Because the 737 Max had been outfitted with larger new engines that could cause its nose to pitch dangerously skyward, Boeing had added a Maneuvering Characteristics Augmentation System, or M.C.A.S., that would kick in and push the nose down if necessary. But a faulty sensor fed incorrect information to the Lion Air flight’s M.C.A.S., causing it to put the plane into a steep dive. Pilots on at least two flights in the United States reported similar problems, but in those cases they were able to disengage the system and recover control of the plane.
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timeasmymeasure
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Date: 2019-03-14 06:40 pm (UTC)https://www.nytimes.com/2019/03/14/opinion/business-economics/boeing-737-max.html