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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.

Open the PDF at page 37 Original source ↗

“Sea”22 pages

  • p. 4 …s aircraft. (4) Latitude and longitude.' c . Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 12 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 19 …contact with major Al.r Commands (over seas) and organizations under their control in connection with…
  • p. 20 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 28 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proxlmity to land…
  • p. 35 …direct contact with major Air Commands (over seas) and organizations under their control in connection with…
  • p. 36 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proxlmity to land…
  • p. 43 …direct contact with major Air Commands (over seas) and organizations under their control in connection with…
  • p. 44 …s aircraft. (4) Latitude and longitude. c . Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 52 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 58 …Major Air Commands (Over seas) and Air Attaches (1) Initial and supplementary cabled r eports will…
  • p. 60 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proxlml.ty to…
  • p. 68 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 74 …Major Air Commands (Over seas) and Air Attaches (1) Initial and supplementary cabled r eport s…
  • p. 76 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 84 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 92 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Pr oximity to…
  • p. 100 …s aircraft. (4) Latitude and longitude . c . Sea (1) Latitude and longitude . (2) Pr oximity to…
  • p. 108 …s aircraft. (4) Latltude and longitude. c. Sea (1) Latitude and longit ude. (2) Proximity to…
  • p. 116 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 124 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
  • p. 132 …s aircraft. (4) Latitude and longitude. c. Sea (1) Latitude and longitude. (2) Proximity to land…
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C. Odor (if any).
d. Rate of evaporation.
e. Does trall vary with sound? (spurts)
12. Effect on clouds.
a . Opened path thru clouds.
b. Forced cloud or mists.
c. Reflected on cloud.
d. Showed thru cloud.
13. Lights .
a. Reflected or attached.
b. Luminous
c. Blinked on and off ln r elation to speed.
14. Support
a. Wings.
b. Aerodynamic Hst of fuselage.
c. Vertical jet.
d. Rotating cylinder or cone.
e . Aerostatic 11.ft (balloon or dirigible) .
15. Propulsion.
a. P r opeller or jet.
b. Rotor .
c. Aerodynamic vanes (flapping or osc1llat1ng) (Katz Mayer effect).
d. Visible exhaust or jet openings.
16. Control and stabHity.
a. Fins
b. Stabil!.zers (horizontal or ve rtical).
(1) Size.
(2) Shape.
(3) Location.
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Document, cited by the archive. 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.