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Accident investigation report completed and information captured
Narrative: The aircraft collided with eucalyptus trees and crashed in a forest area in Paula Freitas, in the state of Paraná. All occupants died.
Contributing factors. - Adverse meteorological conditions – a contributor. Since the SSUV Aerodrome only allowed operations under VFR rules, the weather conditions proved to be an impediment to the operation within the minimum safety requirements in that location. - Work-group culture – undetermined. There was an informal practice of pilots using unofficial instrument approach procedures. It is possible that this informally shared culture favored the pilot's mistaken decision to continue the flight, without the conditions required for the operation at that Aerodrome having been met. - Perception – a contributor. Degraded meteorological conditions compromised the pilot's perception of the environment outside the aircraft, which favored the loss of visual references and contributed to the occurrence of the accident. - Flight planning – a contributor. There was an inadequacy in the preparation work for the flight, including the lack of a careful assessment of the meteorological conditions of the route and the destination. - Decision-making process – a contributor. The inadequate assessment of the context compromised the identification and management of the risks involved in the air operation, to the point where the flight continued in unfavorable weather conditions. - Other (lack of adherence to rules or regulations established by the Brazilian civil aviation authority) – a contributor. The use of unofficial approach procedures by instruments in conducting flights in unfavorable meteorological conditions for flying in VMC represented a lack of adherence to the standards that established the minimum requirements for operation in Aerodromes restricted to operation under VFR, a fact that led to an operation below the minimum acceptable levels of safety.