Caso Parintins — FAB Investigation File

Brief

The Caso Parintins file originates from the Força Aérea Brasileira and was opened to the public in 2009 under the Arquivo Nacional Aero-Espaço declassification program. It covers an unspecified UAP incident in the Parintins municipality of Amazonas state and reportedly contains witness statements alongside FAB analytical material. The Amazonian region held persistent significance for FAB UAP documentation, anchored by the 1977 chupa-chupa wave — a prolonged series of low-altitude encounters across the Amazon basin that prompted a formal FAB investigation known as Operação Prato. No source text is extractable from the current scan; all content below derives from the war.gov release description.

Metadata

Agency

Força Aérea Brasileira / Arquivo Nacional

Release

2009-01-01

Type

PDF • .pdf

Length

3 pages

Classification

UNCLASSIFIED (declassified 2009)

Programs

Arquivo Nacional Aero-Espaço FAB declassification series, Operação Prato (contextual)

Tags

Parintins, Amazonas, chupa-chupa, Brazil, FAB investigation, Amazon basin, 1977 wave context

Key points

• The file is part of the Arquivo Nacional Aero-Espaço FAB declassification series, a structured Brazilian government release program initiated in 2009.
• The incident is localized to Parintins, Amazonas — a municipality in the heart of the Amazon basin, a region FAB considered an active UAP sector.
• The file is said to include witness statements, indicating a ground-level human-observation component to the investigation.
• FAB analysis is described as part of the file, suggesting a formal military evaluation beyond raw witness testimony.
• The 1977 chupa-chupa wave is cited as historical context; that wave produced Operação Prato, one of the most thoroughly documented government UAP investigations in Latin American history.

Most interesting

• The chupa-chupa — Portuguese for 'sucker' — was the regional name given to luminous objects reported during the 1977 Amazon wave, so named because witnesses described physical effects including burns and puncture marks consistent with some kind of directed energy.
• Operação Prato, the FAB's covert 1977 investigation into the Amazon encounters, was not acknowledged publicly until decades later; its declassified photographs and film remain among the most discussed government UAP materials in South America.
• Parintins is situated on an island in the Amazon River roughly 370 kilometers east of Manaus — its geographic isolation made it a difficult area for conventional military follow-up, which may explain why civilian witness statements carry particular weight in Amazonian FAB files.
• Brazil's 2009 Arquivo Nacional release was one of the earliest large-scale government UAP document disclosures globally, predating the U.S. AARO releases by more than a decade.