DETROIT. The MOBi-ONE autonomous, electric vertical take-off and landing (VTOL) aircraft from Airspace Experience Technologies LLC (AirSpaceX), a subsidiary of Detroit Aircraft Corp. (DAC) at the Coleman A. Young Municipal Airport in Detroit, Michigan, debuted at the North American International Auto Show (NAIAS) in Detroit this week. Advances in electric propulsion, automation, and lightweight materials now make the development of this new class of aircraft possible, company officials say.