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Project Blue Book Special Report No. 14: Analysis of Reports of Unidentified Aerial Objects

United States Air Force, Air Technical Intelligence Center · 1955-05-05 · 309 pages · text from the file's own layer

Special Report No. 14 was issued by the U.S. Air Force's Air Technical Intelligence Center on 5 May 1955. It is a statistical study of about 4,000 reports of unidentified aerial objects from June 1947 to December 1952. The reports were reduced to IBM punched cards and analyzed with methods including chi square tests. The report concludes that the reports it examined are very unlikely to represent technology beyond present scientific knowledge, and it notes that no case produced valid physical evidence.

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“disc”6 pages

  • p. 7 SUMMARY Reports of unidentified aerial <5bjects (popularly termed "flying saucers" or "flying discs", have been received…
  • p. 9 …The unfortunate term "flying saucer", or "flying disc", because of its widespread and indiscriminate use, requires…
  • p. 24 …would give the appearance of a "flying disc". A program of computation was set up and…
  • p. 95 …than the diameter, giving the object a disc-like shape. In the top center was a…
  • p. 99 …Cases IV and V (4) Elliptical or disc shape - Cases VI to XII The criterion for…
  • p. 100 …Although the shape is disc-like, the maneuvers performed by the object are unique both among…
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STUDY NO. IO2-EL-55/2-79
ANALYSIS OF REPORTS OF
UNIDENTIFIED AERIAL OBJECTS
PROJECT NO. 10073
5 MAY 1955
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Analysis, from the classic collection. The PDF is mirrored here; the original link is under it. 309 pages are in the text index: search them above, or from the library's search.