UFO and UAP cases: landing and trace cases

17 well-documented UFO/UAP encounters of the kind “landing / trace case”, 1945 to 2023: 6 disputed, 6 unresolved, 3 identified, 2 explained. Each case has its sources, timeline and the official or best explanation.

17 cases

• The Trinity crash story 16 August 1945 · The Padilla ranch near San Antonio, New Mexico, north-west of the Trinity test site DISPUTED
• Ängelholm landing report 18 May 1946 · Kronoskogen, Ängelholm, Sweden DISPUTED
• Aztec “crashed saucer” — the story that ended in a fraud trial 25 March 1948 · Hart Canyon, about 12 miles north-east of Aztec, New Mexico (as the story told it) EXPLAINED
• Quarouble railway encounter — Marius Dewilde 10 September 1954 · Quarouble, near Valenciennes, Nord, France UNRESOLVED
• Ubatuba magnesium fragments 14 September 1957 · Ubatuba, São Paulo, Brazil DISPUTED
• Socorro landing (Lonnie Zamora) 24 April 1964 · Socorro, New Mexico UNRESOLVED
• Valensole landing 1 July 1965 · Lavender field, Valensole, Alpes-de-Haute-Provence UNRESOLVED
• Tully "saucer nest" 19 January 1966 · Horseshoe Lagoon near Tully, Queensland DISPUTED
• Falcon Lake incident 20 May 1967 · Falcon Lake, Whiteshell Provincial Park, Manitoba DISPUTED
• Six “flying saucers” across southern England (hoax) 4 September 1967 · A line of six sites from the Isle of Sheppey, Kent, to Clevedon, Somerset IDENTIFIED
• Delphos ring 2 November 1971 · Delphos, Kansas UNRESOLVED
• The Betz mystery sphere 27 March 1974 · Fort George Island, Jacksonville, Florida EXPLAINED
• Langenburg rings 1 September 1974 · Langenburg, Saskatchewan UNRESOLVED
• Trans-en-Provence landing trace 8 January 1981 · Trans-en-Provence, Var UNRESOLVED
• Dalnegorsk “Height 611” crash 29 January 1986 · Dalnegorsk, Primorsky Krai, Russia DISPUTED
• Crop circles — Doug Bower and Dave Chorley own up 9 September 1991 · The fields of Hampshire and Wiltshire; their first circles near Cheesefoot Head, Winchester IDENTIFIED
• The “Nazca mummies” shown to Mexico’s Congress 12 September 2023 · Chamber of Deputies, San Lázaro, Mexico City (the figures came from the Nazca area of Peru) IDENTIFIED

By kind of encounter

• Photo and video cases 48
• Military encounters 37
• Close encounters 35
• Aviation encounters 31
• Mass sightings 30
• Tracked object events 22
• Radar-visual cases 20
• Recurring lights 15
• Historical accounts 6