Solar Impulse 2 undertakes test flight over Hawaii

The Solar Impulse 2 made a test flight on 3 March over Hawaii, as it prepares to continue on its record-breaking journey. Pilot Andre Borschberg is attempting to circumnavigate the globe on solar energy alone. The aircraft has been grounded on the Island of Oahu since July as a result of battery damage caused during the planes record 118-hour trans-Pacific flight from Japan to Hawaii last July. Mar 4, 2016