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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.

  • p. 4 …in the Strategic Areas of the Central Midwest Region ' 50 Figure 35 Comparison of Evaluation of…
  • p. 58 O Dayton 144 object sighting! " 7 Balance of Central Midwest Region 164 object sightings FIGURE 34…
  • p. 60 CJ1 ro o San Antonio 36 object sightings Balance of South Midwest Region FIGURE 36 COMPARISON…
  • p. 112 …Evaluation of All Sightings in the Strategic A r e a s of the Central Midwest…
  • p. 113 …Evaluation of Object Sightings in the Strategic Areas of the Central Midwest Region 252 Table A237…
Overhead
Horizon Observer's
Eye
SKETCH B
Horizon
1 8 . On the following Sketch B, label a at
the apparent position of the object
when first seen and b at point last -
seen. Trace the apparsnt path of
the object between points a and b.
If possible label 1, 2, 33 etc.,
along the traced path to shotf the
successive positions of the object
after equal intervals of time dur-
ing the sighting.
In Sketch C please show the
observed features of the object
such as;
A. Apparent shape., (were edges
pointed or rounded)3
B. Apparent direction of motion
(show by arrow), and • •
G. Other details, exhaust, trails,
tails, surfaces, etc. SKETCH C
The sun and the noon are shown below as they appear in their correct relative
size. In this sketch D, show the apparent sisa of what you saw.
19.
SUN OBJECT MOON
SKETCH D
263
J

Cases discussed

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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.