A Volaris A321 lost both ELAC's and had to return to Mexico City. WIth both ELAC's offline, the ailerons are useless (damping mode) so the SEC's control roll via roll spoilers alone. Autopilots are lost and the law degrades to Alternate.
We touched on this trying to unravel rumors about the AirAsia crash. How can you lose both ELAC's simultaneously (or nearly simultaneously)? It would have to involve either a common electrical failure or a massive coincidence (or a manual shutdown). But each is powered from a separate bus...
....?
We touched on this trying to unravel rumors about the AirAsia crash. How can you lose both ELAC's simultaneously (or nearly simultaneously)? It would have to involve either a common electrical failure or a massive coincidence (or a manual shutdown). But each is powered from a separate bus...
....?
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