AAIB investigation to AW109SP GrandNew, G-FRRN
Engine started with rotor brake on, London Heliport (Battersea), 19 November 2018.
Summary:
The pilot was starting the helicopter in order to depart from the heliport before it closed. Having completed his checks and been given permission to start, the pilot started the No 1 engine. He was alerted by the marshaller and by ATC that smoke was coming from the rotor head. He shut down the engine and, whilst completing the checks, noticed that the rotor brake was on.
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