All expeditions

Crossing the Atlantic and Pacific Oceans aboard the solar-powered catamaran “NOVA”

“Albatross – around the world on solar energy”

Project complete

A Solo circumnavigation of the Southern Hemisphere on the Rowboat “AKROS”

Circumnavigation on a crewed monohull for the jules verne trophy

Twice around the world – nonstop

Hot-air balloon high-altitude record attempt

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