[fso301]

Top aviation expert reveals likely cause of 'death spiral' that brought down Brazil plane

Failure to maintain altitude is my determination.

[pfflier]

One top aviation expert told MailOnline that the plane could have experience engine failure, flight control malfunction, or a critical part of the aircraft falling off.

If this guy is an expert with that analysis we all are.

[central_va]

The pilot violated the first law of aviation which is:

At all times the indicted pressure altitude must greater than the AGL altitude of the terrain that is being flown over. Everything else is just style.