It looks like an older accident, a skiplane went astray and hit and injured a skier:
Skier hit by plane in French Alps | World news | The Guardian
I don't know this locale, but I do know that ski flying involves reduced maneuverability, and particularly stopping, thus lots of space is required. I suspect that a steep slope complicates things terribly. I'll be keeping this in mind again, as ski flying season begins here soon...