Swiss pilot surpasses solar-powered plane altitude record
GENEVA, Switzerland: Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 metres, his team announced Wednesday.
The SolarStratos plane made the landmark flight from Sion airport in southwest Switzerland on Tuesday, taking advantage of warm air thermals to go beyond the 15-year-old record.
The certified altitude record for a solar plane had stood at 9,235 metres (30,298 feet). It was set in 2010 by the Solar Impulse plane, with Swiss pilot Andre Borschberg at the controls.
Swiss pilot Raphael Domjan gives a thumb up prior to take off in his first attempt of the season at setting a new aviation record by reaching an altitude of 10,000 metres onboard the solar-powered plane SolarStratos at the Sion airport, in Sion, southwestern Swizterland on August 8, 2025. Swiss pilot Raphael Domjan surpassed the previous altitude record for a solar-powered electric plane, his team announced on August 13, 2025 after a flight that took him soaring to 9,521 metres. — AFP
Domjan's flight lasted five hours and nine minutes.
"I share this moment of joy with all the people who have been preparing for this achievement for years," he said, celebrating afterwards with the melted cheese of a traditional Swiss raclette.
The data will be sent to the World Air Sports Federation governing body, which will decide whether to validate the new record.
"It is the pressure altitude corrected to standard density altitude that is recognised as the official reference for aviation altitude records," the SolarStratos team said in a statement.
Domjan is aiming to be the first to take a solar-powered plane above 10,000 metres -- flying at the same altitude as airliners.
If this barrier is broken, the team hopes to go on and make a first manned solar-powered flight into the stratosphere, which at Switzerland's latitude begins at around 12,000 metres.
"This achievement marks a major milestone on the path toward reaching the stratosphere using only solar power -- and already fulfils the mission's goal: to capture imaginations with emblematic, spectacular challenges that promote solar energy and the protection of our biosphere and planet," SolarStratos said. — AFP
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