next phase: the solar flight tests, André Borschberg announced. During the current tests, which are primarily intended to provide information on the handling of the prototype, acceleration and braking distance as well as propulsion, the solar panels have not yet been connected. In the next few weeks HB-SIA will be dissembled and made ready for the move to Payerne. It is from there that the airplane will make its test flights powered by solar energy in early 2010 right through to the first …... more