Re: Airbus A320 flight controls

From:         Bradg@io.org (Brad Gillies)
Organization: Internex Online, Toronto, Ontario, Canada (416 363 3783)
Date:         06 Feb 96 14:15:39 
References:   1 2
Followups:    1
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In article <airliners.1996.105@ohare.Chicago.COM>,
   rdd@netcom.com (Robert Dorsett) wrote:

>The joystick is not coupled.  That means that the two joysticks are com-
>pletely independent critters.  Their inputs are algebraically added.  If
>one pilot pulls full-left and the other full-right, nothing will happen.
>
>There is no backfeed. The joysticks do not reflect aerodynamic forces.
>
>An override capability exists; it's a button in the grip.  When one pilot
>has overriden another, an arrow pointing to the other pilot flashes in the
>glareshield.  There is also an aural annunciator.  This override, in effect,
>"turns off" the other stick, until the pilot tries to use it, again.

The pilot in the left seat always has priority if both override buttons are
pressed so the captain can always have control of the aircraft.
This is to prevent both pilots from taking different action with a resultant
nothing.