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The Bethune Encounter: US Navy Flight 125 off Newfoundland
February 10, 1951 · North Atlantic, about 200 miles northeast of Argentia, Newfoundland (the 'Gander' case)
Canada
UAP · Disc / saucer · 24 sources
33Partially documented
The Sioux City Mystery Plane
January 20, 1951 · Sioux City municipal airport (now Sioux Gateway Airport), Sioux City, Iowa
United States
UAP · Other · 18 sources
38Partially 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 · 45 sources
38Partially documented
Capt. Willis T. Sperry and the American Airlines DC-6 sighting near Mount Vernon, Virginia
May 29, 1950 · About seven miles west of Mount Vernon, Fairfax County, Virginia, after departure from Washington National Airport
United States
UAP · Cigar · 13 sources
23Thinly documented
Bruno Facchini's encounter at Abbiate Guazzone
April 24, 1950 · Abbiate Guazzone, Tradate, Province of Varese, Lombardy
Italy
UAP · Being / humanoid · 19 sources
25Thinly documented
Chicago & Southern Airlines DC-3 porthole disc, Hazen, Arkansas
March 20, 1950 · Near Hazen, Prairie County, Arkansas, about 40 miles east of Little Rock, north of Stuttgart
United States
UAP · Disc / saucer · 19 sources
20Thinly documented
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
The Paget Silver Sphere, Bermuda 1949
June 20, 1949 · South Shore, Paget Parish, Bermuda
Bermuda
UAP · Sphere · 6 sources
21Thinly documented
The Jackson "Megaphone" Object: Pilot Thomas A. Rush and Blue Book Incident 233 (1949)
January 1, 1949 · In the air east of Jackson, Hinds County, Mississippi, on approach to North Jackson Airpark
United States
UAP · Cigar · 15 sources
30Partially documented
The Fukuoka F-61 Black Widow Radar-Visual Intercept
October 15, 1948 · About 50 miles northwest of Fukuoka, off the northwest coast of Kyushu, over the Korea Strait
Japan
UAP · Cigar · 16 sources
46Partially documented
The Chiles-Whitted Encounter
July 24, 1948 · 20 miles southwest of Montgomery, Alabama (near Hayneville, Lowndes County)
United States
UAP · Cigar · 66 sources
41Partially documented
The St. Louis and Alton Giant Bird Flap (Thunderbird Sightings), 1948
April 1948 · Alton, Illinois, and greater St. Louis, Missouri, with a separate cluster around Caledonia and Freeport, northern Illinois
United States
Cryptid · Creature · 14 sources
28Thinly documented
The Illinois and Missouri Giant Bird Wave of 1948
April 1948 · Alton, Belvidere, Caledonia and Freeport, Illinois, and the St. Louis area, Missouri
United States
Cryptid · Creature · 17 sources
33Partially documented
The Chehalis Birdman: Bernice Zaikowski's flying man
January 6, 1948 · Chehalis, Lewis County, Washington
United States
Cryptid · Creature · 13 sources
14Thinly documented
The "Party of Nine" Morag Sighting on Loch Morar
1948 · Loch Morar, Lochaber, Scotland
United Kingdom
Cryptid · Creature · 18 sources
18Thinly documented
The Santa Clara Sea Serpent: A Ship Strikes a Monster off North Carolina
December 30, 1947 · Atlantic Ocean, off Cape Lookout and Cape Hatteras, North Carolina
International waters
Cryptid · Creature · 13 sources
15Thinly documented
The Villa Santina Encounter: L. R. Johannis and the Red Disc of Raveo
August 14, 1947 · Chiarsò valley, lower slopes of Col Gentile, near Raveo and Villa Santina, Carnia, province of Udine, Friuli
Italy
UAP · Disc / saucer · 20 sources
13Thinly documented
The José Higgins Encounter at Goio-Bang, Paraná
July 23, 1947 · Colônia Goio-Bang, northwest of Pitanga (today Luiziana), Paraná
Brazil
UAP · Being / humanoid · 23 sources
16Thinly documented
The Maury Island Incident
June 21, 1947 · East Passage of Puget Sound, off Maury Island, King County, Washington
United States
UAP · Other · 77 sources
35Partially documented
  • Central Intelligence Agency· 1957-07-26· 2 pages· 2 pages mention it
    • p. 1 …About two years ago he had his first encounter with an unidentified flying object. This encounter occurred, as he stated…
    • p. 2 …During the 11th of May 11th and 12th had an encounter with a flight encounter, as he states, in three…
  • Central Intelligence Agency· 1957-06-05· 3 pages· 3 pages mention it
    • p. 2 …About the same age he had his first encounter with an unidentified flying object. This encounter occurred, as he stated…
    • p. 3 …During the light of May 11th and 12th, he had an encounter with a flyin' cancer, as he states, in…
  • FAA via The Black Vault· 7 pages· 2 pages mention it
    • p. 1 …You requested all records pertaining to the February 21, 2021 encounter between American Airlines Flight 2292 and an unknown object…
    • p. 6 …American Airlines Encounter I do not. --- K rk Baldin, P.E. P ncipal Ope at ons Inspecto Ame can Ai…
  • Central Intelligence Agency· 2005-07-13· 3 pages· 2 pages mention it
    • p. 1 …About two years ago had his first encounter with an unidentified flying object. This encounter occurred, as he stated, in…
    • p. 3 …During the night of May 11th and 12th, had an encounter with a flying saucer, as he states, in three…
  • West Lothian Council· 1 pages· 1 page mentions it
    • p. 1 …1013 Encounter: Unidentified Flying Object (UFO) Location: Dechmont Law, West Lothian, Scotland Date of incident: November 9, 1979 The Account…
  • Congress.gov· 2023-07-26· 5 pages· 3 pages mention it
    • p. 1 …UAP encounters in W-72
    • p. 2 …Advanced UAP defy conventional explanation The UAP we encountered and tracked on multiple sensors behaved in ways that surpassed our…

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