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Beachy Head radar 'blip' over the English Channel (1953)
1953 · RAF Beachy Head, near Eastbourne, East Sussex
United Kingdom
UAP · Unknown · 12 sources
24Thinly 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
Little Rissington UFO Incident
October 21, 1952 · RAF Little Rissington, Gloucestershire
United Kingdom
UAP · Disc / saucer · 17 sources
46Partially documented
The Angel Hair Sightings at Oloron-Sainte-Marie and Gaillac
October 17, 1952 · Oloron-Sainte-Marie, Béarn (Pyrénées-Atlantiques), and Gaillac, Tarn
France
UAP · Cigar · 15 sources
28Thinly 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
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
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
Truman Bethurum and Captain Aura Rhanes of Clarion
July 1952 · Mormon Mesa, Moapa Valley area, Clark County, Nevada
United States
UAP · Being / humanoid · 28 sources
17Thinly documented
Fort Monmouth radar and T-33 sightings
September 10, 1951 · Fort Monmouth, Point Pleasant and Sandy Hook, New Jersey
United States
UAP · Disc / saucer · 20 sources
49Partially documented
Flight Lieutenant Stan Hubbard's Farnborough discs
August 14, 1950 · Royal Aircraft Establishment airfield, Farnborough, Hampshire
United Kingdom
UAP · Disc / saucer · 15 sources
28Thinly 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 RAF Tangmere Meteor Flying Saucer and the Wartling Radar Return
June 1, 1950 · Portsmouth area, Hampshire (pilot from RAF Tangmere, radar at RAF Wartling)
United Kingdom
UAP · Disc / saucer · 8 sources
42Partially documented
Mount Palomar Observatory Sightings and Cosmic-Ray Counter Anomalies
October 14, 1949 · Palomar Observatory, Palomar Mountain, San Diego County, California
United States
UAP · Formation · 18 sources
36Partially documented
RAF Bircham Newton: the sick-quarters footsteps and the haunted squash court
August 1949 · RAF Bircham Newton, near Docking, Norfolk, England
United Kingdom
Paranormal · Being / humanoid · 17 sources
22Thinly documented
Louis Staub's Phantom Kangaroo, Grove City, Ohio (1949)
January 1949 · Highway about 2 miles south of Grove City, Franklin County, Ohio
United States
Cryptid · Creature · 13 sources
14Thinly documented
The Gorman Dogfight
October 1, 1948 · Hector Airport, Fargo, North Dakota
United States
UAP · Orb / light · 58 sources
47Partially documented
The Aztec Crashed Saucer Hoax
March 1948 · Hart Canyon mesa, about 12 miles northeast of Aztec, San Juan County, New Mexico
United States
UAP · Disc / saucer · 74 sources
29Thinly documented
Churchill's Alleged UFO Cover-Up: The RAF Reconnaissance Plane Encounter
c. 1944 · Near or over the English coastline (reportedly the east coast of England)
United Kingdom
UAP · Unknown · 29 sources
23Thinly documented
The Alsworth and Hammersley Floatplane Sighting of the Iliamna Lake Monster, 1942
September 1942 · Near an unnamed island in the middle of Iliamna Lake, Alaska
United States
Cryptid · Creature · 24 sources
20Thinly documented
The Gourock Sea Serpent: Charles Rankin's 27-Foot Carcass on the Clyde
June 1942 · Shore near McInroy's Point, Ashton, Gourock, Inverclyde, Scotland
United Kingdom
Cryptid · Creature · 16 sources
29Thinly documented
  • Central Intelligence Agency· 1952-09-02· 2 pages· 2 pages mention it
    • p. 1 …others deemed appropriate by the principals. RALPH L. CLARK RALPH L. CLARK CC: Chief, Opas/SI - 1 Chief, SAO/SI…
    • p. 2 …others deemed appropriate by the principals. RALPH L. CLARK RALPH L. CLARK CC: Chief, Opso/SI = 1 Chief, SAD/SI…
  • Central Intelligence Agency· 1952-10-14· 1 pages· 1 page mentions it
    • p. 1 …others deemed appropriate by the principals. Ralph P. Clark RALPH I. CLARK Cox CC: Chief, Opns/SI - 1 Chief, SAD…
  • Internet Archive (DocumentCloud mirror of Telegraph upload)· 160 pages· 78 pages mention it
    • p. 25 …david clarke Section 40 27 July 2006 09:47 Section 40 Re: FOIA request Attachments: MoDFOIJuly06.doc MoDFOIJuly06.doc (29…
    • p. 157 ## Section 40 david clarke Section 40 01 September 2005 09:50 Re: Freedom of Information request Importance: High I attach…
  • Fcda Meeting FOIA release
    Central Intelligence Agency· 1953-03-04· 2 pages· 2 pages mention it
    • p. 1 …set for April 30th. I told him that Mr. Clark would represent OSI, and would be accompanied by Dr. H…
    • p. 2 …set for April 30th. I told him that Mr. Clark would represent OSI, and would be accompanied by Dr. H…
  • Fcda Meeting FOIA release
    Central Intelligence Agency· 1953-04-23· 1 pages· 1 page mentions it
    • p. 1 …set for April 30th. I told him that Mr. Clark would represent OSI, and would be accompanied by Dr. H…
  • The National Archives· 3 pages· 3 pages mention it
    • p. 2 …Dr David Clarke continues: “These files also detail the background to the MoD‟s decision to release these files to…
    • p. 3 …The inside story of real-life sightings by Dr Clarke is available from The National Archives online bookshop. Images Images…

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