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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. 94 …approach the speed of a jet before it disappeared. No propulsion was apparent. Time of observation…
(12) Case XII. The object had windows in its top and front
and its top midsection. It also had a set of propellers
around its waist.
It is not possible, therefore, to derive a verified model of a "flying
saucer" from the data that have been gathered to date. This point is im-
portant enough to emphasize. Out of about 4, 000 people who said they saw
a "flying saucer", sufficiently detailed descriptions were given in only 12
cases. Having culled the cream of the crop, it is still impossible to develop
a picture of what a "flying saucer" i s .
In addition to this study of the good UNKNOWNS, an attempt was made
to find groups of UNKNOWNS for which the observed characteristics were
the same. No such groups were found.
On the basis of this evidence, therefore, there is a low probability
that any of the UNKNOWNS represent observations of a class of "flying
saucers". It may be that some reports represent observations of not one
but several classes of objects that might have been "flying saucers";
however, the lack of evidence to confirm even one class would seem to make
this possibility remote. It is pointed out that some of the cases of KNOWNS,
before identification, appeared fully as bizarre as any of the 12 cases of
good UNKNOWNS, and, in fact, would have been placed in the class of good
UNKNOWNS had it not been possible to establish their identity.
This is, of course, contrary to the bulk of the publicity that has been
given to this problem.--The reason for the nature of this publicity was
clearly brought out during the re-evaluation study. It is a definite factjthat
upon reading a_JLejw rje_p_QrJLs_,_.:^ that "flying
saucers" are real and are some form of sinister contrivance. This reaction
is independent of the training of the reader or of his attitude toward the
problem prior to the initial contact. It is unfortunate that practically all of
the articles, books, and news stories dealing with the phenomenon of the
"flying saucer" were written by men who were in this category, that i s ,
men who had read only a few selected reports. This is accentuated by the
fact that, as a rule, only the more lu r id - s oundin g reports are cited in these
publications. Were it not for this common psychological tendency to be
captivated by the mysterious, it is possible that no problem of this nature
would exist.
The reaction, mentioned above, that after reading a few reports,, the
reader is convinced that "flying saucers" are real and are some form of
sinister contrivance, is very misleading. As more and more of the reports
are read, the feeling that "saucers" are r-e-al fades, and is replaced by a
feeling of skepticism regarding their existence. The reader eventually
reaches a point of saturation, after which the reports contain no new infor-
mation at all and are no longer of any interest. This feeling of surfeit was
universal among the personnel who worked on this project, and continually
necessitated a conscious effort on their part to remain objective.
93

Cases discussed

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Report, cited by the archive. The PDF is mirrored here; the original link is above. 309 pages are in the text index: search them above, or from the library's search.