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The Flatwoods Monster
September 12, 1952 · G. Bailey Fisher farm, Flatwoods, Braxton County, West Virginia
United States
Cryptid · Creature · 68 sources
46Partially documented
Yaak Air Force Station radar-visual sightings
September 1, 1952 · Yaak Air Force Station, Hensley Hill, Lincoln County, Montana
United States
UAP · Cigar · 12 sources
40Partially documented
William Squyres and the Propeller-Rimmed Disc, Pittsburg, Kansas
August 25, 1952 · Yale road, about 200 yards north of US Highway 160, northeast of Frontenac, near Pittsburg, Crawford County, Kansas
United States
UAP · Disc / saucer · 9 sources
24Thinly documented
The Florida Scoutmaster Case: Sonny DesVergers and the Palmetto Scrub Encounter
August 19, 1952 · Military Trail, inland from West Palm Beach, Palm Beach County, Florida
United States
UAP · Disc / saucer · 24 sources
36Partially documented
Haneda AFB radar-visual sighting and F-94 intercept
August 5, 1952 · Haneda Air Force Base, Tokyo (now Tokyo International Airport), Japan
Japan
UAP · Disc / saucer · 24 sources
61Well documented
Bellefontaine Radar-Visual and Gun-Camera Intercept
August 1, 1952 · Bellefontaine Air Force Station (Campbell Hill) and the Dayton area, Ohio
United States
UAP · Sphere · 19 sources
54Partially documented
The Passaic UFO Photographs (George J. Stock)
July 31, 1952 · 221 Brooks Avenue, Passaic, New Jersey
United States
UAP · Disc / saucer · 24 sources · 2 photos
37Partially documented
Pottstown F-94 Starfire Encounter
July 23, 1952 · Pottstown, Montgomery County, Pennsylvania
United States
UAP · Other · 15 sources
26Thinly 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
Salem Coast Guard Air Station UFO Photograph
July 16, 1952 · U.S. Coast Guard Air Station Salem, Winter Island, Salem, Massachusetts
United States
UAP · Formation · 22 sources · 3 photos
41Partially documented
Paul R. Hill's Hampton Roads sighting
July 16, 1952 · Hampton waterfront, looking south over Hampton Roads, Virginia
United States
UAP · Sphere · 20 sources
26Thinly 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
The Asni and Oukaïmeden Sighting and the Moroccan Saucer Cluster of July 1952
July 13, 1952 · Oukaïmeden ski station and the Sanglier qui fume inn near Asni, High Atlas, south of Marrakech
Morocco
UAP · Sphere · 15 sources
37Partially documented
The Dakar Flaming Saucer
July 3, 1952 · Dakar, French West Africa
Senegal
UAP · Other · 12 sources
12Thinly documented
The Tremonton UFO Film (The Newhouse Film)
July 2, 1952 · U.S. Highway 30S, about 7 miles from Tremonton, Box Elder County, Utah
United States
UAP · Disc / saucer · 50 sources · 6 photos
47Partially 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
Savannah River Plant Discs over the 400 Area, Ellenton, South Carolina
May 10, 1952 · 400 Area (D Area heavy-water plant), Savannah River Plant, near Ellenton, South Carolina
United States
UAP · Disc / saucer · 21 sources
28Thinly documented
The Barra da Tijuca Flying Disc Photographs
May 7, 1952 · Barra da Tijuca, Rio de Janeiro
Brazil
UAP · Disc / saucer · 29 sources · 12 photos
41Partially documented
Davis-Monthan AFB: Two Discs Pace a B-36 (The Case of the Missing Report)
May 1, 1952 · Davis-Monthan AFB, Tucson, Pima County, Arizona
United States
UAP · Disc / saucer · 19 sources
32Partially documented
Project Second Storey, Canada's Interdepartmental UFO Committee
April 22, 1952 · Ottawa, Ontario
Canada
UAP · Disc / saucer · 21 sources
40Partially documented
  • Internet Archive· 309 pages· 96 pages mention it
    • p. 105 …Evaluation of Unit Sightings by Sighting Reliability Groups, 1948 132 Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups…
    • p. 107 …Evaluation of All Sightings by Duration of Sighting, 1948 154 Table A84. Evaluation of All Sightings by Duration of Sighting…
  • United States Air Force, Air Technical Intelligence Center· 1955-05-05· 309 pages· 96 pages mention it
    • p. 105 …Evaluation of Unit Sightings by Sighting Reliability Groups, 1948 132 Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups…
    • p. 107 …Evaluation of All Sightings by Duration of Sighting, 1948 154 Table A84. Evaluation of All Sightings by Duration of Sighting…
  • Central Intelligence Agency· 2005-07-12· 312 pages· 140 pages mention it
    • p. 107 …Evaluation of Unit Sightings by Sighting Reliability Groups, 1948. 132 Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups…
    • p. 108 …Evaluation of All Sightings for 1952 by Sighting Reliability Groups, Civilian Observers 139 Table A60. Reported Colors of Objects Sighted…
  • Central Intelligence Agency· 312 pages· 95 pages mention it
    • p. 107 …Evaluation of Unit Sightings by Sighting Reliability Groups, 1948 . Table A35. Evaluation of Unit Sightings by Sighting Reliability Groups, 1949…
    • p. 109 …Evaluation of All Sightings by Duration of Sighting, 1948 Table A84. Evaluation of All Sightings by Duration of Sighting, 1949…
  • Department of Defense. Office of the Secretary of Defense.· 2023· 16 pages· 14 pages mention it
    • p. 5 …A timeline of reported sightings for the study period is provided in Figure 1, with a marked peak in sightings…
    • p. 10 …increasing sightings); values below 1 indicate a negative relationship (decreasing sightings). For example, the coefficient for Mean Light Pollution is…
  • Central Intelligence Agency· 2001-04-30· 5 pages· 5 pages mention it
    • p. 1 # NEWS RELEASE PLEASE NOTE DATE IMMEDIATE RELEASE ## FACT SHEET AIR FORCE UFO REPORT A total of 173 sightings of unidentified…
    • p. 4 …first, there is no evidence that unidentified sightings were inimical or hostile; second, there is no evidence that unidentified sightings…

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