REF: UAP/1940s/018Explained
1948-01-07
Mantell crash
Fort Knox, KY · USA·Military fatality·1940s
Explained
§ ASummary
P-51 pilot Capt. Thomas Mantell died chasing a large metallic object to 20,000+ ft without oxygen; first widely publicized UFO-linked death.
§ BWitnesses
Capt. Thomas Mantell; Godman AAF tower personnel
§ CEvidence & Documentation
Tower logs; crash investigation; Blue Book file
§ DOfficial Investigation
Project Sign/Blue Book
§ EStatus Assessment
Explained: Skyhook balloon (then-classified) + hypoxia; initially fueled 'hostile saucer' fears
§ FVerifiable Sources
Ruppelt (1956); Blue Book files; en.wikipedia.org/wiki/Mantell_UFO_incident
§ GCross-referenced cases6
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
1947-07-08🇺🇸 USA
Muroc AFB (Edwards) sightings
Military base multi-sighting