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The Edwards AFB Radar-Visual Incident
October 7, 1965 · Edwards Air Force Base, Mojave Desert, California
United States
UAP · Unknown · 27 sources
51Partially documented
The Exeter Incident
September 3, 1965 · Route 150, Kensington, near Exeter, New Hampshire
United States
UAP · Other · 50 sources
33Partially 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 San Damiano Apparitions, the Madonna delle Rose of Piacenza
October 16, 1964 · Borgo Paglia, San Damiano, San Giorgio Piacentino, Piacenza, Emilia-Romagna
Italy
Paranormal · Being / humanoid · 24 sources · 2 photos
32Partially documented
Betty and Barney Hill Abduction
September 19, 1961 · US Route 3 near Indian Head, Lincoln, New Hampshire
United States
UAP · Being / humanoid · 61 sources
43Partially documented
The Red Bluff Incident: Two Highway Patrolmen and the Silent Object
August 13, 1960 · Hoag Road, east of Corning, Tehama County, California
United States
UAP · Egg · 18 sources
32Partially documented
Three Manipogos seen by seventeen strangers at Toutes Aides, Lake Manitoba (1960)
August 10, 1960 · Near Toutes Aides, Lake Manitoba, Manitoba
Canada
Cryptid · Creature · 19 sources
33Partially documented
The BOAC 'Flying Jellyfish': Captain James Howard and the Stratocruiser Centaurus
June 29, 1954 · Near the Quebec-Labrador border, about 150 nautical miles southwest of Goose Bay, Labrador
Canada
UAP · Formation · 16 sources
30Partially documented
Ellsworth AFB Radar-Visual Case and F-84 Pursuit, South Dakota, 1953
August 5, 1953 · Black Hawk Ground Observer Corps post and Ellsworth Air Force Base, near Rapid City, South Dakota
United States
UAP · Other · 24 sources
60Well documented
B-29 radar-visual encounter over the Gulf of Mexico (Karas, Naumann / "Harter and Coleman")
December 6, 1952 · Gulf of Mexico, about 100 miles south of the Louisiana coast, about 190 miles from Galveston, Texas
United States
UAP · Other · 23 sources
47Partially documented
The 1952 Washington, D.C. UFO Flap
July 19, 1952 · Washington National Airport and Andrews AFB, Washington, D.C. area
United States
UAP · Orb / light · 97 sources
61Well documented
The Nash-Fortenberry Sighting over Chesapeake Bay
July 14, 1952 · Over Chesapeake Bay, near Newport News, Virginia
United States
UAP · Disc / saucer · 23 sources
25Thinly documented
Clyde Tombaugh sighting, Las Cruces
August 20, 1949 · Las Cruces, Doña Ana County, New Mexico
United States
UAP · Formation · 19 sources
22Thinly documented
The Kenneth Arnold Sighting
June 24, 1947 · Near Mount Rainier and Mineral, Washington
United States
UAP · Other · 67 sources
35Partially documented
The Min Min light over the Min Min Hotel graveyard
c. 1918 · Min Min Hotel site, between Winton and Boulia, western Queensland
Australia
Paranormal · Orb / light · 26 sources
11Thinly documented
The Miracle of the Sun at Fátima
October 13, 1917 · Cova da Iria, Fátima, Ourém, Portugal
Portugal
UAP · Disc / saucer · 47 sources · 4 photos
48Partially documented
The Ghost Ship of New Haven: the Great Shippe apparition, 1647
c. 1647 · New Haven Harbor, New Haven Colony (now New Haven, Connecticut)
United States
Paranormal · Other · 22 sources
24Thinly documented
  • Department of Defense. Department of the Air Force. Air Materiel Command. Intelligence Department. Technical Intelligence Division.· 1947· 2 pages· 1 page mentions it
    • p. 2 …GENTLEMEN! THE RADAR-SIGHTINGS OVER WASHINGTON WERE CAUSED BY TEMPERATURE INVERSION. THE OBJECTS WERE REFLECTIONS OF GROUND OBJECTS...CARS...TRAINS…
  • Flying Saucers FOIA release
    Central Intelligence Agency· 1952-07-05· 3 pages· 2 pages mention it
    • p. 1 …phenomena (meteorites, clouds, aberration of light caused by thermal inversion or reflections, etc.). b. Less than 100 reasonably credible reports…
    • p. 2 …phenomena (meteorites, clouds, aberration of light caused by thermal inversion or reflections, etc.). b. Less than 100 reasonably credible reports…
  • Center for UFO Studies· 139 pages· 10 pages mention it
    • p. 11 …Correlation of controllers' reports with Weather Bureau records indicated that a temperature inversion almost always existed when such targets appeared…
    • p. 19 …Temperature inversion reflections can give a return on a radar scope that is as sharp as that received from an…
  • assort1 FOIA release
    Office of the Secretary of Defense· 40 pages· 8 pages mention it
    • p. 28 …gradients in the area (i.e., for possible aloft inversions). The CJCS also questioned the advisability of scrambling aircraft against…
    • p. 34 …The temperature inversion analysis indicated no significant temperature inversion at Eglin AFB at that time. The only inversion present was…
  • NICAP· 40 pages· 8 pages mention it
    • p. 28 …gradients in the area (i.e., for possible aloft inversions). The CJCS also questioned the advisability of scrambling aircraft against…
    • p. 34 …The temperature inversion analysis indicated no significant temperature inversion at Eglin AFB at that time. The only inversion present was…
  • Flying Saucers FOIA release
    Central Intelligence Agency· 1952-08-01· 2 pages· 1 page mentions it
    • p. 1 …phenomena (noteorites, clouds, aberration of light caused by thermal inversion or reflections, etc.). b. Less than 100 reasonably credible reports…

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