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The Four-Second Catastrophe: How Boeing Doomed the 737 MAX

Source: WSJ:
August 16, 2019 at 16:29
WSJ / Copyrights
WSJ / Copyrights
In designing the plane’s flight controls, the aerospace giant assumed that pilots should be able to sift through a jumble of contradictory warnings and take the proper action 100% of the time within four seconds. That’s about the amount of time that it took you to read this sentence.

Almost as soon as the wheels of Ethiopian Airlines Flight 302 spun free from the runway March 10, the instruments in front of Capt. Yared Getachew went haywire.

The digital displays for altitude, airspeed and other basic information showed dramatically different readings from those in front of his co-pilot. The controls in Capt. Getachew’s hands started shaking to warn him the plane was climbing too steeply and was in imminent danger of falling from the sky.

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