The Peak Aerospace Me 109R is a family of German replica warbird ultralight aircraft that was designed by Tassilo Bek, and originally produced by of Pasewalk. The company since changed its name to . The design, first flown in 1991, is an 80% scale replica of the Second World War Messerschmitt Bf 109 and is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.