Documents / Official release

65 HS1-834228961 62-HQ-83894 Section 006

Federal Bureau of Investigation · 271 pages · text by OCR

This Federal Bureau of Investigation file section, 62-HQ-83894 Section 6 (serials 246 to 301), collects FBI memoranda and correspondence from 1950 to 1952 on flying saucers. It covers green fireballs and discs seen near sensitive installations in New Mexico, Dr. Lincoln LaPaz's analysis, and the Air Force's Land-Air study known as Project Twinkle. It also holds an OSI summary, a USAF directive on reporting unconventional aircraft, a dissolving object reported by Philadelphia police, and letters from members of the public.

From the source:Release of 2026-05-08 Incident: N/A, N/A. The FBI's 62-HQ-83894 case file includes investigative records, eyewitness testimonies, and public reports concerning Unidentified Flying Objects and flying discs documented between June 1947 and July 1968. The records include high-profile incident accounts, photographic evidence from sites like Oak Ridge, TN, and technical proposals regarding potential propulsion systems. Additional topics include convention programs, researcher accounts, and extensive media coverage from the period. This file is partially posted on FBI vault with more redactions and some pages missing. Included here is the complete case file with several newly declassified pages and only minor redactions.

  • p. 115 …Captain Mantell could never have reached the height at which the balloon was traveling." "Our studies…
  • p. 172 …30, 1947, with the understanding he might never have them returned. Blumenthal was advised the FBI…
  • p. 178 …had not been dreaming." He continued: 'I never heard the expression flying saucer until I escaped…
  • p. 179 …And the Oval wicket, though it needed watching, was never anything remotely wicked. Yorkshire have a…
  • p. 182 …30, 1947, with the understanding he might never have them returned. Blumenthal was advised the FBI…
  • p. 185 …30, 1947, with the understanding he might never have them returned. Blumenthal was advised the FBI…
  • p. 198 …He advised that the sightings reported in the last classification have never been satisfactorily explained. He…
  • p. 222 …Jesus Leoffreda Benson be salvaged your have never heard of Bentford doe he I effects the…
  • p. 243 ## (3) When you look at it from that point you can see they can never be…
  • p. 251 …cloud being charged electrically and a magnetic polarity being same as the interceptor it can never
  • p. 253 …being same as the interceptor it can never be overtaken, and would if persued gradually grow…
  • p. 260 …Since air lenses are almost never perfect, the world we see through them is distorted and…
Summary of Sightings of Unknown Aerial Phenomena, 17th District OSI (cont)

Number	Date	Time	Number of Observers	*Reliability of Observers	General Area of Occurrence	Apparent Direction of Flight	Apparent Altitude	Course Horizontal or Vertical	Color	Train or Trail	Duration of Conservation	Sound	Shape	Apparent Size	Apparent Speed	Manner of Disappearance	**Evaluation
	195011 Mar	0100	1	R	Holloman AFB, New	App 270°	About 30° above horizon at distance of 50 miles	Straight flight	Changed from light orange to blood red to amber to light green	None	5 mts	None	Ping pong ball	Ping pong ball held at arm's length Disappeared from view	(2)
191	16 Mar	1100	10	Unk	Farmington, New Mexico	N to NE Turned on their axis & maneuvered up & down	Bright luminous as tin foil	None	3-5 mts	None	Flat spheriodic	1 to 6"	Faster than conventional aircraft	Discontinued observation	(2)
2	16 Mar	1000	10	Unk	Farmington, New Mexico	NE	Over 20,000'	Skyward at at 60°-80°	Bright aluminum	None	30 mts	None	Oval & oblong	1/16" - 1/2" held at arm's length	Faster than conventional aircraft	Gradually disappeared	(2)
193	17 Mar	0310	1	R	Los Alamos, New Mexico	Toward earth Toward earth	Reddish then green	None	1 sec	None Appeared to fall to earth	(3)
194	17 Mar	0308	1	R	Los Alamos, New Mexico	NE Level flight	Greenish yellow	None	3 secs	None	Round	1/4 size of full moon	Moderate	Like light going out	(3)

Cases discussed

About this file

Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 271 pages are in the text index: search them above, or from the library's search.