4 ms·Sun-powered Solar Impulse plane begins marathon Pacific flight9 points by dr_ 11y agodotcoma 11y agoits flight.jaytaylor 11y agoHow can a single pilot go it alone for 130 hours? Is it safe to sleep?diab0lic 11y agoFrom the article: "At night, if there is no turbulence, Borschberg will be able activate the autopilot and nap, but only for 20 minutes at a time."