Solar Impulse is the only aeroplane of perpetual endurance. It can fly day and night on solar power, without a drop of fuel.
Bertrand Piccard and André Borschberg flew 40,000 km around the world in the Solar Impulse in 2016. A historic first.
On their sixth leg of this flight, from Chongqing to Nanjing, China, in 2015. Piccard flew 1344 km over 17 hours and 22 minutes.