Date: February 25, 1994
Time: 1946
Location: East Midlands, England
Operator: British World Airways
Flight #: 4272
Route: Edinburgh - Coventry
AC Type: Vickers 813 Viscount
Registration: G-OHOT
cn / ln: 349
Aboard: 2   (passengers:0  crew:2)
Fatalities: 1   (passengers:0  crew:1)
Ground: 0
Summary: The cargo plane struck trees and high terrain after losing three engines during severe icing. Multiple engine failures occurred as a result of flight in extreme icing conditions. Incomplete performance of the emergency drills by the crew, as a result of not referring to the Emergency Checklist, prejudiced the chances of successful engine re-starts. Crew actions for securing and re-starting the failed engines, which were not in accordance with the operator's procedures, limited the power available. The drag from two unfeathered propellers of the failed engines and the weight of the heavily iced airframe resulted in a loss of height and control before the chosen diversion airfield could be reached. Poor Crew Resource Management reduced the potential for emergency planning, decision making and workload sharing. Consequently, the crew had no contingency plan for the avoidance of the forecast severe icing conditions, and also was unaware of the relative position of a closer diversion airfield which could have been chosen by making more effective use of air traffic services.

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