REF: UAP/1940s/022Unexplained
1948-10-15
Fukuoka F-61 radar chase
Fukuoka · Japan (US occupation)·Military radar-visual·1940s
Unexplained
§ ASummary
F-61 Black Widow crew made 6 intercept attempts on an object that accelerated away each time; early Project Sign case.
§ BWitnesses
F-61 crew (Oliver & Porter)
§ CEvidence & Documentation
Project Sign/Blue Book file
§ DOfficial Investigation
Project Sign
§ EStatus Assessment
Officially unexplained
§ FVerifiable Sources
Blue Book files; Sign case listings
§ GCross-referenced cases6
1946-05 to 1946-12🇸🇪 Sweden
Swedish 'Ghost Rockets'
Wave / physical-trace
1947-06-21🇺🇸 USA
Maury Island incident
Crash-debris claim (hoax)
1947-06-24🇺🇸 USA
Kenneth Arnold sighting
Pilot sighting (origin of 'flying saucer')
1947-07-08🇺🇸 USA
Roswell incident
Crash-debris recovery
1947-07-04🇺🇸 USA
United Air Lines Flight 105
Airline crew sighting
1947-07-07🇺🇸 USA
Rhodes photographs
Photographic