Brazil's National Archive SIAN database holds the standing-order UAP transfers from all military branches mandated by Ordinance 551/GC3 (2009), with 893 sightings published from 1952 to the present. Open the full archive at Arquivo Nacional (Brazil) ↗
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Brazilian Air Force witness questionnaire (XVI-CI-017) from the Araras 1955 sighting, recording farmer Mario Mathiesen's description of a metallic, dome-topped disc roughly 30 meters across over a rice plantation.
Brazilian Air Force technical envelope reconstructing the May 7, 1952 Barra da Tijuca disc photographs by Ed Keffel, with trajectory geometry, distance estimates, and probe-track analysis from the Colonel João Adil de Oliveira team.
CICOANI investigation file on the August 1962 disappearance of garimpeiro Rivalino Mafra da Silva at Duas Pontes, Diamantina (Minas Gerais), as witnessed by his 12-year-old son Raimundo Aleluia Mafra.
A February 27, 1958 Brazilian Chamber of Deputies formal Request for Information (Requerimento nº 2957) demanding the Ministry of the Navy answer eight questions about the January 16, 1958 Ilha da Trindade UFO sighting and the Almiro Baraúna photographs taken from the NAeL Almirante Saldanha.
Brazilian Air Force file reproducing the SBEDV bulletin account of attorney and law professor João de Freitas Guimarães's June 16, 1956 close encounter at São Sebastião, SP, in which he described boarding a landed craft with two humanoid occupants.
Brazilian Air Force Confidential file routing a Navy report on unidentified objects observed from the corvette "Mearim" near Parintins/AM on the Amazon River in May 1980.
Volume 01 of the Brazilian Army's Inquérito Policial Militar (IPM) opened in 1997 to investigate the publication 'Incidente em Varginha' and the January 1996 Varginha extraterrestrial-creature allegations involving Escola de Sargentos das Armas (EsSA) personnel and vehicles.
Volume 07 of the Brazilian Army's Inquérito Policial Militar (IPM) into the January 1996 Varginha incident, the largest single volume of the multi-volume military police inquiry into the publication 'Incidente em Varginha' by Vitório Pacaccini and Maxs Portes.
Brazilian Air Force file compiling a 1954 Varig cargo flight crew's UFO sighting report alongside a chronological dossier of other Brazilian UAP cases from 1954 through 1968.
Brazilian Air Force CENDOC Envelope 08 (1986) compiling radar logs, intercept reports, and pilot statements from the May 19, 1986 multi-fighter scramble against roughly 20 unidentified targets over southeastern Brazil.
December 1978 issue of the International UFO Reporter, archived inside Brazilian Air Force CENDOC Envelope 09, walking through the Fred Valentich disappearance over Bass Strait on October 21, 1978.
Brazilian Air Force CINDACTA I reserved-classification summary of UFO cases the center participated in from May 1977 through November 1979, plus the 20 June 1978 GAMA incident at a remote outpost and the start of I COMAR's Registros de Observações de OVNI (Nos. 001 to 130).
The standardized Brazilian Air Force intake form (Formulário de Relatório sobre OANI) used to log unidentified-aerial-object sightings before they enter the FAB investigation pipeline.
Brazilian Ministry of Defense's April 19 2010 formal response to Deputy Chico Alencar's Requerimento de Informação 4470/2009, laying out how Aeronáutica's UFO/OVNI records from the 1950s through 2000s are being declassified and transferred to the Arquivo Nacional.
Inventory 01/2010 listing the 1990s-decade FAB OVNI case files transferred to the Arquivo Nacional under the 4th ARX recolhimento.
Brazilian Air Force NSISA file aggregating 1969-era press clippings and witness accounts of OANI (objetos aéreos não identificados) sightings across Rio de Janeiro, Niterói, Goiás, Minas Gerais, São Paulo, and Brasília, declassified through the Arquivo Nacional.
Brazilian Air Force Operação Prato photographic dossier (Registro 076) documenting a December 17, 1977 UFO landing at Fazenda Jejú in Pará that left two 40x40 cm ground impressions inside a 2.5-meter circle.
Inaugural March 1969 bulletin of SIOANI, the Brazilian Air Force's first formal UFO investigation program, explaining its doctrine, organization, and reporting network out of the IV Zona Aérea in São Paulo.
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