Solar Impulse has become the first solar-powered aircraft to circle the globe, after landing in Abu Dhabi on the last leg of its journey Bertrand Piccard piloted the plane for a final time, steering it safely from the Egyptian capital Cairo to the UAE Piccard was taking turns at the controls with Swiss compatriot Andre Borschberg It brings to an end a magical 17-leg voyage that began in Abu Dhabi on March 9th last year