UFO sighted on Santa Catarina coast in 1974

Summary

In 1974, a UFO sighting was recorded along the coast of Santa Catarina, Brazil. The report, marked as confidential, describes an object of unknown shape moving at high speed and emitting sounds. The observer, a man with technical knowledge, reported the phenomenon to military authorities. The document includes details about the location, time, and characteristics of the object, although no physical evidence was found. The description suggests abnormal and unconventional behavior.