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.
“The Advance”3 pages
I SAC, Phoenix Jwie 30, 1949 Director, FBI ILLIAll WrBR:Pmoms INFOi"WATIOU CONCERNING FLRHG DISCS Reiutlet Juno 8, 1949, captioned "Fltina Discs. " It ia believed that the reference appearing 1n the tirat line ot yoar referenced letter to the Blu-eaQ 1a incorrect. Complete detail.a concerning the c:atter reterred to in 1our referenced COIJlllluni.cation appear 1.o a letter from your ottice dated September 4, 'J.947, and not Septvmber 9, 1947. Pursuant to ,10ur request, .rou are granted authority to tumt.ah the attached blind tJ1m0randu.1J1, which was forwarded to the Bu.reau with 1our referenced letter !or approval, to lb-. 1qnn c. Aldrich, OOI repreeentativo, Phoenix, li.r1£ona. Attacliment EHM:EFF ~ .;::.. 0 7\ ~ .r::.c.:o • ' llr. Tolson l::; 8½:~n-- llr. Ladd.--_-_-_ llr. Nichols llr. Rosen - llr. Tracy-- ..... llgan._-.:::::::=llr. OUrnin ::: :..~-==11r. Pennington_ llr. Qulrm Tam_ Tele. Roo11__ :f;/"~ ----·-- • -COMMUNICATIONS SECTION MAILED 15 JUL 11949 P.M.* .Dtn~ il. ~ or l~STl~!IO'f JllS11C£
Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. 214 pages are in the text index: search them above, or from the library's search.