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>This is the million dollar question. Why didn't the pilots turn off the system and fly in "legacy mode" like they would if they were flying the prior revision
by _bear 8y ago
>This is the million dollar question. Why didn't the pilots turn off the system and fly in "legacy mode" like they would if they were flying the prior revision of the 737.
As a pilot, if my plane is doing something which I don't expect it to - my first thought isn't to disable auto-trim, but to consider why it's doing that. A previous crew did have the issue, and did report the problem. As a pilot, I trust that it has been fixed, so no, it wouldn't be the first thing on my mind.
- ithinkinstereo 8y agoFrom what I understand from reading PPrune forums, pulling the circuit breaker for trim irregularities is the de facto standard operating procedure on the 737, and has been for over a decade+. Hopefully they find the CVR and that gives us more insight into what the crew was thinking. It is odd that the pilots struggled with trim controls for ~11 minutes and didn't think to disable it. The media has focused on the new MCAS system on the 737-Max, but I think that is somewhat irrelevant, considering that the procedures for addressing trim irregularities non-Max models are the same: pull the trim circuit breaker.