If it does come to trial it would prob. be manslaughter. And a jury will probably convict.
I wonder what sentence might be imposed. I am sure the pilot is suffering the tortures of the damned but on the other hand a lot of people died and the law tends to recognise that as a major factor in sentencing.
He isn't going to do it again but they will also want to send a clear message to everyone for the future.
Also the question of others who may finish in the dock............
Tough call for the judge