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Solarstratos

Are you ready to flirt with the edge of space?

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News

Hibernation does not mean inaction!

Inspections, optimisations, and… promotion With over 100 flights completed and its biggest challenges on the horizon in 2025, HB-SXA certainly […]

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Solar power, wings for tomorrow

Towards a solar-powered world The figure released by the Swiss Federal Office of Energy for 2023 is striking—and exciting. New […]

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Beyond the frustration

Fantastic campaign above the Alps Our Alpine summer flight campaign has come to a close without accomplishing our 10,000m objective. […]

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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.