Why Austrian extreme athlete Felix Baumgartner crashed with his paraglider remains unclear. However, prosecutors are now certain that the 54-year-old died on impact.

The famous adventurer died while paragliding on Italy’s Adriatic coast. His legacy includes a number of world records—including his iconic jump to Earth from the edge of space.

Felix Baumgartner, the first person to fall faster than the speed of sound, died at 56 after crashing into a hotel swimming pool while paragliding in Italy.