First responders traveled to the site using snowmobiles and found two people inside the helicopter, authorities said. One was dead, and the other was taken to a hospital.

Emergency personnel responded to a helicopter crash at Ririe Reservoir east of Idaho Falls. One occupant died at the scene; another was hospitalized with non-life-threatening injuries.

According the FAA, the deadly crash involved a Bell 505 helicopter and took place at the Ririe Reservoir in Rexburgh, northeast of Idaho Falls.