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Solarstratos

Are you ready to flirt with the edge of space?

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News

Solar-Electric Aviation Made Simple

Understanding how SolarStratos flies on solar power, without a single drop of kerosene. What is solar-electric aviation? Imagine an aircraft… […]

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A Second Flight Campaign Filled with Firsts

The second flight campaign of the 2026 season concluded late last week at the Payerne runway. Over the course of […]

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A Busy Week for SolarStratos as It Takes to the Skies Again

A Busy Week for SolarStratos as It Takes to the Skies Again and Confirms Its Unique Status as a Solar-Powered […]

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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.