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Military Encounters

Colares, 1977: the case where an air force went to look

Villagers on an island in the Amazon delta reported beams of light causing burns and weakness. The Brazilian Air Force sent a team for four months. Its report was released decades later.

ATS Research DeskDocuments and archives
2 min read
A river settlement at the edge of jungle

The reports came from Colares, on an island in the Amazon delta, from late 1977.

From late 1977, people in the town of Colares and nearby settlements on an island in the Amazon delta reported lights that descended at night and directed beams at them. Some reported burns, puncture marks and prolonged weakness afterwards. Local medical staff treated patients.

What makes the episode unusual is the response: the Brazilian Air Force deployed an investigative team, which stayed for around four months.

What is documented

Illustration

Operation Prato — Operation Saucer — ran from roughly September 1977 into early 1978 under the Brazilian Air Force. The team collected witness statements, photographs and film, and its officer in charge later spoke publicly about it.

The report was not released at the time. It entered the public domain in the following decades as Brazilian military UFO material was transferred to the national archive, and portions have been published.

What was claimed

That objects deliberately targeted people with beams causing physical injury, over months, in a defined area, and that a national air force documented it and then said nothing.

The medical question, which is the crux

Patients were treated and physicians recorded lesions and symptoms including weakness and anaemia. That is the strongest element and also the least examined by outsiders.

Several ordinary candidates have been raised and none has been properly tested against the records: local wildlife, particularly bat bites, which are common in the region and can produce puncture wounds and blood loss; existing endemic disease; and the effects of a frightened population interpreting familiar injuries in a new frame once the story was established.

Why it is under-covered in English

Language, mostly. The primary material is Portuguese, held in Brazilian archives, and the English-language accounts are largely translations of translations — which is exactly the condition in which detail drifts and claims harden.

It is one of the better opportunities in this subject for someone with the right languages: a documented military operation, an archive that is open, and an evidential question that is narrow and answerable.

Join the discussion

Still open on this one:

  1. 01

    Have the Colares clinical records ever been reviewed independently?

    The medical claims are the whole case. Nothing else in it would survive their withdrawal, and nothing else would matter if they held.

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Sources

Open them and check for yourself. Where a record is public, it is linked.

  1. Brazilian Air Force UFO records

    Arquivo Nacional, Brazil

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