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A comment on 737 Max Explanation by a Software Engineer. Parent comment

Re:737 Max Explanation by a Software Engineer by inferiorhuman on Monday March 18, 2019 @12:08AM (#19418626)
This sort of MCAS failure presents itself to the crew as a trim runaway

No, it doesn't and that's the problem. A runaway won't stop when you hit the trim buttons.

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Re:737 Max Explanation by a Software Engineer by WalterBright on Monday March 18, 2019 @01:39AM (#19418917)
> A runaway won't stop when you hit the trim buttons.

Depends on what causes the runaway. If the autopilot goes berserk, the trim buttons will override it (if I recall correctly, it's been a long time).

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