The Si2 plans to makes stops in India, Burma, China, the U.S. and Europe or North Africa before completing its global trek in Abu Dhabi sometime in late July or August. The plane will stay in China for about a month to catch more of the sun's energy.
The pilots have been training hard for some legs of the trip when they'll have to fly five days and five nights solo, such as over the Pacific and Atlantic oceans.
Borschberg has been practicing yoga and Piccard, self-hypnosis, in order to calm their minds and manage fatigue during the long solo flights. They aim to take no more than 12 naps no longer than 20 minutes in one 24-hour period. They also have goggles that will flash lights to wake them up.