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| Re: Plane crash in the alps (1274563) | |||
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Re: Plane crash in the alps |
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Posted by cortelyounext on Tue Mar 24 15:02:32 2015, in response to Re: Plane crash in the alps, posted by DanD124 on Tue Mar 24 14:28:24 2015. I last flew Airbus A319/320s in 2008 so my memory is faulty but suffice that generally speaking your statement - safeguards that make it more difficult for pilots to do things that are unsafe - has merit. Any airplane can be stalled/depart controlled flight but the advancement in technologies attempt to minimize that outcome. The 320 has the complicated Flight Control Laws (I outlined the laws in a thread some years ago) which provide progressively degraded response due to the almighty "multiple failures of redundant systems" - I can see that phrase in my sleep. In Normal Law, IIRC you cannot stall the airplane except for a perfect storm scenario; that is, you can pull back the Sidestick to its limit and the plane will respond up to a point but not beyond. ALPHA Floor/TOGA Lock are Airbus terms which describe automatic systems that respond to approaching stall conditions. The Boeing 737NGs, which I fly now, have various systems to preclude the same situation from occurring or at to least provide additional time, things such as SMYD (Stall Management/Series Yaw Damper), Elevator Shift Module, Speed Trim System (STS), and leading edge devices (flaps and slats) that automatically extend without pilot input when aerodynamics warrant. The Airbus has a similar system. So yes. As for the accident, I am going to remain true to my standard of not offering any commentary at this early point. Even when things seem obvious, often times... |
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