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.

Multiple agencies responded with Bonneville County Sheriff’s Deputies to the Ririe Reservoir this afternoon at approximately 4:40 p.m. to a report of a helicopt

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