http://www.millenniumjet.com/

UWe are pleased to announce on October 20th 2003 Springtail™, our fourth generation single person Vertical Takeoff and Landing (VTOL) aircraft successfully completed its first untethered hover. The test was short, lasting about a minute, but Springtail was remarkably stable and under control. Two weeks later, on November 5th 2003, Springtail made its first transition to forward free-flight. Again the flight was short, about sixty feet and lasted approximately half a minute..

Jeremy here, filling in for Jay. Check out the photos of this monstrosity. Some might ask, "haven't we invented enough embarassing ways to kill ourselves?" The clear answer to that is, no. No, we haven't.