AAIB investigation to Boeing 737-8B6, CN-RGJ
Late rotation, London Gatwick Airport, 28 February 2020.
Summary:
During the takeoff roll the “V1” automatic call did not occur and the takeoff speeds were not displayed on the Primary Flight Display (PFD). The aircraft rotated 37 kt above the correct speed for this departure and 120 m from the end of the runway. It is likely that the flight crew did not enter speeds into the Flight Management Computer (FMC) or inadvertently deleted them after they had been entered.
The incident shows that automatic calls may not always work as the flight crew expect and they should be ready to respond appropriately.
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Published 10 September 2020