An ATR-72 turboprop plane operated by regional airline Voepass crashed in a residential space close to Sao Paulo, Brazil on Friday. killing all 62 passengers on board.
Investigators have recovered the airplane’s so-called black field, which contained voice recordings and flight information, and a preliminary report is predicted inside 30 days, the pinnacle of Brazil’s aviation accident investigation heart, Cenipa, stated on Sunday.
HOW DID THE ACCIDENT HAPPEN?
The airplane was heading to Sao Paulo from Cascavel in Parana state and crashed at round 1:30 p.m. (4:30 p.m. GMT) in Vinhedo, about 80 kilometers northwest of Sao Paulo.
The plane flew usually till 1:21 p.m., when it stopped responding to calls, and at 1:22 p.m. radar contact was misplaced, the Brazilian Air Drive stated in an announcement. The airplane didn’t report any emergency.
Occasion movies present that the sky was apparently clear when the airplane started to spin in an uncommon round movement.
WHAT WILL THE EXPERTS LOOK FOR?
US aviation security skilled Anthony Brickhouse stated investigators would have a look at components such because the climate and look at how nicely the engines and controls had been working to assist establish what prompted the lack of management.
COULD WEATHER CONDITIONS HAVE CAUSED THE ACCIDENT?
Movies of the crash analyzed by aviation consultants led some to invest that ice could have constructed up on the airplane. On Friday, Voepass stated ice was predicted to happen on the altitudes the airplane was flying at, however that it ought to have been inside a suitable degree.
Brazilian aviation engineer and accident investigator Celso Faria de Souza stated he’s virtually sure ice prompted the crash, judging by the video.
ATR-72 plane have skilled issues with icing, together with a 1994 crash in Indiana, USA, through which 68 individuals died after the airplane was unable to tilt as a result of ice build-up. After that incident, producer ATR improved its de-icing system. In 2016, in Norway, an ATR-72 skilled issues after ice constructed up on the plane, however the pilot was in a position to regain management.
COULD THE ENGINE HAVE FAILED?
John Hansman, a professor within the Division of Aeronautics and Astronautics on the Massachusetts Institute of Expertise, reviewed a number of the photos of the Brazil crash shared on social media and, with out having reviewed the flight information, stated the crash didn’t seem to have been brought on by climate.
It could have been an engine failure on one facet, mishandled by the crew, that prompted the downward rotation, Hansman stated.
ARE MULTIPLE POINTS OF FAILURE POSSIBLE?
Consultants say airplane crashes may be brought on by quite a lot of components, together with ice, engine failure or human error. In lots of circumstances, there’s multiple trigger, stated Robert A. Clifford, a lawyer who represented a number of the households of the victims of the 1994 crash.
