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ACUFO is my comprehensive catalog of cases of encounters between aircraft and UFOs, whether they are "explained" or "unexplained".

The ACUFO catalog is made of case files with a case number, summary, quantitative information (date, location, number of witnesses...), classifications, all sources mentioning the case with their references, a discussion of the case in order to evaluate its causes, and a history of the changes made to the file.

Click on the links to access the corresponding folder.

 Date  Country  Place  Evaluation
01-31-1916 U-K. Near Rochford, Essex. Uncertain, possible misinterpretation.
00-01-1926 USA Between Wichita and Colorado Springs. High strangeness, unknown credibility.
09-00-1926 USA In Utah. Probably invented in 1994.
06-06-1931 Australia Over the Tasman Sea. Possible extraterrestrial craft, or mirage.
00-00-1932 Greenland (Denmark) East coast of Greenland. Possible extraterrestrial craft.
07-05-1933 U-K. In the Sussex. Probably invented in 1994.
10-10-1936 Italy Over Formiche di Grosseto. Probable meteor.
01-01-1937 USA In Virginie. Possible extraterrestrial craft, lack of information.
00-00-1937 USA Near Buren, Missouri. Totally insufficient information.
03-23-1940 Germany Cuxhaven. Insufficient information, possible meteor.
03-24-1940 Germany Wesermünde. Possible extraterrestrial craft.
01-00-1941 China In Manchuria. Totally insufficient information and credibility.
00-00-1942 Greenland (Denmark) Near Thule. Totally insufficient information.
03-14-1942 Norway Near the Banak military airfield. High strangeness, unknown credibility.
03-25-1942 Holland Over the Zuiderzee. Possible extraterrestrial craft.
05-17-1942 Germany Onasbrück, Germany. Possible meteor.
08-00-1942 Australia In the Bass Strait. Possible extraterrestrial craft, unknown credibility.
08-11-1942 Germany, Belgium Near Aachen and Verviers. Unidentified, possible mix of different events.
09-00-1942 Japan In the Sea of Japan. Probable photo fault, no credibility.
11-00-1942 France Bay of Biscay. Unknown credibility.
11-28-1942 Italy In the area of Turin. Possible extraterrestrial craft.
12-09-1942 France The Somme estuary. Unidentified.
00-00-1943 Burma Burma. Without credibility.
00-00-1943 USA Arizona. Without credibility.
00-00-1943 Atlantic Ocean between USA and U-K. Possible extraterrestrial craft, uncertain reliability.
01-05-1943 Germany Over Kiel. Insufficient information.
01-15-1943 France Over Cherbourg. Probable German flak.
03-00-1943 Tunisia Near Monastir. Possible extraterrestrial craft.
03-13-1943 Italy Near Naples. Possible red Moon.
05-00-1943 France Over the English Channel. Unidentified.
05-12-1943 Germany Duisburg. Probable meteor.
05-13-1943 Germany Dortmund. Probable meteor.
05-13-1943 Czech Republic Pilsen. Probable meteor.
05-04-1943 USA Long Beach. Possible extraterrestrial craft.
05-27-1943 Germany Essen. Possible engin extraterrestre.
00-00-1943 Germany Peenemünde. Possible extraterrestrial craft.
09-00-1943 France In France. Insufficient information.
06-26-1943 Germany Elbe estuary. Unidentified, totally insufficient information.
00-09-1943 Russia Pushkino. Insufficient information.
09-06-1943 Germany Stuttgart area. Possible fire bomb debris.
10-14-1943 Germany Above Schweinfurt. Unidentified.
11-26-1943 Germany Over Bremen. Unidentified, possible flares.
12-14-1943 Italy Naples area. Possible extraterrestrial craft.
00-00-1943 Germany Center of Germany. Possible extraterrestrial craft, problem in the report.
00-00-1943 Germany Bremen. Possible extraterrestrial craft.
12-11-1943 Germany Emden. Probable Messerschmitt Me-163 "Komet".
00-00-1944 India Over India. Invention.
00-00-1944 South Atlantic ocean. Possible extraterrestrial visitors, unknown credibility.
00-00-1944 Romania Ploesti. Insufficient information, unknown credibility.
01-03-1944 Germany Near Halberstadt. Unidentified.
01-05-1944 Germany Over Kiel. Possible Me-163's, insufficient information.
01-27-1944 Germany Near Berlin. Possible extraterrestrial craft.
01-28-1944 France Probably over the South of France. Insufficient information.
02-00-1944 Australia Bass Strait. Possible extraterrestrial craft, possible invention.
02-03-1944 Germany In Germany. Unidentified.
02-04-1944 Holland Dutch coast. Probable flak.
02-04-1944 Germany Over Francfort. Probable weather balloon.
02-08-1944 Germany Over Francfort. Probable weather balloon.
02-19-1944 Germany Over Aachen. Possible extraterrestrial craft.
02-19-1944 Germany Koblenz. Possible extraterrestrial craft.
02-19-1944 Germany Leipzig. Totally insufficient information.
02-25-1944 France Saint-Quentin. Possible German barrage balloons.
03-00-1944 USA Near Yakima. Possible planes, insufficient information.
03-01-1944 USA Carlsbad. Probable meteor.
04-11-1944 Germany Over Germany. Possible plane on flames, insufficient information.
04-25-1944 France Over France. Unidentified, insufficient information.
04-26-1944 France Above Essen. Possible extraterrestrial craft.
04-30-1944 France Near Anzio. Possible extraterrestrial craft.
05-00-1944 Austria Over Austria. Totally insufficient an doubtful information.
05-00-1944 France The English Channel. Totally insufficient information, unknown credibility.
06-00-1944 Italy Near Bari. Insufficient information, unknown credibility.
06-00-1944 Italy Over Firenze. Possible extraterrestrial craft, insufficient information.
06-06-1944 France In Normandy. Possible German fighter plane, unknown credibility.
07-25-1944 Germany Near Stuttgart. Extraterrestrial craft or searchlights.
00-00-1944 Italy In Italy. Totally insufficient information.
08-01-1944 Romania Over Ploesti. totally insufficient information, possible meteor.
08-12-1944 France Back from La Pallice. Possible extraterrestrial craft.
08-13-1944 Indonesia Kaoe Bay. Negative case, probable flare.
08-18-1944 Italy Near Alfonsine. Probable radar chaff.
09-00-1944 Burma Over Burma. Insufficient credibility.
00-09-1944 Germany Over Germany. Possible extraterrestrial craft.

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This page was last updated on October 26, 2023.