During its test flight program in 1988 and 1989, the Condor set several records for piston-powered aircraft by reaching a top altitude of 67,028 feet and staying aloft for nearly two and one-half days.
Boeing Condor
Boeing built the Condor entirely from composite materials to perform remote controlled, high-altitude, long-endurance (HALE) missions. Its first flight was on October 9, 1988.