PPRuNe Forums - View Single Post - AF 447 Thread No. 12
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Old 15th Oct 2014, 23:23
  #670 (permalink)  
DozyWannabe
 
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Originally Posted by mm43
Well, to start with the THS wouldn't have added the extra 10° NU and any ND on the SS would have been more effective.
In terms of recovery, the THS position wouldn't have made that much of a difference until sufficient forward airspeed was gained. Even if our experiment (in which the SS was held against the forward stop and only relaxed when 10deg ND attitude was attained) represents a "best-case" scenario for SS input rolling the THS back to neutral (i.e. in under 10 seconds), the situation might still have been recoverable. Even if it was only possible to recover by rolling the trim wheel forward manually, it would still take several seconds to stabilise the attitude at 10deg ND with the SS.

Possibly the change may have been noticed - in time?
Debatable (see above)...

Ideally, the hand should have been on the THS from the moment ALT2b was established.
Why? The THS position was OK at AP disconnect - it didn't start rolling back significantly until the stall was developed...
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