Documents / Official release
This FBI file serial from case 62-HQ-83894 holds several copies of Air Intelligence Requirements Memorandum Number 4, "Unconventional Aircraft." Major General C. P. Cabell, Director of Intelligence at Headquarters United States Air Force, issued the memorandum on 15 February 1949. It sets continuing Air Force requirements for information on unidentified flying objects, including "Flying Discs," and tells commands to send reports to Air Materiel Command at Wright-Patterson AFB. It also includes a detailed checklist covering sighting details, observers, radar data and physical evidence, and the FBI Director appears on its distribution list.
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.
“King”1 page
RESTRICTED (2) Supplementary written reports, prepared on AF Form 112, wlll be forwarded to the Director of Intelligence , Headquarters United States Alr Force. (3) Commanding General, Air Materiel Command ls authorized direct contact with major Alr Commands (overseas) and organizations under their control ln connection wlth the development of information on this subject. c. Major Air Commands (ZI) (1) Reports will be forwarded direct t o the Commanding Ge neral, Alr Materiel Command, Wright-Patterson Air Force Base, Dayton, Ohio, Attn: MCIAXO-3 by installations receiv ing information pertaining to the r equirements enunciated in Part II. (2) Copies of such r eports may be supplied the Command Headquarters of the installation concerned. (3) A copy of all reports sent to Air Materiel Command ln accordance with these instruc tions will be forwarded at the same tlme to the Director of Intelllgence, Headquarter s United States Air Force . (4) Written r eports wlll be submitted on AF Form 112. (5) Commanding General, Air Materiel Command is authorized direct contact with major Air Commands (ZI) and organizations under their control in connection with the develop ment of information on this subject. d. Non-Alr Force Agencies (1) Addressees ot~er than those of the United States Air Force are requested to forward reports direct to the Commanding General, Air Materiel Command, Wright-Patterson Air Force Base, Dayton, Ohio, Attn: MCIAXO-3 . (2) In order to reduce the time factor involved in transmission of this type of information it is requested that, wher ever communications facilities permit, subordinate elements be authorized to communicate reports direct to the Commanding General, Air Materiel Com mand. PART II - REQUIREMENTS General 1. Date of sighting. 2. Time of sighting (zonal by 24 hr. clock). 3. Where sighted (observer's position): a. Ground (1) City, town. (2) DI.stance and direction from city or town, road, intersection, etc. (3) From building (story), yard, etc . (4) Map coordinates (l.f feasible) s howing latitude and longitude . - 2 - RESTRICTED
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 137 pages are in the text index: search them above, or from the library's search.