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Are you ready to flirt with the edge of space?

Plane Light Propeller Propeller Front Avion 3D

When solar energy is scorching!

This summer of 2023 confirms it if confirmation were needed. By overexploiting fossil fuels, when solar energy is available on […]

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At the heart of the show in Paris

Exhilarating, but also moving and powerful! Taking part in the 54th International Paris Air Show last week in Le Bourget […]

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EBACE 2023: our simulator gave its pilots wings!

The sun shone on the European Business Aviation Convention & Exhibition last week when our whole team put our mission […]

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Plane Light Propeller Propeller Front Avion 3D

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 plane

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.


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.