China's largest unmanned solar-powered aircraft just set a domestic record by reaching an altitude of more than 20,000 meters during a test flight.
Solar Impulse finished a 26,700-mile journey, flying a total of 23 days without a drop of fuel.
Solar Impulse 2 pilots Andre Borschberg and Bertrand Piccard are ready to fly again. Once they determine the best weather conditions, Piccard will fly the plane to North America.
Capable of flying far, carrying large loads and powered only by the sun, could this airship hybrid be the future of aviation?
On Friday the 13th May 2011, after almost 13 hours of flight, André Borschberg lands in Brussels Airport for Solar Impulse's first international flight. It landed at 9:40PM UTC+2.
The totally solar powered Solar Impulse aircraft made its maiden international flight, piloted by Andre Borschberg, across Europe on Friday
