High flyer: Swiss firm H55 wins funds for new electric plane project

High flyer: Swiss firm H55 wins funds for new electric plane project

H55 was co-founded by André Borschberg, a key figure in Switzerland's Solar Impulse project.

Solar Impulse team reveals plans for unmanned plane

Solar Impulse team reveals plans for unmanned plane

Swiss Post gives stamp of approval to Solar Impulse

Swiss Post gives stamp of approval to Solar Impulse

Solar plane completes epic round-the-world trip

Solar plane completes epic round-the-world trip

World touring solar plane’s final departure to UAE delayed

World touring solar plane’s final departure to UAE delayed

Swiss solar plane sets off on penultimate leg

Swiss solar plane sets off on penultimate leg

Swiss solar plane completes historic Atlantic crossing

Swiss solar plane completes historic Atlantic crossing

Swiss solar plane soars over Atlantic ocean

Swiss solar plane soars over Atlantic ocean

Swiss solar plane continues historic trip

Swiss solar plane continues historic trip

Swiss solar plane crosses Pacific into California

Swiss solar plane crosses Pacific into California

Solar Impulse plane makes first maintenance flight

Solar Impulse plane makes first maintenance flight

Swiss solar plane set to resume flight in April

Swiss solar plane set to resume flight in April

Solar Impulse grounded in Hawaii for repairs

Solar Impulse grounded in Hawaii for repairs

Solar Impulse 2 reaches Hawaii to make history

Solar Impulse 2 reaches Hawaii to make history

Solar Impulse 2 nears Hawaii on historic flight

Solar Impulse 2 nears Hawaii on historic flight

Solar Impulse pilot fights fatigue close to Hawaii

Solar Impulse pilot fights fatigue close to Hawaii

Solar Impulse passes halfway mark to Hawaii

Solar Impulse passes halfway mark to Hawaii

Solar Impulse reaches quarter of way to Hawaii

Solar Impulse reaches quarter of way to Hawaii

Solar Impulse heads to Hawaii as weather clears

Solar Impulse heads to Hawaii as weather clears

Solar plane ‘could remain stuck in Japan for a year’

Solar plane ‘could remain stuck in Japan for a year’

Solar Impulse team scrubs Japan take-off

Solar Impulse team scrubs Japan take-off

Solar Impulse set to leave Japan for Hawaii

Solar Impulse set to leave Japan for Hawaii

Solar team seek ‘weather window’ to leave Japan

Solar team seek ‘weather window’ to leave Japan

Solar Impulse team faces ‘moment of truth’

Solar Impulse team faces ‘moment of truth’

Wing damage grounds Solar Impulse in Japan

Wing damage grounds Solar Impulse in Japan

Solar Impulse in danger of blowing away

Solar Impulse in danger of blowing away

Solar Impulse sets record with Japan flight

Solar Impulse sets record with Japan flight

Bad weather forces Solar Impulse to fly to  Japan

Bad weather forces Solar Impulse to fly to Japan

Solar Impulse 2 sets off across Pacific Ocean

Solar Impulse 2 sets off across Pacific Ocean

Weather worries again delay Solar Impulse trip

Weather worries again delay Solar Impulse trip

Weather delays Pacific leg of solar plane’s flight

Weather delays Pacific leg of solar plane’s flight

Solar Pacific crossing a ‘human challenge’

Solar Pacific crossing a ‘human challenge’

Solar Impulse finishes sixth stage in Nanjing

Solar Impulse finishes sixth stage in Nanjing

Solar Impulse pilot seeks Swiss medical check

Solar Impulse pilot seeks Swiss medical check

Weather in China slows Solar Impulse’s progress

Weather in China slows Solar Impulse’s progress

Solar Impulse flies to China on fifth flight

Solar Impulse flies to China on fifth flight

Solar plane pauses before flight to China

Solar plane pauses before flight to China

Solar Impulse 2 leaves India on fourth flight

Solar Impulse 2 leaves India on fourth flight

Solar Impulse pilot raps Indian red tape delays

Solar Impulse pilot raps Indian red tape delays

Swiss claim new solar plane distance record

Swiss claim new solar plane distance record

Solar Impulse 2 lands in Gujurat after sea leg

Solar Impulse 2 lands in Gujurat after sea leg

Swiss solar plane touches down in Oman

Swiss solar plane touches down in Oman

Solar Impulse round-the-world flight takes off

Solar Impulse round-the-world flight takes off

Solar Impulse world trip set for Abu Dhabi start

Solar Impulse world trip set for Abu Dhabi start

Solar Impulse nears round-the-world takeoff

Solar Impulse nears round-the-world takeoff

Solar Impulse unveils round-the-world route

Solar Impulse unveils round-the-world route

Solar Impulse heads to Emirates in pieces

Solar Impulse heads to Emirates in pieces

Solar Impulse 2 makes problem-free test flight

Solar Impulse 2 makes problem-free test flight

Solar Impulse team show off new fuel-free plane

Solar Impulse team show off new fuel-free plane

Swiss adventurer aims to fly plane to edge of space

Swiss adventurer aims to fly plane to edge of space

Solar Impulse co-founder in helicopter crash

Solar Impulse co-founder in helicopter crash

Solar aircraft returns from cross-US flight

Solar aircraft returns from cross-US flight

Solar airplane completes US trip in New York

Solar airplane completes US trip in New York

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Solar Impulse completes stage in cross-US flight

Solar Impulse flies in wake of US tornadoes

Solar Impulse flies in wake of US tornadoes

Swiss solar-power plane set for trans-US flight

Swiss solar-power plane set for trans-US flight

Solar Impulse plane heads to US in jumbo jet

Solar Impulse plane heads to US in jumbo jet

Solar plane returns home after historic flight

Solar plane returns home after historic flight

Solar plane on final leg of intercontinental flight

Solar plane on final leg of intercontinental flight

Swiss pilot makes history in solar plane

Swiss pilot makes history in solar plane

Solar plane completes 72-hour simulated flight

Solar plane completes 72-hour simulated flight

Swiss solar plane will try 48-hour flight to Morocco

Swiss solar plane will try 48-hour flight to Morocco

Solar impulse to head to Africa

Solar impulse to head to Africa

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Swiss solar plane takes off for Morocco

Take-off for sun-fuelled intercontinental flight

Take-off for sun-fuelled intercontinental flight

Swiss solar-powered plane to fly to desert

Swiss solar-powered plane to fly to desert

Swiss solar plane pilot in successful desert flight

Swiss solar plane pilot in successful desert flight

High winds ground Swiss solar plane’s flight

High winds ground Swiss solar plane’s flight