Air France 447 Probe Raises Questions about Stall Warning Ergonomics
The pilots did not recognize that pitch-up control inputs on the sidestick were robbing the A330 of its kinetic energy before the stall, the BEA said, thus making them even less prepared for the upset that was to follow.
The pilots did not recognize that pitch-up control inputs on the sidestick were robbing the A330 of its kinetic energy before the stall, the BEA said, thus making them even less prepared for the upset that was to follow.

The final report on the crash of Air France Flight 447 is giving ergonomics specialists food for thought. One area of particular focus has been the stall warning, which the report says the crew ignored. BEA investigators have suggested several factors that might explain why the crew did not react to the alarm, despite its sounding more than 70 times as the Airbus A330-200 descended at up to 11,000 feet per minute, at angles of attack ranging between 35 and 45 degrees.

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