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Crash at CYYZ

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  • Originally posted by ACman
    by the time the plane had slid off the runway and come to a complete stop the wings were all mangled and destroyed, most likly preventing something like that happening.
    Well, from what I can tell from the pictures, the wings seem to be the least damaged area of the plane.

    But this whole line of speculation is useless. According to this, it could have never stopped in time, with or without spoilers/brakes/reversers.

    Originally posted by ACman
    As for the gear, I am aware of the locking mechanisim that locks the gear in place, but care to explain how this happend?

    Nothing is 100% fail safe.

    (BTW, is that the "gimli glider" in that pic?)

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    • Yes, that is a picture of the Gimli Glider.

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      • Wyhen did the Hydraulic systems "loose preasure"? If they did, the reversers wouldent be out and the nose hear would collapse along with the center gear.
        When the jet came to a stop in the ravine the engines stopped working, right? Most likely the pilot either shut down the APU or it did so for itself. Now you have nothing to build up hydraulic pressure, have you? Without this pressure the spoilers would retract from gravity, simply as that.

        The gear, as already pointed out, will be locked when extended so it stays out even without hydraulics. Otherwise you would have to keep an engine running when an aircraft is on the ground overnight. Wouldn't be too smart.

        For the Gimli Glider: There is a movie based on that film and if it is at least a bit real then the nosegear failed to lock in the "down" position. This resulted in it retracting when the aircraft touched down.


        The Tupolev Tu-114.
        World speed record holder for turboprop aircraft.

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        • Originally posted by Kwashiorkor
          For the Gimli Glider: There is a movie based on that film and if it is at least a bit real then the nosegear failed to lock in the "down" position. This resulted in it retracting when the aircraft touched down.
          The film is accurate about that aspect. Hitting a few "obstacles" on its way didn't help either

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          • Ok, to completely eradicate the idea of a loss of hydraulic pressure:

            "Post landing, as the aircraft wheels touch down, we see the brakes applied right away, we see the spoilers come up to slow down the plane, we see reverse thrusters fully deployed," Réal Levasseur told a mid-afternoon news conference as he released more data from the doomed Airbus 340-300 jet's flight recorders.
            Source

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