Voepass Flight 2283

Investigation

The Brazilian Aeronautical Accidents Investigation and Prevention Center (CENIPA) has launched an investigation into the accident. Investigators from the French Bureau of Enquiry and Analysis for Civil Aviation Safety (BEA) and Canadian Transportation Safety Board (TSB) also joined the investigation, representing the country where the aircraft and engines, the ATR 72 and the Pratt & Whitney Canada PW127M, were manufactured respectively. CENIPA head Marcelo Moreno said on the day of the accident that both flight recorders—the cockpit voice recorder (CVR) and the flight data recorder (FDR)—had been recovered and were in CENIPA's possession. The bodies of the victims were taken to the central Instituto Médico Legal facility in São Paulo for processing. By 11 August, local emergency services reported that all bodies had been removed from the accident site and the wreckage had been handed over to CENIPA for further investigation. On the same day, CENIPA announced that the data from the FDR had been downloaded and was being analyzed.

In the initial aftermath of the accident, aviation experts speculated that ice buildup could have been a factor. The accident has been compared to American Eagle Flight 4184, also involving an ATR 72, in which the pilots lost control after the aircraft encountered severe icing conditions. ATR had since improved the de-icing systems used on its aircraft. The aircraft used for Flight 2283 had a system of rubber tubes on the wings that could inflate and deflate to break up ice.

On 15 August, Brazilian media reported that the accident occurred just one minute after the plane began a steep descent. According to Jornal Nacional, the pilots had indicated that the plane required "more power," although it was later confirmed by the Brazilian Air Force that no Brazilian media had access to the black box.

On 27 August, the Brazilian Congress created a committee to investigate the accident, which was to be formed by Voepass executives and representatives from ATR.

Final report

The CENIPA final investigation report into the Voepass Flight 2283 crash concludes that a severe buildup of ice, critical pilot errors, systemic maintenance failures and a flawed safety culture combined to cause the accident. Brazil's Center for Investigation and Prevention of Aeronautical Accidents (CENIPA) identified 19 distinct contributing factors rather than a single isolated cause for the crash that killed all 62 people on board:

Severe icing and system failures: The ATR 72-500 turboprop encountered atmospheric conditions highly favorable to severe icing. The plane's de-icing system suffered multiple failures and was turned on and off repeatedly during the flight.

Pilot distraction and inaction: Cockpit recordings revealed the captain explicitly noted the de-icing system was malfunctioning, while the first officer stated at one point that he had forgotten to turn it on. The crew ignored eight separate "cruise speed low" warnings and failed to take action following a "degraded performance" alert.

Pitch command application: The Flight Data Recorder (FDR) recorded nose-up inputs from the flight crew once the stall warning and the subsequent stick pusher were activated. These inputs directly contradict the procedures recommended in the aircraft’s Quick Reference Handbook (QRH) and Upset Prevention and Recovery Training (UPRT) protocols that both pilots were certified for. This inappropriate pitch-up response further exacerbated the aerodynamic stall, ultimately triggering the unrecoverable flat spin.

Inattentional blindness: Investigators stated that the pilots suffered from "inattentional blindness" and "inattentional deafness". High workloads and informal cockpit chatter caused them to miss critical warnings and fail to regain control.

Culture of informality: CENIPA highlighted a systemic "normalization of deviations" at Voepass. Mechanics and pilots routinely avoided logging technical problems—including previous de-icing faults—to prevent the plane from being grounded for required maintenance.

Illegal dispatch: The aircraft should have never been cleared to take off due to an unaddressed fault in its windshield wiper system, though this specific defect did not directly cause the crash.

Lack of oversight: The final document cited insufficient regulatory oversight by Brazil's civil aviation authority (ANAC) as a component in letting these safety flaws persist.