1986 Brazilian UFO incident

Sérgio observed the objects with a pair of binoculars, noticing that they seemed to emit a bright red light, but often changing colors to yellow, green and orange-like.

[3] By 9:39 p.m. BRT, Santa Cruz Air Force Base was put on alert due to the presence of several unidentified radar plots around São José dos Campos.

At one point, the Mirage managed to get within 2 miles of one of the contacts, whose movements seemed to indicate zigzagging and 90 degree turns, before it rapidly moved away despite the interceptor's supersonic speed.

According to the Brazilian Air Force report, after an unsuccessful attempt to close the distance, the light seemed to "turn off", at the same time as the radar contact was lost.

Some time afterwards, the controller at Santa Cruz Air Base detected 13 radar plots directly behind JB07, instructing the aircraft to turn 180 degrees.

[5] In its final considerations, the document stated, among other things, that the unidentified aerial phenomena were capable of: The report also pointed to the efficiency of the bases' responses, as 7 armed aircraft were available for use within 30 minutes of the threat's detection.