Arquivo Nacional do Brasil
SIAN — Arquivo Nacional information system (incl. Brazilian Air Force UFO records)
Database · written 1952 · released 2008
Why this matters
Brazil's National Archives database. Since 2008 it has received declassified Brazilian Air Force records on UFO sightings, including the 1977 'Operação Prato' investigation in the Amazon. Registration is required and the interface is Portuguese-only, which keeps it obscure.
Read the original
https://sian.an.gov.br/
Hosted by Arquivo Nacional do Brasil
Tags
Part of a collection · step 8 of 16
Declassified UFO Programs
Brazil's Air Force files, including the Amazon's Operação Prato.
Cite
Arquivo Nacional do Brasil. "SIAN — Arquivo Nacional information system (incl. Brazilian Air Force UFO records)." 1952. Released 2008. https://sian.an.gov.br/ (accessed via The Quiet Archive, QA-0116).
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