This preliminary report that was not meant to be made public has more leaks than a sieve.
JAKARTA (BLOOMBERG) - The pilots of AirAsia flight QZ8501 cut power to a critical computer system that normally prevents planes from going out of control shortly before it plunged into the Java Sea, two people with knowledge of the investigation said.
The action appears to have helped trigger the events of Dec 28, when the Airbus A320 climbed so abruptly that it lost lift and began falling with warnings blaring in the cockpit, the people said. All 162 aboard were killed.
The pilots had been attempting to deal with alerts about the flight augmentation computers, which control the A320's rudder and also automatically prevent it from going too slow. After initial attempts to address the alerts, the flight crew cut power to the entire system, which is comprised of two separate computers that back up each other, the people said.
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AirAsia flight QZ8501: Pilots disabled critical computers just before crash, say sources - South-east Asia News & Top Stories - The Straits Times