Authorities confirm one person is dead, and another critically injured, following a small plane crash -- about 10:30 Thursday morning -- just to the edge of Highway 89, in Spanish Fork Canyon.

Details remained limited following the incident.  Authorities did not immediately know whether other passengers were aboard the aircraft.

The Utah County Sheriffs Department reports, someone contacted the Salt Lake airport -- moments before the crash landing -- claiming their was a fire inside the plane.

The investigation into the cause of the crash is continuing.

The injured person was transported, by helicopter, to Utah Valley Hospital.