PPRuNe Forums - View Single Post - AF 447 Thread No. 11
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Old 18th Jun 2013, 14:27
  #112 (permalink)  
Clandestino
 
Join Date: Feb 2005
Location: Correr es mi destino por no llevar papel
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No panic here but the attempt to blindly obey the reappearing FD.
Have a look at pages 60-62 and 95-96 of the English report.

Flight director is out between 2:10:08 and 2:10:18, yet the right stick is in nose up position, pitch increases from 3° to 9°.

FD returns at 2:10:17 for two seconds and commands between 3/4 and full nose down, yet pitch is maintained around 10°

Then it goes out again for a couple of seconds, pitch hovers around 12°.

Between 2:10:26 and 2:10:36 it's back, demanding 6000 FPM climb and nose up, yet nose is slightly lowered, Roc goes from 6000 to 4000.

Again it passes out, still pitch is decreasing towards 6°.

It is back again at 2:10:47, demanding 1400 fpm climb. Stall warning goes off, nose is abruptly pitched up. Flight director is now firmly below aeroplane symbol, yet the pitch goes up and up and up.

Finally, FD moves to nose up command as stall breaks the climb and aeroplane commences her final descent.

Under no circumstances I would find this to be even distantly similar to "blindly following the FD".
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