PPRuNe Forums - View Single Post - AF 447 Thread No. 5
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Old 27th Jul 2011, 19:03
  #779 (permalink)  
bearfoil
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jcjeant

No. There was no inverted flight. Nor backwards flight, nor spin.

A different look at the descent?

"Mainly Nose UP". Did they know they were Stalled? They did.

Then why the "Mainly Nose UP"? Especially with that rod? 10,000fpm?

The nose never fell below 30degrees NU? YES. BEA say so, and I believe it.

Wait. "Mainly Nose UP" means there were other inputs to the Stick?

Yes, of course. Mainly Nose DOWN. But the Nose? Yes, unable to drop below 30 degrees; less Pitch was UNAVAILABLE.

PITCH was at its lowest with stick back, or stick forward? Stick back.
Every pilot will push the stick to get the Nose down, and if 30 degrees had been the 'lowest' result of stick forward, PF would maintain ND input. Instead, it looks like Stick back was the default (preferred) position. What did the a/c do with ND? Probably go NU? Buffet like she was coming apart? Increase descent?

Guess? Something BAD.

Some possibilities show these guys did everything by the Book. Even the procedure at the STALL Warning. Both of them.

Alarming to me that when presented with a possibility that mitigates the 'PE', or is critical of the 'platform', the popular drift tends to migrate toward the PE.

I predict that with new data, these pilots will be seen in a new light.