What Uruguay's UFO Files Really Show

Uruguay is one of the more unusual UFO case studies in Latin America because the subject has not been left entirely to private enthusiasts.

Introduction

The most useful way to read Uruguay’s UFO history is not as a single national mystery, but as three overlapping tracks: formal Air Force files, regional sighting clusters around places such as Paysandú, Salto, Soriano and Durazno, and a powerful local mythology centred on La Aurora. Those tracks often mix in public memory, but they do not carry the same evidential weight.

Overview image for What Uruguay's UFO Files Really Show

Why Uruguay stands out in South American UFO history

Uruguay’s central institution is the Comisión Receptora e Investigadora de Denuncias de Objetos Voladores No Identificados, usually shortened to CRIDOVNI. It receives reports, contacts witnesses, evaluates photographs or videos, and compares claims against conventional explanations such as air traffic, astronomical events, satellites, meteorological conditions, hoaxes and psychological misperception. In a 2026 interview, Ariel Sánchez described the commission as a multidisciplinary body of Air Force officers and civilian honorary members, with reports arriving through email and the Air Force telephone system. [Cadena del Mar | FM 106.5]cadenadelmar.uySource details in endnotes.

That official setting matters, but it can be misunderstood. A military investigation does not mean a sighting has been validated as alien technology. In Uruguay, as elsewhere, “unidentified” mainly means that the available data did not allow investigators to assign a firm conventional cause. Sánchez’s stated protocol begins by testing ordinary possibilities: witness fraud, third-party fraud, conventional phenomena, psychological illusion and only then a non-conventional phenomenon. [Cadena del Mar | FM 106.5]cadenadelmar.uySource details in endnotes.

The numbers also argue against exaggeration. Older reporting from El País described about 40 unexplained cases in the Air Force’s records, and the same broad figure still appeared in 2026 reporting, suggesting a fairly stable core of unresolved files rather than a rapidly expanding archive of confirmed anomalies. [EL PAIS]elpais.com.uyEL PAISHay aún 40 casos de ovnis sin explicaciónEL PAISHay aún 40 casos de ovnis sin explicación [Telenoche]telenoche.com.uySource details in endnotes.

A practical chronology of Uruguay’s better-known cases

Uruguay’s UFO chronology is best understood through a few high-profile examples rather than a long catalogue of weak sightings. The cases below are notable because they have either been discussed in connection with official records, became part of regional folklore, or illustrate the evidential problems that run through the field.

1976–1977: La Aurora, Salto-Paysandú border region. The La Aurora story is Uruguay’s most culturally famous UFO narrative. The account usually begins with a bright light, burned vegetation, dead animals and marks on the ground at a rural estate near the Daymán River. Over time, it became a pilgrimage site for UFO believers and spiritual tourists. El Observador describes how the story turned La Aurora into a reference point in Uruguay’s UFO imagination, while Búsqueda reports Sánchez’s more sceptical explanation: CRIDOVNI investigations attributed the original damage to a large electrical storm and lightning strike, not a verified UFO landing. [El Observador]elobservador.com.uySource details in endnotes. [Búsqueda]busqueda.com.uyBúsqueda Neil Armstrong y el misterio de La AuroraBúsqueda Neil Armstrong y el misterio de La Aurora

1979: the commercial aircraft case. El País reported a case involving pilots of a Uruguayan commercial aircraft returning from Paraguay, allegedly followed by a bright object that was photographed by passengers. The case was listed among those still without an explanation in the Air Force’s records, but the publicly available reporting does not provide enough primary documentation to treat it as more than an unresolved aviation report. [EL PAIS]elpais.com.uyEL PAISHay aún 40 casos de ovnis sin explicaciónEL PAISHay aún 40 casos de ovnis sin explicación

1986: Palmar dam, Soriano. This is one of Uruguay’s most cited military cases. According to El País, two Pucará military aircraft pursued a luminous sphere over the Palmar dam; the object reportedly accelerated towards Argentina, disappeared, then reappeared over the dam before again escaping pursuit and changing colour from reddish to yellow. The case is significant because it involves military pilots and a strategic infrastructure site, but public accounts still depend heavily on later summaries rather than a full public technical dossier. [EL PAIS]elpais.com.uyEL PAISHay aún 40 casos de ovnis sin explicaciónEL PAISHay aún 40 casos de ovnis sin explicación

1996: Santa Bernardina, Durazno. El País also reported a case involving military pilots on exercises at the Santa Bernardina base in Durazno, where two luminous spheres were reportedly seen and corroborated by the airport control tower. Sánchez argued that the behaviour did not fit satellites because the objects appeared low, in formation and changed brightness while keeping their outline. [EL PAIS]elpais.com.uyEL PAISHay aún 40 casos de ovnis sin explicaciónEL PAISHay aún 40 casos de ovnis sin explicación

2023: Paysandú lights. The modern social-media era has made Uruguay’s UFO reports more visible. In February 2023, strange red or flashing lights were reported around Termas de Almirón in Paysandú, with accounts from roughly 20 witnesses and reports from neighbouring areas in Argentina. MercoPress reported that the Air Force ordered CRIDOVNI to intervene, gather information and interview witnesses. [MercoPress]en.mercopress.comMerco Press Uruguayan Air Force to handle UFO sightings — Merco PressMerco Press Uruguayan Air Force to handle UFO sightings — Merco Press

What Uruguay's UFO Files Really Show illustration 1

Confirmed, contested and debunked claims

The clearest confirmed fact is institutional: Uruguay has had a recognised Air Force-linked mechanism for receiving and investigating UFO reports, and recent media reporting still treats CRIDOVNI as the relevant national body. The 2023 Paysandú case, for example, was not merely an internet rumour; the Air Force’s public-relations response and CRIDOVNI’s deployment were reported by multiple outlets. [MercoPress]en.mercopress.comMerco Press Uruguayan Air Force to handle UFO sightings — Merco PressMerco Press Uruguayan Air Force to handle UFO sightings — Merco Press [turdef.com]turdef.comUruguayan Air Force Investigating Flashing Lights in the SkyUruguayan Air Force Investigating Flashing Lights in the Sky

The contested category is larger. Palmar, Santa Bernardina and the 1979 aircraft case are better than anonymous sightings because they involve aviation witnesses, reported control-tower involvement or Air Force records. Yet they remain contested because public access to full sensor data, contemporaneous logs, photographs and technical analysis is limited. In those cases, the strongest honest conclusion is “unexplained in public reporting”, not “proved extraordinary”. [EL PAIS]elpais.com.uyEL PAISHay aún 40 casos de ovnis sin explicaciónEL PAISHay aún 40 casos de ovnis sin explicación

La Aurora is the clearest example of a debunked or at least substantially naturalised claim. The site remains culturally important, and its legends continue to shape UFO tourism and local identity. But the central physical claim — burned ground and damage caused by a UFO — has a conventional explanation in CRIDOVNI-linked reporting: a major lightning event. That does not erase the social history of the place, but it sharply lowers the evidential value of the case as a UFO incident. [Búsqueda]busqueda.com.uyBúsqueda Neil Armstrong y el misterio de La AuroraBúsqueda Neil Armstrong y el misterio de La Aurora

Regional patterns: why some places recur

Uruguay’s reported cases are not evenly remembered across the country. Several regions recur because they offer either a strong physical setting, a strong witness setting, or a strong story setting.

Paysandú and the western border zone are prominent partly because events there can spill into Argentina’s Entre Ríos province, creating cross-border witness clusters. The 2023 Termas de Almirón reports were visible not only in Paysandú but also, according to MercoPress, in neighbouring Argentine areas and other Uruguayan localities such as Colonia and San José. [MercoPress]en.mercopress.comMerco Press Uruguayan Air Force to handle UFO sightings — Merco PressMerco Press Uruguayan Air Force to handle UFO sightings — Merco Press

Soriano’s Palmar case has a different character. Its importance comes from the combination of military aircraft, a dam and a pursuit narrative. Even without treating the object as extraordinary, the case reads as an airspace-security incident rather than a casual rural sighting. [EL PAIS]elpais.com.uyEL PAISHay aún 40 casos de ovnis sin explicaciónEL PAISHay aún 40 casos de ovnis sin explicación

Salto and the La Aurora area show how a place can become important even when the evidential base is weak. The power of La Aurora lies in accumulated stories, pilgrimage, repeated retellings and its role in UFO tourism. El Observador’s discussion of Martín Gamboa’s anthropological work is useful here because it separates the question “did aliens visit?” from the more grounded question “how did this place become a durable UFO landmark?” [El Observador]elobservador.com.uySource details in endnotes.

The archive problem: openness, reservation and public trust

Uruguay’s UFO material has an unusual transparency problem. On one hand, the existence of an official commission makes the country more structured than places where reports are scattered across police files, private clubs and newspapers. On the other hand, the underlying records have not always been straightforwardly accessible.

A 2020 resolution by Uruguay’s public information access authority records a complaint about the Air Force’s lack of response to a request for UFO-related incidents and reports. The Air Force said the request would be handled by CRIDOVNI, later argued that the information was reserved and confidential, and the access authority concluded that the Air Force should deliver the requested information except for material properly classified under the public information law. [Gub.uy]gub.uyRESUAIP2016 AA FuerzaAereaUruguayaRESUAIP2016 AA FuerzaAereaUruguaya

That resolution is important because it cuts both ways. It confirms that such records exist under Air Force control, but it also shows that public access can be restricted or delayed. For readers, this means secondary claims about “official Uruguayan UFO files” should be handled carefully unless they are tied to released documents, named cases, or clearly attributed interviews.

The access authority also criticised generic classification. It stated that information cannot be classified in a blanket way and should be assessed individually, with proper legal criteria for reserved or confidential material. That is directly relevant to UFO research because broad secrecy can make ordinary unresolved cases seem more mysterious than they are. [Gub.uy]gub.uywww.gub.uy Ministeriowww.gub.uy Ministerio

What Uruguay's UFO Files Really Show illustration 2

What modern investigation can now rule out faster

A major shift in Uruguay is the growth of sky-monitoring infrastructure unrelated to UFO belief. The BOCOSUR project, led by astronomy researchers at Uruguay’s University of the Republic, has deployed a national network of all-sky cameras to detect fireballs and meteorite-producing events. Its published paper says deployment began in 2019 and was completed in 2023 with 20 stations across Uruguay, many installed at secondary schools. [arXiv]arxiv.orgarXiv BOCOSUR: An all sky network for fireball detection in UruguayarXiv BOCOSUR: An all sky network for fireball detection in Uruguay

This matters for UFO analysis because many spectacular night reports begin as bright meteors, bolides, re-entering debris or other transient sky events. BOCOSUR is not a UFO office, but its cameras and data-processing methods help establish what a real meteor or fireball looked like, when it occurred and from which direction it travelled. That kind of independent astronomical record can either explain a sighting or narrow the field of possible explanations. [arXiv]arxiv.orgarXiv BOCOSUR: An all sky network for fireball detection in UruguayarXiv BOCOSUR: An all sky network for fireball detection in Uruguay

The network’s geography is especially useful for Uruguay because it covers a compact national territory with stations separated at roughly the right scale for multi-station fireball detection. The project’s authors also note that Uruguay’s fibre connectivity and geographically distributed schools made the network feasible. [arXiv]arxiv.orgarXiv BOCOSUR: An all sky network for fireball detection in UruguayarXiv BOCOSUR: An all sky network for fireball detection in Uruguay

The 2026 US link: useful, but easy to overread

In 2026, Uruguayan outlets reported that CRIDOVNI and the US All-domain Anomaly Resolution Office, known as AARO, were moving towards a cooperation agreement. Montevideo Portal reported that the proposed arrangement was aimed at logistical support rather than money, with Sánchez saying the US side had offered hardware and software for more advanced work. [Montevideo Portal]montevideo.com.uySource details in endnotes.

El Observador added that the intended cooperation involved joint research, information exchange, equipment and logistical support, and that CRIDOVNI already maintained data-exchange agreements with Peru, Chile and Argentina. That makes Uruguay a useful bridge to sibling South American UFO research branches, especially Chile, Argentina and Peru, where official or semi-official aviation-linked UAP structures have also existed. [El Observador]elobservador.com.uySource details in endnotes.

Still, the agreement should not be treated as validation of extraordinary claims. Its more realistic importance is methodological: common software, observation stations, shared terminology and better cross-border data handling could reduce false positives and make future unresolved cases easier to compare.

How to judge a Uruguayan UFO claim

A sensible reader can sort Uruguay-related UFO claims into three working levels.

Higher-value reports involve trained aviation witnesses, multiple independent observers, control-tower or radar context, documented timing, and official follow-up. Palmar, Santa Bernardina and the 1979 aircraft report fall closer to this level, though they still need fuller public documentation before stronger claims can be made. [EL PAIS]elpais.com.uyEL PAISHay aún 40 casos de ovnis sin explicaciónEL PAISHay aún 40 casos de ovnis sin explicación

Medium-value reports involve multiple civilian witnesses and a prompt CRIDOVNI response, such as the 2023 Paysandú lights. These are worth tracking, but social-media videos alone are weak evidence because angle, distance, exposure, compression and missing context can distort what is seen. Sánchez has explicitly warned that photographs and videos are only contributions to a case, not decisive proof by themselves. [MercoPress]en.mercopress.comMerco Press Uruguayan Air Force to handle UFO sightings — Merco PressMerco Press Uruguayan Air Force to handle UFO sightings — Merco Press [EL PAIS]elpais.com.uyEL PAISHay aún 40 casos de ovnis sin explicaciónEL PAISHay aún 40 casos de ovnis sin explicación

Low-value reports are anonymous clips, tourism legends, claims attached to spiritual sites, or retellings with no dates, witnesses, chain of custody or original documentation. La Aurora remains important as folklore and tourism history, but its best-known physical claim has a conventional lightning explanation in CRIDOVNI-linked reporting. [Búsqueda]busqueda.com.uyBúsqueda Neil Armstrong y el misterio de La AuroraBúsqueda Neil Armstrong y el misterio de La Aurora

What Uruguay's UFO Files Really Show illustration 3

What Uruguay adds to the wider UFO project

Uruguay’s value is not that it proves a dramatic answer to the UFO question. Its value is that it shows what happens when a small country keeps a long-running official reporting channel, develops a few durable high-strangeness cases, and also generates powerful local myths that can outgrow the evidence.

For the wider country-by-country UFO project, Uruguay should be treated as a compact but important comparison point. It links naturally to South American official-investigation branches such as Chile, Argentina and Peru; to aviation-safety cases involving trained witnesses; and to folklore-heavy locations where tourism and belief become part of the phenomenon. The country’s unresolved cases deserve attention, but the best reading remains disciplined: a minority of reports are unexplained, some famous claims have mundane explanations, and the most promising future evidence is likely to come from better instruments, shared databases and faster cross-checking rather than from louder retellings of old legends.

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