News: Solar powered plane completes night long flight over Switzerland

domain-B has an article mentioning: "... a height of 28,000 feet and a top speed of 78 mph in what, according to project coordinators was the longest test flight of a piloted, solar-powered aircraft. >"We don't need to prolong the flight," a project team said in a tweet yesterday morning. "Everything we wanted to prove with this flight has been ..."

Posted by Photonic News