In Switzerland, have successfully tested the plane on solar batteries fit to fly in the stratosphere.

A single-engine aircraft SolarStratos models successfully took to the air to a height of 250 meters, and in the course of their tests could show itself solely on the positive side, at the same time, we are talking only about the initial tests, but, according to the developers of air tools, aircraft will be able to make their the first flight into the stratosphere of our planet already 2019 year, and if these tests do not reveal any problems, it can be further deployed and the mass production of such aircraft.

On board his single-engine plane can SolarStratos to transport two people at the same time, with a relatively short length of the fuselage, wing span of the aircraft is 24,8 meters.