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.

The crash involved a Bell 505 helicopter and took place at the Ririe Reservoir. The coroner said Bradford Brown, 59, of Utah died in the crash.

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.

Bradford Brown, CEO and founder of Utah-based ATL Technology, was killed in a helicopter crash on February 20 at Ririe Reservoir, according to authorities.

The coroner has identified the man who died after a helicopter crashed into the ice on Ririe Reservoir Thursday evening. Bonneville County Coroner Shante Sanchez identified the man as 59-year-old Bradford Brown from Alpine,

Bonneville County Coroner Shante Sanchez identified the deceased as 59-year-old Bradford Brown of Alpine, Utah. Brown, who owned the helicopter, was the CEO of ATL Technology, a Utah-based manufacturing company that partners with leading medical device firms.