Documents / Official release
65 HS1-834228961 62-HQ-83894 Section 006
Federal Bureau of Investigation · 271 pages · text by OCR, confidence 97%
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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.
CONFIDENTIAL
Summary of Sightings of Unknown Aerial Phenomena, 17th District OSI (cont)
Page 34
Number
Date
Time
Number of Observers
*Reliability of Observers
General Area of Occurrence
Apparent Direction of Flight
Apparent Altitude
Course Horizontal to Vertical
Color
Train or Trail
Duration of Observation
Sound
Shape
Apparent Size
Apparent Speed
Manner of Disappearance
**Evaluation
184
1950
25 Feb
1545
1
R
Los Alamos,
New Mexico
N to SWS
Very high
White to silver
None
30 secs
None
Circular
About size of 50¢ piece at its height
Very fast
Disappeared into glare of sun
(3)
185
25 Feb
1550
1
R
Los Alamos,
New Mexico
S or SW
12,000'
Metallic
None
Few secs
None
As large or larger than average plane
Fast
Faded from view
(2)
186
25 Feb
1545
1555
14
R
Los Alamos,
New Mexico
NE to SW
Overhead at from 4 to 10 miles
Traveled w/a fluttering motion
Silver
None
Few secs to 2 mts
None
Round
Vary from 4" to small airplane
Very fast 500 - 1500 mph
(2)
187
25 Feb
1655
1
R
Los Alamos,
New Mexico
E to W
Shiny silver
10-15 secs
None
Round
About size of B-25 fuselage
Slow speed
Disappeared behind tree
(2)
188
10 Mar
1800
1830
6
Unk
Phoenix,
Arizona
SE
40,000-50,000'
Moved upward at 60° angle
Aluminum or quick silver
Yes
10 mts
None
Oval or ob-long
Size of moon
Extremely high
Disappeared
(2)
189
5 Mar
1135
1300
4
R
Vaughn,
New Mexico
Traveled 195°
Straight flight
White
None
1 hr 25 mts
None
Round
Ping pong ball at arm's length
180 to 200 mph
Ceased observation
(2)
CONFIDENTIAL
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 (mean confidence 97%); expect the odd misread word. 271 pages are in the text index: search them above, or from the library's search.