Trindade Island UFO Sighting Photographic Analysis

This document is a technical photographic analysis of a series of UFO sightings that occurred over Trindade Island, Brazil, in May 1958. The report consists of several photographs, labeled 1 through 5, accompanied by detailed geometric diagrams and reconstructions. The primary subject is a disc-shaped object, which the author notes appeared similar to a DC-5 aircraft but was flying laterally. The analysis includes technical drawings (labeled 'Desenho') that calculate the object's altitude, trajectory, and position relative to the sun and the observer. The document explicitly mentions that the photographs were taken by the team of Colonel João Adil de Oliveira. The analysis highlights the presence of smaller, dark objects referred to as 'sondes' (probes) moving at high speeds. The report draws parallels between these sightings and similar events reported in 1957. The diagrams provide precise angular measurements and distance estimations, such as altitudes ranging from 720 to 940 meters, to support the photographic evidence. The document serves as a formal record of the visual data collected during the incident, focusing on the spatial and temporal reconstruction of the event.