It will be the first ever manned night flight on a plane propelled exclusively by solar energy.
Bbc solar panel plane.
A solar powered plane is getting ready to hit the skies once again this time at night.
Media caption take off occurred at 23 30 gmt.
The flight should last about 48 hours.
A solar plane which can stay aloft for weeks at a time is to be manufactured by airbus in the uk.
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The unmanned craft flies high in the atmosphere to avoid commercial air traffic and adverse weather.
Media caption andre borschberg gives the bbc a guided tour of the solar plane.
The bbc s mark lobel reports from abu dhabi.
Image caption the financial services ombudsman said it had received 2 000 complaints about solar panels.
Bbc solar and more specialize in industrial commercial federal state and local government custom turnkey projects in water separation technologies solar outdoor led lighting systems and utility scale solar power solutions.
The carbon fibre aircraft has a huge wingspan which at 72m is wider than a boeing 747 jet.
An independent survey of mr thompson s system showed even after 20 years the income from.
A solar powered plane is expected to begin the first ever round the world trip of its kind on monday.
The zero fuel aeroplane solar impulse has left the egyptian capital cairo on the last leg of its global tour.