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FBI file 62-HQ-83894, serial 164

Department of War · 137 pages · text from the file's own layer

This FBI file serial 164 in 62-HQ-83894 holds several copies of Air Intelligence Requirements Memorandum Number 4, "Unconventional Aircraft," issued 15 February 1949 by the Directorate of Intelligence, Headquarters United States Air Force. Major General C. P. Cabell signed it. It sets out continuing Air Force requirements for information on unconventional aircraft and unidentified flying objects, including "Flying Discs," and tells commands and outside agencies to send reports to the Air Materiel Command at Wright-Patterson AFB. It also lists detailed reporting questions on sightings, observers, radar data and physical evidence.

  • 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…
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c. Odor (if any).
d. Rate of evaporation.
e . Does trail vary wl.th sound? (spurts)
12. Effect on clouds.
a . Opened path thru clouds.
b. Forced cloud or ml.sts.
c. Re.fleeted on cloud.
d. Showed thru cloud.
13. Llghts.
a. Reflected or attached.
b. Luminous
c . Blinked on and off in r elation to speed.
14, Support
a. Wings.
b . Aerodynamic list of fuselage.
c. Vertical jet.
d. Rotating cylinder or cone.
e. Aerostatl.c lift (balloon or dirigible).
15. Propulsion.
a. Propeller or jet.
b. Rotor.
c. Aerodynamic vanes (flapping or oscillatlng) (Katz Mayer effect).
d. Visible exhaust or jet openings.
16. Control and stabllity.
a. Fins
b. Stabilizers (horizontal or vertical).
(1) Sl.ze.
(2) Shape.
(3) Location.
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