Relatório Sobre OANI (UAP Report) — Lagoa do Chicão, Minas Gerais, 1969

This document is a formal sighting report (Relatório Sobre OANI) filed with the Brazilian Air Force's SIOANI (Sistema de Investigação de Objetos Aéreos Não Identificados). The report details an incident that occurred in 1969 at Lagoa do Chicão, in the state of Minas Gerais. The witness, Angelo Eustáquio Heleodoro dos Santos, a 23-year-old educator, reported observing an unidentified aerial object at 01:30 in the morning. The witness described the object as round and opaque, exhibiting both horizontal and vertical flight maneuvers over a duration of approximately three minutes. The weather conditions at the time were reported as cold (2 degrees Celsius) and rainy, with a totally overcast sky. The witness noted that there was no sound associated with the object. The report indicates that photographic and film evidence was collected, including negatives and photos. The document includes detailed personal information about the witness, including his educational background, habits, and psychological state at the time of the observation. The report was processed and filled out on February 14, 1971, and includes an authorization for the 4th Air Zone Headquarters to use the declarations for research and study purposes. The document is part of the official SIOANI archive, later digitized by the Ufological Group of Guarujá (GUG).