On this aircraft, no. On other aircraft, it has been done without 100% efficiency. https://en.wikipedia.org/wiki/Solar_Impulse#2015–16_circumnavigation_of_the_

On this aircraft, no. On other aircraft, it has been done without 100% efficiency. https://en.wikipedia.org/wiki/Solar_Impulse#2015–16_circumnavigation_of_the_Earth https://en.wikipedia.org/wiki/Solar_Impulse#2015–16_circumna... ^ About 118 hours of manned flight between Japan and Hawaii.