Urban AirMule VTOL UAV untethered flight tests
Video from Israel's Urban Aeronautics of its 10 Dec 2013 untethered, automated flight tests of the AirMule vertical take-off and landing unamnned aircraft. The aircraft has fore and aft ducted rotors from VTOL and ducted fans for propulsion. Urban is developing the AirMule for resupply, medevac and rescue missions in confined spaces, like city streets.