FEB 10th, 2012. At 2:50 pm, during a flight from Belém, in the State of Pará, to Brasília, DF, a pilot of a TAM Airliner reported to the Amazon Area Control Center (ACC-AZ) the detection of an unidentified flying object by the TCAS (Traffic Collision Avoidance System) of his aircraft, what forced him to make a preventive detour for safety reasons. The TAM aircraft was flying over Palmas, in the State of Tocantins when the TCAS warned.
The report by COMDABRA [Brazilian Aerospace Defense Command] states that: “The pilot of flight TAM3715 from Belém to Brasília, level 310, reported having seen an unknown traffic at 20nm, one hour position, by the aircraft’s TCAS equipment. It was necessary an evasive maneuver to the left. Upon informing the ACC-AZ of the occurrence, it was verified by the operator, that there was a multiplicity of targets on the radar console screen. “
Cf. ARQUIVO NACIONAL (Brasil). Sistema de Informações do Arquivo Nacional (SIAN). Fundo ‘Objeto Voador Não Identificado (OVNI)’. Código de Referência BR DFANBSB ARX.0.0.681. “Questionário sobre ocorrência de objeto voador não identificado (ovni) em Palmas, Tocantins”. Brasília, DF. 1952 a 2015. Último acesso realizado em 27/05/2020.
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