This Day in History:
August 14, 2001
NASA’s solar-powered propeller-driven plane Helios reached an altitude of 96,500 ft during a flight over Hawaii, breaking both the records of 80,200 for propeller-driven a/c and the 85,068 ft mark for all nonrocket a/c.
American Aviation Historical Society
1956 - 2026, Celebrating 70 Years of Service
