Michael Schumacher was airlifted from the slopes of Méribel in the French Alps to Grenoble University Hospital on 29 December 2013 after suffering catastrophic head injuries in a skiing accident, and now, more than a decade later, the helicopter pilot who flew the seven-time Formula 1 world champion has broken his silence about that day. Schumacher was skiing off-piste with his son in the winter of 2013 when he struck his head on a rock, sustain…