Operation Plate: The Colares UFO Attacks

In the final months of 1977, something descended upon the small island community of Colares in the Brazilian state of Pará that would leave its residents terrorized, its victims physically scarred, and its investigators forever changed. Night after night, luminous objects appeared in the skies above this remote fishing village on the northern coast, directing concentrated beams of light at terrified inhabitants who had no means of defense and no explanation for what was happening to them. The phenomenon was so persistent, so violent, and so widespread that it prompted the Brazilian Air Force to launch a formal military investigation—an operation that would produce hundreds of photographs, thousands of witness testimonies, and a body of evidence that remains among the most compelling and disturbing in the history of UFO research. What happened at Colares was not a distant sighting or a fleeting encounter. It was an extended siege.

The Island at the Edge of the World

To appreciate the vulnerability of the people who endured the Colares attacks, one must first understand the isolation and character of this community. Colares is a small island municipality situated in the Marajó Bay region at the mouth of the Amazon River, surrounded by mangrove swamps and accessible primarily by boat. In 1977, its population numbered roughly 30,000, most of whom lived in scattered fishing villages along the coastline and riverbanks. There was no significant industry, no military installation, and no technological infrastructure that might attract unusual attention. The people of Colares were fishermen, farmers, and their families—simple communities bound by Catholic faith, local folklore, and the rhythms of the tides.

The region’s remoteness meant that residents had limited access to outside media, and while Brazil’s major cities were experiencing the cultural upheavals of the late 1970s, life on Colares continued much as it had for generations. The islanders were intimately familiar with the natural world around them—the movements of fish, the behavior of storms, the patterns of the stars they navigated by. These were not people prone to misidentifying conventional aircraft or natural phenomena. They knew their skies, and what appeared above them in the autumn of 1977 was nothing they had ever seen before.

The first reports of unusual lights began filtering in during August and September of that year, initially from the more remote villages along the coast and from fishermen returning from nighttime expeditions on the bay. Strange luminous objects were seen moving across the sky at speeds and in patterns that defied any conventional explanation. They hovered, changed direction instantaneously, and emitted light of unusual colors and intensities. At first, these sightings were treated as curiosities—strange but not threatening. That assessment changed dramatically as October arrived.

Chupa-Chupa: The Attacks Begin

The escalation from sightings to attacks happened with terrifying swiftness. Beginning in early October 1977, residents of Colares and the surrounding communities began reporting direct physical assaults by the luminous objects. The phenomenon acquired a local name that captured the visceral horror of the experience: “Chupa-Chupa,” meaning “sucker-sucker,” a reference to the sensation victims described of having their energy or blood drawn from their bodies by the beams of light.

The attacks followed a disturbingly consistent pattern. Objects would appear in the night sky, often between midnight and dawn, moving silently or with a low humming sound. They varied in shape—some were described as cylindrical, others as disc-shaped, and still others as roughly spherical—but all emitted intensely focused beams of light that could be directed at specific individuals with apparent precision. Victims described seeing the beam approach, feeling a sudden paralysis, and then experiencing an intense burning sensation at the point of contact. Many lost consciousness. When they awoke, they bore physical marks—circular burns, small puncture wounds, and areas of numbness that persisted for days or weeks.

The medical symptoms were remarkably uniform across hundreds of victims. Doctors who examined those attacked noted burns consistent with radiation exposure, unexplained puncture marks that did not bleed as ordinary wounds would, and a characteristic pattern of extreme fatigue and weakness that could last for weeks after an encounter. Some victims reported that the affected areas of skin lost pigmentation, turning pale in patches that took months to return to normal. Blood samples from several victims showed abnormally low red blood cell counts, as though something had been extracted from their bodies.

Women were disproportionately targeted, particularly those who were alone or in small groups. Dr. Wellaide Cecim Carvalho, a physician at the local health unit in Colares, treated dozens of victims and documented their injuries with clinical precision. She reported examining patients with unusual burn marks on their chests, necks, and faces—marks that did not resemble any conventional burn she had encountered in her medical training. The burns appeared to originate from a focused energy source rather than from flame or heated objects. Several patients arrived at her clinic in states of extreme shock, unable to speak coherently about what had happened to them.

The terror that gripped Colares during these weeks is difficult to overstate. Families abandoned their homes, fleeing to the interior of the island or crossing to the mainland. Those who remained organized nighttime vigils, lighting bonfires and banging pots and pans in desperate attempts to ward off the objects. Fishermen refused to go out on the water after dark, devastating the local economy that depended on nocturnal fishing. Churches filled with people praying for deliverance. The mayor of Colares, desperate for help, sent urgent communications to state and federal authorities describing a crisis that his small municipality was powerless to address.

At least two women were reported to have died following attacks, though the exact circumstances and causes of death remain subjects of debate among researchers. What is not in dispute is that the community was experiencing a genuine medical crisis, with scores of people presenting injuries that local healthcare facilities were not equipped to treat or explain.

Operation Plate: The Military Response

The scale of the panic and the sheer volume of reports finally compelled the Brazilian Air Force to act. In November 1977, the Fourth Regional Air Command (COMAR IV), based in Belém, dispatched a team to Colares under the command of Captain Uyrangê Bolivar Soares Nogueira de Hollanda Lima. The mission was designated Operação Prato—Operation Plate—a name derived from the disc-shaped objects that featured prominently in witness descriptions.

Captain Hollanda arrived in Colares expecting to debunk a case of mass hysteria fueled by superstition and isolation. He was a career military officer, trained in disciplined observation and skeptical of extraordinary claims. What he found on the island shattered those expectations within days. The physical evidence was undeniable: he could see the burns on victims’ bodies, interview witnesses whose terror was palpable and genuine, and—most remarkably—observe the objects themselves.

Over the course of approximately four months, Hollanda and his team conducted what remains the most extensive official military investigation of UFO phenomena ever undertaken by any government. The operation produced roughly 500 photographs and several hours of film footage documenting luminous objects in the skies above Colares. The team recorded approximately 2,000 individual sighting reports and conducted hundreds of detailed interviews with witnesses. They set up observation posts at strategic locations around the island, equipped with cameras, binoculars, and recording equipment, and maintained systematic logs of all activity.

The photographs captured during Operation Plate show luminous objects of various shapes and sizes against the night sky over Colares. Some images depict disc-shaped craft with clearly defined edges and apparent structural features. Others show elongated or cylindrical objects emitting beams of light toward the ground. While individual photographs can always be questioned, the sheer volume of visual documentation, combined with simultaneous eyewitness corroboration, creates a body of evidence that is extraordinarily difficult to dismiss.

Hollanda’s team also documented the physical effects on victims with military thoroughness. They photographed injuries, recorded medical examinations, and catalogued the symptoms reported by those who had been struck by the beams. The consistency of these medical findings across dozens of unrelated victims—many of whom had no contact with each other and lived in separate villages—constituted some of the most compelling evidence that a genuine physical phenomenon was occurring.

The military personnel themselves became witnesses. On multiple occasions, members of Hollanda’s team observed the objects at close range during their nighttime surveillance operations. These were trained military observers with no motivation to fabricate or embellish their reports, and their accounts corroborated what the civilian population had been describing for months. The objects were real, they were physical, and they were behaving in ways that no known technology could explain.

The Silence and the Aftermath

Despite the extraordinary nature of the evidence collected during Operation Plate, the investigation was abruptly terminated in early 1978. Hollanda’s team was recalled, their documentation was classified, and the official position of the Brazilian Air Force became one of studied silence. No public report was issued, no explanation was offered to the traumatized residents of Colares, and the entire affair was treated as though it had never happened.

The reasons for this sudden shutdown have never been satisfactorily explained. Some researchers believe that the military’s own findings were so alarming that senior officials decided suppression was preferable to disclosure. Others suggest that pressure from outside Brazil—possibly from the United States, which maintained close military ties with Brazil’s then-military government—led to the classification of the material. Whatever the cause, the people of Colares were left without answers, their suffering officially unacknowledged.

The attacks themselves gradually subsided in the early months of 1978, though sporadic sightings continued in the region for years afterward. The community was left to heal as best it could, carrying physical scars and psychological trauma that would endure for decades. Many victims never fully recovered their health, and the collective memory of the Chupa-Chupa attacks became a defining element of local identity—a shared nightmare that bound the community together even as it separated them from a wider world that had largely ignored their ordeal.

For Captain Hollanda, the experience of Operation Plate proved to be a transformative and ultimately tragic chapter in his life. After retiring from the Air Force, he remained haunted by what he had witnessed and increasingly frustrated by the government’s refusal to acknowledge the reality of the Colares events. In 1997, twenty years after the operation, Hollanda agreed to a series of interviews with UFO researchers, including Brazilian ufologist Ademar José Gevaerd, in which he spoke candidly about his experiences for the first time.

Hollanda’s testimony was extraordinary. He confirmed the authenticity of the photographs and documentation, described his own close-range encounters with the objects, and stated unequivocally that the phenomena were real and non-terrestrial in origin. He expressed regret that the investigation had been shut down and that the evidence had been hidden from the public. He described feeling a profound sense of duty to the people of Colares, who had suffered without recognition or assistance, and he spoke of the personal toll that keeping silent had taken on him over two decades.

Two months after giving these interviews, Hollanda was found dead in his home. The official cause of death was suicide. His death sent shockwaves through the UFO research community and raised inevitable questions about whether his decision to speak publicly had put him in danger. No evidence of foul play was established, and those who knew him acknowledged that he had been struggling with depression and health problems. Nevertheless, the timing of his death cast a shadow over the Colares case that has never fully lifted.

The Evidence Emerges

The classified documents from Operation Plate began to surface in the early 2000s, as Brazil gradually adopted a more open policy regarding its UFO files. In 2004, the Brazilian Air Force began releasing previously classified UFO documents to civilian researchers, and materials from Operation Plate were among the files made available. The photographs, reports, and testimony that emerged confirmed much of what Hollanda had described in his interviews and provided a level of official documentation rare in UFO cases anywhere in the world.

The released materials revealed the systematic nature of the investigation and the seriousness with which the military had treated the phenomena. Far from the perfunctory dismissals that characterize many government responses to UFO reports, Operation Plate represented a genuine effort to understand what was happening at Colares. The quality of the documentation reflected the professionalism of Hollanda’s team and their recognition that they were dealing with something unprecedented.

Medical records released alongside the military files corroborated the testimony of Dr. Wellaide Cecim Carvalho and other local physicians. The injuries documented were consistent across victims and did not match any known natural or conventional cause. Radiation-like burns, puncture wounds with unusual characteristics, and the persistent anemia reported by victims all pointed to exposure to an energy source that remained unidentified.

Theories and Interpretations

The Colares events have generated extensive debate among researchers, and explanations range from the extraterrestrial to the psychological to the geophysical. Those who accept the physical reality of the attacks—and the medical evidence makes this position difficult to avoid—must still grapple with the question of what the objects were and why they targeted this particular community.

The extraterrestrial hypothesis, favored by Hollanda himself, holds that the objects were craft of non-human origin conducting some form of biological sampling or experimentation on the population. The focused nature of the beams, the apparent targeting of specific individuals, and the medical effects consistent with energy or blood extraction all support the interpretation that the attacks were purposeful rather than random. Proponents of this view point to the sheer impossibility of the observed flight characteristics—instantaneous acceleration, silent hovering, and impossibly sharp directional changes—as evidence that the objects were not of terrestrial manufacture.

Skeptics have proposed various alternative explanations, though none has proven fully satisfactory. Mass hysteria has been suggested, but this fails to account for the documented physical injuries and the photographic evidence gathered by trained military observers. Misidentification of natural phenomena such as ball lightning or atmospheric plasma has been offered, but these phenomena do not exhibit the sustained, directed behavior described by thousands of witnesses over a period of months. Conventional military testing of directed-energy weapons has been proposed by some researchers, though no evidence has emerged to support this theory, and the remote location and impoverished population of Colares would make it an unlikely testing ground.

The geophysical hypothesis suggests that tectonic stress in the Amazon basin may have generated unusual electromagnetic phenomena—so-called earthlights or piezoelectric discharges—that could account for the luminous objects. While this theory has some scientific plausibility, it struggles to explain the apparent intelligence and purposefulness of the objects’ behavior, their ability to direct focused beams at specific individuals, and the consistency of the medical injuries across victims.

A Community That Remembers

Nearly five decades after the events of 1977, Colares still carries the memory of the Chupa-Chupa attacks. Older residents who lived through the terror can recount their experiences with the vivid immediacy of trauma that time has not dulled. Some still bear the scars—faded circular marks on their skin, patches of altered pigmentation that never fully returned to normal. The psychological impact endures as well: a wariness of the night sky, a tendency to keep lights burning after dark, and an unease that surfaces whenever conversation turns to what happened during those desperate months.

The younger generations of Colares have inherited this memory, and the Chupa-Chupa has become woven into the cultural fabric of the community. It is spoken of not as legend or folklore but as history—something that happened to real people, to parents and grandparents whose injuries could be seen and whose fear could not be feigned. This grounding in lived experience gives the Colares case a weight and authenticity that distinguishes it from many UFO accounts that rely solely on the testimony of isolated individuals.

Researchers and journalists who have visited Colares in the decades since the attacks consistently remark on the sincerity and consistency of the testimony they encounter. These are not people seeking attention or profit from their stories. Many are reluctant to revisit the subject at all, and those who do speak often do so with the quiet gravity of people describing something they wish had never happened to them.

The Significance of Colares

Operation Plate stands as a singular event in the history of UFO research, and the Colares attacks represent one of the most extensively documented cases of direct physical interaction between unidentified phenomena and a human population. The combination of mass eyewitness testimony, documented physical injuries, military investigation, photographic evidence, and eventual government disclosure creates a case file of unusual depth and credibility.

What makes Colares particularly significant is that it resists easy dismissal. The witnesses numbered in the thousands. The injuries were real and medically documented. The military investigation was thorough and produced tangible evidence. The investigating officer sacrificed his career and ultimately his silence to testify to the reality of what he witnessed. The Brazilian government itself eventually acknowledged the investigation and released its findings. At every level—civilian, medical, military, governmental—the Colares case is supported by evidence that demands serious consideration.

Whatever the ultimate explanation for the events of 1977 may be, the suffering of the people of Colares was real, their injuries were genuine, and their story deserves to be remembered. In the annals of humanity’s encounter with the unexplained, few episodes are as well-documented, as physically consequential, or as deeply troubling as the night the lights came to Colares and the island community found itself at the mercy of something it could neither understand nor escape.

Sources

• Wikipedia search: “Operation Plate: The Colares UFO Attacks”
• CIA UFO/UAP Reading Room — Declassified CIA documents on UAP