By Ricardo Brito, Luciana Magalhaes and Luana Maria Benedito

BRASILIA/SAO PAULO (Reuters) -A preliminary report into the August crash of an airliner in Brazil discovered indicators of ice buildup on the airplane however no particular trigger for the accident, the nation’s Middle for Analysis and Prevention of Aeronautical Accidents (Cenipa) stated on Friday.

The doc identified that icing detectors had been activated on airline Voepass’ plane, and a Cenipa official instructed a press convention that cockpit recordings confirmed the copilot stated there was “plenty of icing” through the flight.

Based on investigators, that remark signifies that the airplane’s de-icing system may need failed, however Cenipa stated that data nonetheless wanted to be confirmed.

Three specialists interviewed by Reuters instructed that icing might have performed a job within the crash, however urged warning because the report is preliminary and accidents are brought on by a number of elements.

The ATR-72 plane from native service Voepass swirled uncontrolled earlier than plunging to the bottom on Aug. 9, killing all 62 on board.

Based on Cenipa, investigations into the crash will in all probability final for over a 12 months.

U.S. aviation security skilled Anthony Brickhouse stated: “Every part I’ve learn from the report at this time is per icing, however accidents are hardly ever brought on by one single occasion.”

Based on officers, lack of velocity alerts have been triggered, however the ATR’s crew by no means declared an emergency state of affairs earlier than the airplane spiraled right down to the bottom.

Cenipa officers on Friday additionally stated it’s nonetheless unclear to them why an plane with all crucial certifications ended up dropping management and falling. “What we all know is that the airplane was flying in an space with extreme icing circumstances,” stated lieutenant colonel Paulo Froes.

The service stated in a press release that the report confirmed that the plane and the pilots have been correctly licensed, including that the ATR’s required programs have been in operation. It added the corporate would proceed cooperating with the investigations.