Documents / Official release
65 HS1-834228961 62-HQ-83894 Serial 164
Federal Bureau of Investigation · 137 pages · text from the file's own layer
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.
“Office of Special Investigations”13 pages
- p. 8 …CABELL
Major General, USAF
Director of Intelligence, Office of
Deputy Chief of Staff, Operations
DISTRIBUTION:
Commanding…
- p. 32 …CABELL
Major General, USAF
Director of Intelligence, Office of
Deputy Chief of Staff, Operations
DISTRJBUTION:
Commanding…
- p. 48 …CABELL
Major General, USAF
Director of lntell1gence, Office of
Deputy Chief of Staff, Operations
DISTRIBUTION:
Commanding…
- p. 56 …CABELL
Major General, USAF
Director of Intelllgence, Office of
Deputy Chief of Staff, Operations
DISTRIBUTION:
Commanding…
- p. 64 …CABELL
Major General, USAF
Director of Intelllgence, Office of
Deputy Chief of Staff, Operations
DISTRIBUTION:
Commanding…
- p. 72 …CABELL
Major General, USAF
Director of Intel11gence, Office of
Deputy Chief of Staff, Operations
DISTRlBUTION:
Commanding…
- p. 80 …CABELL
Major General, USAF
Director of Intelligence, Office of
Deputy Chief of Sta!f, Operations
DISTRIBUTION…
- p. 88 …CABELL
Major General, USAF
Director of Intelllgence, Office of
Deputy Chief of Staff, Operations
DISTRIBUTION:
Commanding…
- p. 96 …CABELL
Major General, USAF
Director of Intelllgence, Office of
Deputy Chief of Staff, Operations
DISTRIBUTION:
Commanding…
- p. 112 …CABELL
Major General, USAF
Director of IntelUgence, Office of
Deputy Chief of Staff, Operations
DISTRIBUTION:
Commanding…
- p. 120 …CABELL
Major General, USAF
Director of Intelligence, Office of
Deputy Chief of Staff, Operations
DISTRlBUTION:
Commanding…
- p. 128 …CABELL
Major General, USAF
Director of IntelUgence, Office of
Deputy Chief of Staff, Operations
DISTRIBUTION:
Commanding…
- p. 136 …CABELL
Major General, USAF
Director of IntelHgence, Office of
Deputy Chief of Sta!f, Operations
DISTRIBUTION…
RESTRICTED
RESTRICTED
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About this file
Official release, from the pursue collection. The PDF is mirrored here; the original link is under it. 137 pages are in the text index: search them above, or from the library's search.