The Aero Trasporti Italiani Flight 460 was a flight that crashed on 15 October 1987 in Conca di Crezzo, Italy, that took the lives of 34 passengers and 3 crew. The aircraft took off from Milan-Linate (LIN) for a flight to Cologne (CGN). Icing conditions existed. Fifteen minutes after takeoff, while climbing through FL147 in IAS hold mode (constant speed set at 133 kts) the aircraft rolled left and right. The plane rolled 41deg right, 100deg left, 105deg right and 135deg left. During pull up three anomalous pitch trim movements set the elevator to pitch down and preventing recovery.
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