Documents / Official release
This Federal Bureau of Investigation file section (62-HQ-83894, Section 4) collects 1947 to 1949 correspondence on flying discs. It includes Portland police officers' accounts of a silvery object over the city on September 11, 1947, an Alaska pilot's July 1947 sighting near Bethel, citizen letters answered by J. Edgar Hoover, and a 1948 Air Defense Command directive on disc investigations. The FBI replied that it was conducting no flying disc investigations. Later items concern William Albert Rhodes's disc photographs and a Los Angeles letter judged a probable prank.
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.
“R.G.”4 pages
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FBI SALT LAKE CITY 4 - 5- 49
~!OR U R G E N T
('.) FLYING DISCS . INFORMATION RECEIVED AT LOGAN, UTAH ELEVEN AM TODAY
r
THAT AT NINE AM A GUARD AT THE AR~Y GENERAL SUPPLY DEPOT, OGDEM, UTAH,
OBSERVED WHAT APPEARED TO BE AN EXPLOSION IN THE AIR ACCOMPANIED BY
A FLASH OF LIGHT FOLLOWED BY THE FALLING OF SILVER COLORED OBJEC1 .
THIS WAS SEEN AT HIGH ALTITUDE WEST OF OGDEN NEAR THE TOWN OF TAYLOR,
UTAH . ABOUT THE SAME TIME LT . RON HATFIELD OF LOGAN, UTAH PD SAH TWO
PUFFS OF SMOKE HIGH IN THE AIR WEST OF LOGAN FOLLOWED BY FALLING OF
SILVER COLORED OBJECT. ALSO AT ABOUT SAME TI ME UTAH HI GHl:JAY PATROLMAN
L. N. JEPPSON AT MANTUA, UTAH, SAW A SILVER COLORED OBJECT HIGH UP
APPROACHING THE MOUNTAINS AT SARDINE CANYON BETWEEN LOGAN AND BRIGPAM
CI TY, UTAH AND AS OBJECT NEARED THE MOUNTAIN IT APPEARED ~ EXPLODE IN A
FLASH OF FIRE . SEVERAL RESIDENTS AT TRENTON, UTAH, WHrtf IS WEST OF
~
LOGAN, HAVE REPORTED TO SO, LOGAN, SEEING \JHAT APPEA- TO BE TI10 AERIAL
EXPLOSIONS FOLLOWED BY FALLING OBJECT WEST OF TRENTON AT ABOUT NINE
TWENTY AM TODAY . ABOVE INFOR~•ATION IMMEDIATELY FURNISHED TO OSI,
HI LL FIELD, UTAH . . ANY FURHIER PERTINENT DEVELOPt1ENTS WI LL BE FURNISHED
BUREAU FOR INFORMATION . OSI PILL FIELD HAS .JUST NOW ADVISED
-- ABOVE
u
PHEr•40MENA PROBAELY CAUSED BY Tt:O B TI<1ENTYIH NES FROM t:ENDOVER FIELD
W~CJ:- ARE PRACTICE - BOMBING IN THE DESERT WEST OF LOG~N FRO¼ EK {i_rn/.LY / ~
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HIGH ALTITUDES WHICH WOU~D CAUSE VAPOR TRAILS . OSI ECKING AND
WILL ADVISE THIS OFFICE OF RESULTS . \~
~~~~ • 9 AP 1 1849
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FURTHER
j- rve:ACK AND ~~ s Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 214 pages are in the text index: search them above, or from the library's search.