Hi,
About THS .. I will repeat myself
Be sure that Airbus Industrie have already simulated many parts of the situations where AF447 was involved
They certainly know perfectly if the plane is recoverable with parameters as attitude .. altitude and speed .. and position of the THS at 13° up of AF447
And those tests can
(maybe) be performed by some members (A330 pilots) of this forum
Apparently no one made it so far.