Final Report AT45 (AP-BHO) en route north of Islamabad Pakistan 7 Dec 2016

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AIB Pakistan
Airworthiness, Human Factors, Loss of Control, Post Crash Fires
Date of publication: 

On 7 December 2016, the crew of an ATR 42-500 lost control after airworthiness-related complications followed shutdown of the left engine whilst in the cruise and high speed terrain impact followed. The Investigation concluded that three pre-existing faults with the left engine and its propeller control mechanism had led to a loss of power which had necessitated its shutdown but that these faults had then caused much higher left side drag than would normally result from an engine shutdown and made it progressively more difficult to maintain control. Recovery from a first loss of control was followed by another without recovery.

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