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Most Boeing planes (though not the 787 discussed here) don't use fly-by-wire, so you could argue that the most essential control plane is perfectly isolated by
by stefan_ 7y ago
Most Boeing planes (though not the 787 discussed here) don't use fly-by-wire, so you could argue that the most essential control plane is perfectly isolated by virtue of not having any sort of network at all, just hydraulics into the cabin.
- blunte 7y agoBut wasn't the 737-max issue that a software system was forcing an elevator change to pitch the nose down? That sounds pretty fly-by-wire (even if hydraulics are involved).
- p_l 7y agoYou could say that the problem was lack of fly-by-wire - if 737-MAX had FBW, the necessary corrections would be bundled as part of flight envelope protection, and that tends to work pretty well and the required checks on FBW systems would catch stuff like "only one AoA sensor used". Instead we got MCAS which was messing with autotrim signals and escaped scrutiny.