the chilling air disaster may have been caused by engine failure, flight control malfunction or due to part of the plane falling off mid-flight.
He added that once a jet begins to plummet into a death spiral it is "very hard to get out of it".
The most likely reason for the issue may have been a low speed stall, the captain claims.
This occurs when the airflow going over a jet is too slow meaning the plane isn't able lift up like it is supposed to.
It most commonly occurs when a plane is moving at a slow pace.
The pilot of the fatal flight - 35-year-old Captain Danilo Santos is highly unlikely to have been the cause.
Romano, from Sao Paulo had plenty of experience, logging over 4,500 hours, and working as a pilot for more than a decade.
FlightRadar24 said the jet was a 14-year-old ATR 72-500 turboprop, short-haul regional airliner.
They also found that the last minute showed the plane's transponder record a vertical speed between 8,000 and 24,000 feet per minute.
This roughly translates to a speed of 273 miles per hour at most.