 The aircraft was attempting a landing at the Cheyenne Municipal Airport, near Cheyenne, Wyoming, while en route from Midland, Texas to an air show in Missoula, Montana.Eyewitness reports indicate the aircraft lost power to one engine on final approach and ploughed through a chain link fence before colliding with a building under construction.Killed were CAF pilot Neil R. Stamp and co-pilot Charles S. Bates.