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Old 2nd Nov 2009, 13:34
  #17 (permalink)  
atakacs
 
Join Date: Jun 2002
Location: Geneva, Switzerland
Age: 58
Posts: 1,909
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RSV (A) 168/A/07 - CENIPA Issued on Dec 28th 2007
The establishment of a landing procedure for A-320 aircraft defining corrective actions on the part of the crew, when ground spoilers do not deploy after touchdown.
well in that case you don't have much choice but pray... If for some reason automation has decided you don't deserve ground spoilers (and auto braek for that matter) there is no way to overrule it. Given that you have probably eaten a good part of the runaway and unless a major redign of the AB logic your last "corrective action" will be to choose which obstacle will stop the run-over...

To the defense of AB it is indeed hardly conceivable that any crew - let alone an experienced one - would land without retarding both levelers. But it happened (maybe more that once ?) and at that time they where doomed.

RSV (A) 174/A/07 - CENIPA Issued on Dec 28th 2007
The improvement of the actuation logic of those systems responsible for decelerating the A-320, so that said systems will take into account the crew's clear intention to land and will guarantee [the aircraft's] deceleration efficacy, even with the wrong positioning of the thrust levers.
Again not an easy one but I'm still convinced that putting in that "big red stop button" might do more good than bad (although I'm sure it might also cause accidents by itself). The simple thought of not being able to decelerate a perfectly working aircraft just because the computer decided so (be it for crew mistake or sensor problems) is not acceptable.
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