PPRuNe Forums - View Single Post - AF447 final crew conversation - Thread No. 2
Old 14th Mar 2012, 08:56
  #176 (permalink)  
HazelNuts39
 
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Originally Posted by A33Zab
But this is contradictionary with:
Quote:
The FD 1 and FD 2 become unavailable.
The angles of attack 1 and 2 become invalid (NCD status)
A drop of 30 kt in 1s of either the median or the mean IAS around 02:11:40 could again have triggered the monitoring of the airspeeds by the FMGEC and the EFCS. That would explain the loss of the FD's, but not that the AoA's became NCD.
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