While the maiden flight may not have lasted long or covered much distance , it was enough to convince its designers that it has the potential to develop further . The German - made ` ` Multicopter '' has made its first manned flight . It is powered by two small rotor ##s , fueled by two batteries . Creators ' finished aircraft could be used as an air ambulance .
The German - made ` ` Multicopter '' has made its first manned flight . It is powered by two small rotor ##s , fueled by two batteries . Creators ' finished aircraft could be used as an air ambulance .