 220 PS (217 hp, 162 kW)Argus As17B inline engine and later a 160 PS (158 hp, 118 kW) Siemens Sh14A radial.