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You're talking about a GA aircraft autopilot, modern airliners go way beyond that. I don't know about the 777 but I believe all newer Boeings are FBW. Airbus ha
by vultour 5y ago
You're talking about a GA aircraft autopilot, modern airliners go way beyond that. I don't know about the 777 but I believe all newer Boeings are FBW. Airbus has been FBW since forever. I'm mostly familiar with the A320 but that things is pretty much impossible to stall under normal operation no matter how much you misconfigure the autopilot.
- krisoft 5y agoNo I am not only talking about GA aircraft. What do you think is going to happen if you turn off the autothrottle, manually set the throttles to idle and set the AFDS to vertical speed mode with a positive climb rate? Here[1] is an NTSB report detailing how the AFDS and the A/T work together in a Boeing 777. They enumerate several different combinations in which the autothrottle does not provide stall protection. It also calls out as contributing factor the crew’s mistaken belief that the airplane is pretty much impossible to stall. 1: https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR1401.pdf https://www.ntsb.gov/investigations/AccidentReports/Reports/...
- vultour 5y agoAs I said, I was talking about the A320. You get alpha floor protection which triggers TOGA thrust even with the autothrottle disabled. I would have hoped newer Boeings offered similar protections, the 737 always struck me as being super "analog" compared to the A320.