The Mil Mi-2 is a small, lightly armed turbine-powered transport helicopter that could also provide close air support when armed with 57 mm rockets and a 23 mm cannon.
Wikipedia https://en.wikipedia.org/wiki/Mil_Mi-2
Address 69 Alkenrather Straße, Leverkusen 51377, Germany
Coordinates 51°2'39.607" N 7°1'23.165" E