REF: UAP/1940s/012Unexplained
1947-06-21
Maury Island incident
Puget Sound, WA · USA·Crash-debris claim (hoax)·1940s
Unexplained
§ ASummary
Harold Dahl claimed slag-like debris from a 'doughnut' craft damaged his boat; first 'Men in Black' story; two AAF investigators died in B-25 crash flying samples.
§ BWitnesses
Harold Dahl, Fred Crisman
§ CEvidence & Documentation
Slag samples (identified as smelter slag); FBI/AAF files
§ DOfficial Investigation
Army Air Forces + FBI investigation (1947)
§ EStatus Assessment
Officially declared a hoax; Dahl recanted
§ FVerifiable Sources
FBI FOIA files; Ruppelt, 'Report on UFOs' (1956); en.wikipedia.org/wiki/Maury_Island_incident
§ GCross-referenced cases6
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
1947-07-08🇺🇸 USA
Muroc AFB (Edwards) sightings
Military base multi-sighting
1948-01-07🇺🇸 USA
Mantell crash
Military fatality