Copper Mountain, CO – A 51-year-old skier died on Friday night after falling head first on a snow-covered tree stump while skiing the previous weekend at Copper Mountain in Colorado.

Donald Hinckley was pronounced dead just before midnight at St. Anthony Hospital in Lakewood, Colo., of a traumatic brain injury and fractured neck, according to Summit County coroner Joanne Richardson. Hinckley was skiing Copper’s Far East run on Jan. 14 when the incident occurred.

Hickey was wearing a helmet at the time of the incident.