A Brazilian Air Force pilot checked on a hovering light observed from the control tower at Pampulha, Belo Horizonte, Minas Gerais State at the request of the tower operator. After landing, the pilot reported that the unidentified light had followed him for about an hour while he was enroute from Pico do Couto.The control tower operator then fired some flares in the direction of the UFO , and it changed color from white to amber to intense green.
Then it turned white again, and darted upwards, disappearing in the darkness