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Training for complex stall warning recovery events

Training for complex stall warning recovery events

Qantas has incorporated more complex stall warning recovery events in recurrent lesson plans for its Boeing 747 flight crews.

The improvements follow an ATSB investigation into an in-flight upset involving a Boeing 747-438 110 km south-east of Hong Kong International Airport on 7 April 2017.

While descending toward Hong Kong, air traffic control instructed the flight crew to hold at a waypoint. When entering the holding pattern, the aircraft’s aerodynamic stall warning stick shaker activated a number of times and the aircraft experienced multiple oscillations of pitch angle and vertical acceleration.

During the upset, some passengers and cabin crewmembers struck the cabin ceiling and furnishings, sustaining minor injuries.

The ATSB found that while planning for the descent, the flight crew overwrote the flight management computer-provided hold speed. After receiving a higher than expected hold level, the flight crew did not identify the need to re-evaluate the hold speed. This was likely because they were not aware of a need to do so, nor were they aware that there was a higher hold speed requirement above flight level 200.

Read the full article on the ATSB website

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