Unmanned Solar Aircraft Beats Time-Aloft Record
A solar-powered, unmanned aircraft launched from the Yuma Proving Ground in Arizona has flown for 82 hours 37 minutes, more than twice as long as the current official world record of 30 hours 24 minutes set by Global Hawk in 2001, the manufacturer said on Sunday. However, the flight by Zephyr, built by QinetiQ for […]