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PC Colin Perks's Wilmslow Sighting
January 7, 1966 · Alderley Road, Wilmslow, Cheshire
United Kingdom
UAP · Other · 15 sources
36Partially documented
Northeast Blackout UFO Sightings, Clay Substation and Syracuse (1965)
November 9, 1965 · Clay substation, near Syracuse, New York
United States
UAP · Sphere · 16 sources
35Partially documented
The Rex Heflin UFO Photographs, Santa Ana 1965
August 3, 1965 · Myford Road near Walnut Avenue, outside Santa Ana (Tustin/Irvine area), Orange County, California
United States
UAP · Disc / saucer · 39 sources · 16 photos
40Partially documented
Tinker AFB and Wichita Radar Sightings, 1965
August 1, 1965 · Tinker AFB, Midwest City (Oklahoma City), Oklahoma, with reports across Oklahoma and at Wichita, Kansas
United States
UAP · Formation · 17 sources
51Partially documented
The Big Sur Atlas Missile UFO Film
September 1964 · Anderson Peak area, Los Padres National Forest, above Big Sur, Monterey County, California (filming site); launch from Vandenberg AFB
United States
UAP · Disc / saucer · 38 sources
19Thinly documented
Pro early
Beauford E. Parham's Giant Spinning Top, Northeast Georgia, 1964
June 29, 1964 · Highway between Carnesville and Lavonia, Franklin County, Georgia
United States
UAP · Other · 9 sources
22Thinly documented
Pro early
The Willow Grove Close Encounter: Charles Brew's Milking-Shed Sighting
February 15, 1963 · Brew family dairy farm, Willow Grove, Victoria (northwest of Moe)
Australia
UAP · Disc / saucer · 20 sources
17Thinly documented
Pro early
The Camba Punta Airport Sphere
July 31, 1962 · Cambá Punta International Airport (now Doctor Fernando Piragine Niveyro International Airport), Corrientes
Argentina
UAP · Sphere · 15 sources
25Thinly documented
The Sauchie Poltergeist ("Wee Hughie"), Sauchie, Clackmannanshire, 1960
November 22, 1960 · 19 Park Crescent, Sauchie, Clackmannanshire, Scotland
United Kingdom
Paranormal · Other · 24 sources
22Thinly documented
Clan Lake crash
1960 · Clan Lake, about 30 miles north of Yellowknife, Northwest Territories
Canada
UAP · Other · 17 sources
33Partially documented
The Antônio Villas Boas Abduction
October 15, 1957 · Villas Boas family farm near São Francisco de Sales, Minas Gerais
Brazil
UAP · Egg · 64 sources
25Thinly documented
Pro early
The Lergravsviken "bicycle-bell" discs (the Åkerberg sighting), Gotland
August 5, 1957 · Lergravsviken, near Fårösund, Rute parish, Gotland
Sweden
UAP · Disc / saucer · 12 sources
20Thinly documented
Pro early
Captain Rainbow's NAC DC-3 "Flying Light", Waitara to the Waikato Coast
November 1, 1955 · Off the North Island west coast, from west of Waitara to the Waikato River mouth (between Ohura and Raglan)
New Zealand
UAP · Unknown · 17 sources
33Partially documented
The RAF Topcliffe "Perfect Flying Saucer" During Exercise Mainbrace
September 19, 1952 · RAF Topcliffe, near Thirsk, North Yorkshire (approach to RAF Dishforth)
United Kingdom
UAP · Disc / saucer · 20 sources
33Partially documented
Goose Bay AFB radar-visual sighting: "target suddenly enlarges"
June 19, 1952 · Goose Air Base (now CFB Goose Bay), Happy Valley-Goose Bay, Labrador
Canada
UAP · Unknown · 25 sources
44Partially documented
The Mariana UFO Film
August 15, 1950 · Legion Park, Great Falls, Montana
United States
UAP · Disc / saucer · 63 sources · 3 photos
55Partially documented
The Little Green Men of Steep Rock Lake
July 2, 1950 · Sawbill Bay, near Steep Rock Lake, Atikokan, Ontario
Canada
UAP · Disc / saucer · 14 sources
7Thinly documented
The Oskar Linke Landing at Haselbach
June 17, 1950 · Near Haselbach, by Gleimershausen, Thuringia (Soviet Zone)
Germany
UAP · Disc / saucer · 31 sources
37Partially documented
The McMinnville (Trent) UFO Photographs
May 11, 1950 · Trent farm, southwest of McMinnville, Yamhill County, Oregon
United States
UAP · Disc / saucer · 56 sources · 6 photos
37Partially documented
Pro early
Kodiak Naval Radar-Visual Encounters: P2V-3 Patrol Plane and USS Tillamook
January 22, 1950 · Naval Air Station Kodiak, Kodiak, Alaska
United States
UAP · Other · 18 sources
51Partially documented
  • Office of the Secretary of Defense· 9 pages· 2 pages mention it
    • p. 7 …Third, even if the charged particles are indeed rotating several thousand km above the Earth, it is still impossible for…
    • p. 8 …7 • 2 4 UFO Rotation Speed Spiral Spiral Shape Direction of Spiral Motion 1 - 2 cycle/min several disclike nearly…
  • Central Intelligence Agency· 1955-10-31· 2 pages· 1 page mentions it
    • p. 1 …It was also a similarly object with a single light in the middle at the top and a rotating light…
  • Central Intelligence Agency· 1950-06-01· 8 pages· 4 pages mention it
    • p. 5 …Flettner proved that the conditions of a rotating object are similar to those which appear in a "translatorischen" movement. Thus…
    • p. 7 …The attaching of spoodily rotating tops assures side stability. There is also the possibility of attaching horizontal auxiliary propellers of…
  • Central Intelligence Agency· 1980-10-01· 5 pages· 2 pages mention it
    • p. 3 …It was rotating (but I have forgotten the direction of rotation), and it had a power source that emitted light…
    • p. 4 …We saw only that it belched smoke and shot out tongues of flame as it rotated off to the south…
  • Central Intelligence Agency· 1956-01-24· 4 pages· 1 page mentions it
    • p. 3 …NOTION OF JET Rotated slowly as it rose Rotation not seen made three to seven spirals Rotated slowly NOTION OF…
  • The Black Vault· 2025-02· 26 pages· 7 pages mention it
    • p. 8 …This calculation was done by defining a line-of-sight (LOS) or “pointing” vector and then rotating this vector around…
    • p. 9 UNCLASSIFIED 9 UNCLASSIFIED elevation and denoted by β; the angle of rotation about the z-axis is the “left and…

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