Date: October 06, 1955
Location: Near Centennial, Wyoming
Aircraft: Douglas DC-4
Reg: N30062
Airline: United Air Lines
Flight No: 409
Fatalities: 66: 66

The DC-4 crashed into cloud covered Medicine Bow Peak while en route. The pilot deviated from course for reasons unknown. Possible incapacitation of crew by carbon monoxide emanating from a faulty cabin heater, though never proven.