In 1993 Rossy began skysurfing and diving with wingsuits. In 1999 experimented with inflatable wings.
In 2003 Rossy straps jet engines to wings but fails to fly.
In 2006 was the first (unpowered) flight with two engines on fixed wings. In November 2006 was the first successful flight, of 6 minutes with four engines.
In November 2010 Rossy performs aerial loops on a newly developed model.
20 May 2011 – Rossy flew across the Grand Canyon.