Transcript for Solar Impulse's Possible Flight Path After Pacific Crossing

Pilots of the solar airplane or taking a breather in California after a tense three day flight over the Pacific sounds like a much needed breather the experimental aircraft is halfway toward hitting its goal of flying all the way around the world. Cornell Bernard of our San Francisco station spoke to the pilots. Sky seven HD captured the amazing sight the world's First Solar powered airplane flying over the Golden Gate Bridge completing a two day flight across the Pacific from Hawaii and going through them. And they keep your told to them because I knew I could have carried on. Pilot for transfer card flew the giant aircraft over the Bay Area for several hours Saturday until wind conditions were right for a landing at Moffett field it was a hero's welcome. Driving to the golden gate than thinking. Though it's a new era sold or impulse to might be the world's largest experimental aircraft. Its wingspan lark true that a 747. And weighing about as much as an SUV. Roughly 5000 pounds he poured. What's the evidence being says he said Levy continuance which gets its believed she every day. But he gave with the breath of the nights that you nor did he do that's yet it has been extremely good if you decent. Alternating pilot Andrei bourse chart says the plane is equipped with seventeen solar cells which powered the propellers and charge batteries. A Swiss nonprofit renewable energy group put the 170. Million dollar project together. Thanks to private sponsors like Google. But it's a solar plane really practical these entrepreneurs. Say yes. The Wright Brothers you have no technology to simple lesson insurance when this adulthood and some people who as saying its use less. And it nevertheless 66 years later there were two men on the moon and ally there is everywhere on the world. Solar impulse to left Abu Dhabi last year and returning their around the world is the gold next stop this Phoenix then New York. For now the plane and its pilots are recharging their batteries at Moffett field Cornell Bernard ABC 7 NEWS.

This transcript has been automatically generated and may not be 100% accurate.