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Solarstratos

Are you ready to flirt with the edge of space?

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News

A month for the history books

Three officially ratified world records, a legendary medal, a documentary premiered in Yverdon and Paris, and an institutional partner renewing […]

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It’s official: SolarStratos makes history with three world records

9,640 metres. That’s the altitude Raphaël Domjan reached aboard SolarStratos on 12 August 2025. The Fédération Aéronautique Internationale has just […]

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“A youthful dream come true”

History in the making: the inventor of solar aviation aboard SolarStratos The September flight campaign went as planned for the […]

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The challenge

Travelling to the edge of the planet using only renewable energy

The aim is to protect our planet’s climate from greenhouse gases by demonstrating that concepts and projects that seemed inconceivable a short time ago are now possible with the technologies available today.

The plane

Stratospheric solar airplane

The team

A team of passionate and highly specialised people

Multi-skilling is a must in such an experimental project. The team consists of a mix of aeronautical engineers, pilots, builders and others.

Partners

SolarStratos is supported by numerous Swiss companies

The team aims to be international, but is committed to its national roots.

Be part of it

Experience this 21st century eco-exploration

By becoming a member of the “SolarStratos” club, you help promote and support our challenge.