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Are you ready to flirt with the edge of space?

Plane Light Propeller Propeller Front Avion 3D

Bordier & Cie joins SolarStratos expedition as main sponsor

SolarStratos warmly welcomes aboard Bordier & Cie, a leading Swiss private bank, as main sponsor for its mission ‘To the […]

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Season’s Greetings and Happy New Year!

Aircraft optimisation Winter is not conducive to flying, but it does give our technical team time to fully analyse all […]

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Seven hours in a spacesuit!

The pressurised spacesuit is tested Our pilot, Raphaël Domjan and CEO, Roland Loos, visited our partner Zvezda in Moscow this […]

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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.