An 83-year-old man died from injuries sustained in a skiing accident Monday at Aspen Snowmass in which officials believe he skied off the deck of a half-pipe.

The Montrose man, who has not yet been publicly identified, was found unconscious around 9:15 a.m. Monday in the half-pipe at Snowmass, according to a statement from Jeff Hanle, spokesman for the ski resort.

The victim was wearing a helmet at the time of the accident, Hanle said.

The ski patrol responded, initiated trauma protocol and transported the man to an ambulance.

“We learned later from his family that he had been transferred to St, Anthony’s Hospital in Denver and died Wednesday evening,” Hanle said. “Our deepest sympathies are with his family at this time.”