Mercury to transit across sun in MaySolar-powered plane lands in California after Pacific crossing

'The Pacific is done, my friend. I love it, but it's done' says clearly relieved Swiss adventurer Bertrand Piccard

Afp April 24, 2016

MOUNTAIN VIEW, CALIFORNIA, US: Solar Impulse 2, an experimental plane flying around the world without consuming a drop of fuel, landed Sunday in California, one leg closer to completing its trailblazing trip.

"The Pacific is done, my friend. I love it, but it's done," said clearly relieved Swiss adventurer Bertrand Piccard, who piloted from Hawaii to California, just before landing.

The arrival at Moffett Airfield marked the completion of the ninth of 13 legs in a journey that began last year in the United Arab Emirates.

Piccard, 58, has been alternating the long solo flights with teammate Andre Borschberg, and flew the challenging mission from the central Pacific to this Silicon Valley town southeast of San Francisco, California.

Solar Impulse 2 resumes round-the-world flight

The goal of the flight is to promote the use of renewable energy with an aircraft powered by 17,000 solar cells.

The plane's wingspan is wider than that of a jumbo jet but its weight is roughly the same as a car's, thanks to its light construction.

The long flight, which had its landing delayed by over two hours,  represented a technical "challenge," Piccard said at the journey's outset.

The Pacific crossing is the most dangerous due to a lack of landing sites in the event of an emergency.

Piccard explained Saturday that he could not sleep more than 20 minutes at a time "because after 20 minutes you have to wake up and control everything and if everything goes well then you can go back to sleep."

The Swiss pilot, who is on a mission to promote alternative energy, said he believed that electric-powered planes carrying up to fifty passengers short distances would be possible within ten years.

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But he said passenger aircraft with solar-powered batteries would not be viable for commercial aviation.

The SI2 was grounded in July last year when its batteries suffered problems halfway through its 21,700-mile (35,000-kilometer) circumnavigation.

The crew took several months to repair the damage from high tropical temperatures during the flight's first Pacific stage, a 4,000-mile flight between Japan and Hawaii.

Mercury to transit across sun in May

The aircraft was flown on that leg by Borschberg, whose 118-hour journey smashed the previous record of 76 hours and 45 minutes set by US adventurer Steve Fossett in 2006.

The plane is now expected to cross the United States, stopping in New York before a trans-Atlantic flight to Europe, from where the pilots plan to make their way back to the point of departure in Abu Dhabi.


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