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Pioneer Spirit Drives Swiss Solar-Powered Plane Altitude Attempt

Raphael Domjan reached 9,521 metres in SolarStratos, surpassing the 2010 record of 9,235 metres in a five-hour flight demonstrating solar aviation potential.

  • On Sunday, the SolarStratos, with a 24.8-metre wingspan, set a new high-altitude record at 9,235 metres, AFP reports.
  • Before this flight, the solar plane record was set at 9,235 metres in 2010 by the Solar Impulse plane flown by Andre Borschberg, and Domjan aims to reach the 10,000-metre barrier, AFP reports.
  • The SolarStratos plane, with a 24.8-metre wingspan and 22 square metres of solar panels, endured a five hours and nine minutes flight.
  • Following the flight, Domjan said the data will go to the World Air Sports Federation for validation, noting pressure altitude corrected to standard density altitude is recognized for official records.
  • Domjan plans another attempt on Wednesday when conditions look more promising, AFP reports.
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A Swiss pilot has set a new altitude record for a solar aircraft: Raphaël Domjan rose to 9521 metres with his Solarstratos machine

·Vienna, Austria
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The solar-powered SolarStratos will soon be aiming for the stratosphere to prove that solar energy can be a widely used energy source in aviation.

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Swiss pilot takes big step closer to solar plane altitude record

Swiss pilot Raphael Domjan got within around a thousand metres of setting a new altitude record in a solar-powered plane on Sunday as he chases the goal of breaking the 10,000 metres barrier.

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TechXplore broke the news in on Friday, August 8, 2025.
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