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Project Blue Book Special Report (second copy)

Internet Archive · 309 pages · text from the file's own layer

This is Project Blue Book Special Report No. 14, "Analysis of Reports of Unidentified Aerial Objects," Project No. 10073, dated 5 May 1955. The study reduced about 4,000 sighting reports received by the U.S. Air Force between June 1947 and December 1952 to IBM punched cards and analyzed them statistically, including chi square tests comparing knowns with unknowns. It concludes that the reports very probably do not represent technological developments beyond present scientific knowledge, and it notes that no case produced 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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Report, cited by the archive. 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.