It is almost impossible to separate the career stories of the Grauwels brothers David and Andy from each other. Their names stand for Hayabusa, the team that made the history in formation skydiving, and Hayabusa has never been without David and Andy Grauwels.

David Grauwels is the perfect example for a Flyer who got addicted and then went through whatever it would take to become a World Champion. What separates him and his brother Andy from most other individuals with the same or similar goals is a simple fact: they really became FS4 World Champions!