Solar plane prepares for international flight
The Solar Impulse team says the flights to Belgium and France are a big challenge because the plane will need to navigate across international air traffic networks.
The single-seater prototype with the wingspan of a Boeing 777 made its 2009 maiden flight in Switzerland and further tests have all taken place there.
Pilot Andre Borschberg said the success of the first cross-border flights depends on the team receiving authorization from national authorities.
The team says it will ready the plane from May 2 and take off to Brussels when weather conditions are right.
The plane is expected at the 49th International Paris Air Show from June 20-26.
Related News

N.L. premier says Muskrat Falls costs are too great for optimism about benefits
ST JOHNS - Newfoundland and Labrador's premier says the Muskrat Falls hydro megaproject is currently too much of a massive financial burden for him to be optimistic about its long-term potential.
"I am probably one of the most optimistic people in this room," Liberal Premier Dwight Ball told the inquiry into the project's runaway cost and scheduling issues.
"I believe the future is optimistic for Newfoundland Labrador, of course I do. But I'm not going to sit here today and say we have an optimistic future because of the Muskrat Falls project."
Ball, who was re-elected on May 16, has been critical of…