AAIB investigation to Airbus Helicopters EC120B Colibri, G-SWNG
Right engine cowling opened during landing and struck the main rotor blades, Wellesbourne, Warwickshire, 17 August 2017.
Summary:
The right engine cowling opened and struck the main rotor blades as the helicopter flared to land. The incident was caused by the three cowling latches remaining unlocked after maintenance completed prior to the flight. The pilot did not complete a walkaround inspection, prior to the flight, which should have identified the unlocked latches.
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Published 8 March 2018