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Are you ready to flirt with the edge of space?

Plane Light Propeller Propeller Front Avion 3D

Solar energy: the greatest gift of all

As 2022 draws to a close, although the climate situation is serious, it is a time to celebrate. The oppressive […]

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Hot October: fasten your seatbelt !

Sunshine in October saw the successful completion of the 2022 test flights After the summer’s record-breaking sunshine, October brought even […]

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Here we go again!

The holidays are over The holidays are over, and SolarStratos is back to business. The team is reunited in Payerne […]

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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.