The first sun energy airplane pilot-controlled in the world
Night-flying to this machine provide lithium-polymeric accumulators by total weight by 400 kilograms.
HB-SIA will start to fly this summer. Then the series of tests (autumn). Probably, already in 2010, the first continuous flight will take place during 36 hours with the use of exceptionally sun energy.
New HB-SIA will build in 2011 year. He will be heavier and will use more alternative energy.
In 2012 years will make attempt to fly around Earth, reports membrana.ru.