Boeing 747-4Q8, G-VHOT
Report name:
Boeing 747-4Q8, G-VHOT
Boeing 747-4Q8, G-VHOT
Registration:
G-VHOT
G-VHOT
Type:
Boeing 747-4Q8
Boeing 747-4Q8
Location:
London Heathrow Airport
London Heathrow Airport
Date of occurrence:
07 December 2006
07 December 2006
Category:
Public transport - Fixed Wing
Public transport - Fixed Wing
Summary:
Taking off from London Heathrow, both stick shakers began to operate continuously shortly before V1. The commander elected to continue the takeoff and, after a period of troubleshooting in the air, dumped fuel and returned to land at Heathrow. Maintenance engineers consulted the aircraft BITE (Built-In Test Equipment) and replaced the right-hand ADC (Air Data Computer). The subsequent takeoff proceeded normally until approximately 5 kt before V1, when the stick shakers again began to operate. The commander immediately rejected the takeoff and the aircraft was stopped safely approximately two-thirds of the way along the runway. There was no damage or injury. This report includes a number of Safety Actions implemented by the operator and the aircraft manufacturer.
Taking off from London Heathrow, both stick shakers began to operate continuously shortly before V1. The commander elected to continue the takeoff and, after a period of troubleshooting in the air, dumped fuel and returned to land at Heathrow. Maintenance engineers consulted the aircraft BITE (Built-In Test Equipment) and replaced the right-hand ADC (Air Data Computer). The subsequent takeoff proceeded normally until approximately 5 kt before V1, when the stick shakers again began to operate. The commander immediately rejected the takeoff and the aircraft was stopped safely approximately two-thirds of the way along the runway. There was no damage or injury. This report includes a number of Safety Actions implemented by the operator and the aircraft manufacturer.
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