The German-made `` Multicopter '' has made its first manned flight . It is the second such unmanned aircraft to be flown by a German company after an experimental helicopter in 2008. Creators say finished model could be used as an air taxi .
The German-made `` Multicopter '' has made its first manned flight . It is powered by 16 small rotor blades , fueled by lithium batteries . Creators say finished model could be used as an air taxi .