Browse every indexed UAP case tied to FBI. This landing page turns the broader archive into a focused agency dossier for search, internal linking, and research.
In July 1947, Roswell Army Air Field announced the recovery of a 'flying disc' near Roswell, New Mexico, then retracted the statement and identified the debris as a balloon. It became the most widely cited UFO case in U.S. history.
Federal agents witnessed orange orbs described as resembling 'the Eye of Sauron without a pupil', emitting smaller red orbs in groups of 2–4. Rated 'among the most compelling cases in AARO's holdings.'
FBI Photo B20: an infrared still of an unidentified craft hovering at under 1,000 ft for 45 minutes. Object defied wind conditions and maintained perfect stationary position with no discernible propulsion.
Socorro police officer Lonnie Zamora observed a white oval craft with red insignia resting on legs in an arroyo, attended by two figures in white. He observed the craft take off with a roaring flame, become silent after 20 feet, and depart at high speed. Physical evidence — burned vegetation, soil compression, metal scrapings — was immediately confirmed by State Police and Army investigators. Project Blue Book listed this as 'unknown.'
Over the course of two hours on November 2, 1957, nine independent witnesses in and around Levelland, Texas reported their vehicles' engines dying and headlights extinguishing when a large, glowing egg-shaped object appeared near or over their vehicles. Engines and electrical systems restarted immediately when the object departed. Six separate highway incidents in different locations within a 10-mile radius all occurred within the same two-hour window.
Private pilot Kenneth Arnold reported nine crescent-shaped objects flying in formation near Mount Rainier at an estimated 1,700 mph — far exceeding any known aircraft of the era. His account coined the term 'flying saucer' and triggered the first formal FBI and Army Air Force investigation.
Harbor patrolman Harold Dahl reported six donut-shaped objects over Puget Sound, one of which ejected metallic and slag-like debris that damaged his boat and injured a crew member. FBI files document the subsequent investigation and the mysterious deaths of two Army Air Force officers carrying recovered material.
A series of brilliant green fireballs overflew the Los Alamos and Sandia nuclear facilities repeatedly throughout 1948–1949. The Air Force, FBI, and nuclear scientists concluded the objects did not match meteor or ball lightning behavior. Dr. Lincoln La Paz formally assessed them as artificial in a classified report to the FBI.
Seven civilians including a National Guard member observed a pulsing craft and tall luminous entity on a hillside in Flatwoods, West Virginia. Multiple witnesses reported physical symptoms including irritated eyes and throat consistent with chemical exposure. FBI and USAF investigators formally documented the case; local sheriff Robert Carr filed an official report.
Two Kentucky families reported a multi-hour siege by several small luminous humanoid entities at a rural farmhouse. The witnesses, finding they could not be harmed by gunfire, barricaded themselves and eventually fled. Kentucky State Police officers, Christian County Sheriff's deputies, and US Army MP personnel from nearby Fort Campbell responded. Officials documented a pattern of bullet holes in the house and found strange metallic-looking rings around the well.
The Cape Girardeau incident is one of the alleged pre-Roswell crash recovery cases. Reverend William Huffman reportedly witnessed a crashed craft and non-human occupants and was asked to pray over the bodies. His family members testified to his account decades later. FBI records referencing 'three discs recovered' in the Midwest were later cited in connection with 1940s crash recovery allegations. The case is unverified but has been investigated by multiple researchers using FOIA requests.
The Great Airship Wave of 1896–1897 involved hundreds of reports across the United States of large cigar-shaped airships — years before controlled powered flight. The Aurora, Texas incident on April 17, 1897 reported a crash of an unidentified craft on a local judge's property and an alleged non-human occupant buried in the Aurora cemetery. Texas state historical records document the incident; the Dallas Morning News published the original account. Modern ground-penetrating radar surveys of the grave site found anomalous metallic material.
A formation of seven disc-shaped objects was observed by a United Airlines pilot and confirmed by Civil Aeronautics Authority tower operators at Ukiah. Forty ground witnesses independently reported the event. The FBI Ukiah field office filed an official investigation report to J. Edgar Hoover.
Hundreds of witnesses including police and highway patrol officers observed a large formation of luminous orbs over Cuyahoga Falls during the 1952 wave. The FBI's Cleveland field office investigated and the case was forwarded to J. Edgar Hoover. Air Defense Command scrambled fighters from Wright-Patterson.
Three years after Kenneth Arnold's first modern sighting near the same mountain, a USAF pilot and multiple airline crews observed a nine-disc formation in the same corridor. The FBI Seattle office investigated and filed a classified duplicate of the Arnold-era reports, noting the geographic persistence of the phenomenon.
A two-hour wave of triangular craft sightings swept through the Buffalo–Niagara region in April 1990. Buffalo Police received over 300 calls. WBEN television news crews filmed the craft on video. The FBI Buffalo field office investigated and filed classified reports alongside the police.
An unidentified object was tracked simultaneously by Iowa State University's experimental radar and Ames Municipal Airport ATC for 30 minutes. Local police confirmed visual observation. The FBI Des Moines field office investigated, filing a classified report to Washington citing the dual-radar confirmation as highly significant.
Portage County sheriff's deputies chased a large luminous orb across 85 miles of Ohio and into Pennsylvania in the pre-dawn hours. Multiple police departments joined the pursuit. The event was later dramatically depicted in the film 'Close Encounters of the Third Kind' and inspired the Condon Committee investigation.
Hundreds of New Yorkers observed a formation of luminous orbs perform coordinated maneuvers over Manhattan in daylight. New York ATC radar confirmed the contacts. The FBI's New York field office filed one of the largest civilian mass sighting reports of the 1950s.
Chicago experienced a major 45-minute mass sighting one day before the famous Ann Arbor wave. O'Hare Airport tower confirmed multiple disc-shaped contacts. Chicago Police received over 500 calls. The FBI's Chicago field office conducted a parallel investigation to the Air Force Blue Book inquiry.
Three women driving near Stanford Kentucky observed a massive disc and subsequently lost 1.5 hours of time. Hypnotic regression revealed consistent accounts of examination aboard the craft. The Kentucky State Police investigated and the FBI's Louisville field office filed a report citing the women's credibility.
Boeing factory workers and ATC controllers in Wichita observed a formation of discs on the same night as the Washington DC peak overflights. McConnell AFB radar confirmed the contacts. The FBI's Wichita office investigated and the case was cross-referenced to the Washington events in Blue Book files.
Multiple Xenia police officers and Greene County deputies observed a low disc over the city during the 1973 fall wave. Wright-Patterson AFB radar — just 10 miles away — confirmed the contact. The proximity to WPAFB gave the incident unusual significance in Blue Book successor program files.
A disc-shaped craft hovered over the Connecticut River valley straddling the Vermont–New Hampshire border for 15 minutes. Both state police departments and an Army Reserve unit on training exercises filed official reports. The FBI Boston field office coordinated the cross-state investigation.
On the peak night of the 1952 wave — July 28, concurrent with Washington DC — New York State experienced its own mass sighting event. Griffiss AFB near Rome tracked multiple contacts. State Police received 400+ calls. The FBI's Albany and Syracuse offices coordinated one of their largest UAP investigations.
The Ann Arbor-Dexter Michigan events triggered the most consequential political response to any UAP wave in history. Dr. J. Allen Hynek's 'swamp gas' explanation caused a national uproar, led directly to Congressional hearings, and Representative Gerald Ford demanding a full investigation.
Cuban rural workers observed a disc land in a field near Camagüey and reported it to Cuban military police. The Cuban government investigated and reported the incident to US intelligence through diplomatic channels during the Batista period. The FBI's Havana legal attaché compiled the report.
Kenneth Arnold's landmark sighting on June 24, 1947 began the modern UAP era. Arnold observed nine crescent-shaped objects flying in chain formation near Mount Rainier at 1,700 mph. He coined the term 'flying saucers.' The same day, over 20 other independent reports were filed across the Pacific Northwest.
Amateur geologist Stefan Michalak suffered radiation burns, a grid-pattern chest injury, and subsequent radiation sickness after approaching a landed disc that discharged hot gas through a ventilation grid. Canadian authorities, RCMP, RCAF, and the US military all investigated. Physical evidence at the landing site was confirmed radioactive. Considered Canada's most documented physical UAP case.
Two US Navy patrol aircraft and Kodiak Naval Air Station radar tracked a large metallic disc performing high-speed maneuvers over the strategic Alaskan naval base. The disc demonstrated the ability to reverse direction without deceleration. The commanding officer filed an intelligence report to the Office of Naval Intelligence. The FBI was copied on the report — it appears in the FBI Vault UAP files as one of Alaska's earliest naval encounters.
Multiple witnesses observed a craft crash into Shag Harbour, Nova Scotia. The RCMP, Canadian Coast Guard, and Royal Canadian Navy responded. Divers found nothing at the crash site. Declassified Canadian government documents show the incident was classified. US Navy vessels participated in the search. Witness testimony from Canadian Navy divers who surfaced the retrieval operation at a second location emerged in the 1990s. Canada's most documented possible crash retrieval.
Socorro Police Officer Lonnie Zamora observed an oval craft on legs in the desert with two humanoid figures. When he approached, the craft emitted a loud roar and departed. Physical evidence included scorched vegetation, burned soil, and four landing pad impressions. Project Blue Book investigator Dr. J. Allen Hynek called it 'the most authentic' case in the Blue Book files. FBI and Army Intelligence both investigated.
Canadian Naval vessel HMCS Nipigon tracked an unknown subsurface contact in Lake Ontario for 40 minutes that subsequently breached the surface and departed aerially. Sonar operators described a cylindrical object moving at 75 knots underwater. US Navy research vessels in the area also tracked the contact. The FBI was notified due to proximity to the US-Canada border and the Fitzpatrick nuclear facility.
Multiple Elizabethtown and Kentucky State Police officers simultaneously observed a large luminous orb at rooftop altitude performing maneuvers over the city. The encounter was radioed across multiple law enforcement agencies simultaneously. Officers described the craft as larger than a house hovering in complete silence. National UFO Reporting Center received 40+ calls. FBI Louisville field office received report.
Ed Walters captured a series of photographs of low-altitude disc-shaped craft in Gulf Breeze Florida over several weeks in 1987-1988. Local police officers, neighbors, and MUFON investigators independently corroborated sightings. The photographs were analyzed by Ground Saucer Watch and NASA image specialists. The Gulf Breeze case generated significant controversy and media coverage, with the Pensacola Naval Air Station nearby providing an unusual military aviation context.
Liquor store owner George O'Barski reported a disc landing in North Hudson Park, New Jersey, with humanoid figures descending and collecting soil samples. Multiple physical ground traces were found. NICAP and UFO investigator Budd Hopkins investigated. O'Barski also reported that an apartment building doorman and residents of a residential building directly overlooking the park corroborated his observations. FBI file documents the case.
US Army Reserve Captain Lawrence Coyne and his three-man helicopter crew experienced a near-collision with a metallic craft that then appeared to lift their Huey from 1,700 feet back to 3,500 feet without any crew input to the collective. Civilian ground witnesses in four separate vehicles corroborated seeing the helicopter beam of light. The UN Special Committee on Outer Space Affairs included the case in its UAP records. United Nations report cited it.
RCMP Constable JL Charlton observed and pursued a metallic disc performing maneuvers in the Hamilton Ontario area, experiencing radio communications interference during the pursuit. Hamilton Airport tower tracked the contact. The RCMP filed an official report. The US FBI received a copy due to proximity to the US-Canada border and cross-border visibility of the craft. The case appears in both RCMP and FBI files.
Navajo Nation tribal police and reservation residents reported an extensive wave of triangular craft observations across the Navajo Reservation spanning Arizona, New Mexico, and Utah in 1994. Navajo Nation tribal police filed formal reports. Navajo Nation Council members raised the encounters with state law enforcement. The FBI Phoenix field office received reports. The geographic concentration across the sacred Navajo territory gave the wave cultural as well as security significance.
The first widely-publicized alleged abduction case to undergo sustained scientific and psychiatric investigation. Betty and Barney Hill observed a disc-shaped craft that paced their car on US Route 3, and experienced a two-hour gap in memory. Under hypnotic regression conducted by Boston psychiatrist Dr. Benjamin Simon, both independently described similar medical examination scenarios aboard the craft. Betty Hill produced a hand-drawn star map that amateur astronomer Marjorie Fish later claimed matched the Zeta Reticuli system.
Three days before the Kenneth Arnold sighting, harbor patrolman Harold Dahl reported observing six doughnut-shaped craft, one of which appeared troubled and dropped hot metal slag onto his patrol boat, injuring his son and killing his dog. Dahl recovered slag fragments. A military intelligence officer sent to investigate was killed with his aircraft when it crashed after the investigation. The FBI examined the case. It was later alleged that Dahl had fabricated the account, but the slag fragments were genuine and analyzed.
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