aviation incident: BOMBARDIER LEARJET CORP. 35A near Anchorage (2012-03-06)
Probable cause: The flightcrew's loss of visual reference to the runway after encountering severe in-flight icing conditions, which resulted in a loss of control while landing and exceedence of the capabilities of the airplane's windscreen anti-ice systems. Contributing to this incident was the failure of the approach controller to relay a pilot report of severe icing conditions near the route of flight to the incident flight crew.