Documents / Report
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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CODE 1, GENERAL a. Every column must have at least one entry. If no data are available for any column, the Y should be used. b. If a number in any column is used to enter data, then X qualifies the data as indicated in the Code for the specific column. CODE 25 DURATION UNITS CODE 28 LATITUDE CODE 32 LONGITUDE CODE X Y 0 1 2 3 4. 5 6 7 8 9 X Y 0 Days 1 Hours 2 Minutes 3 Seconds 5 6 7 8 9 11 POSITION Variable In car Outdoors In plane In building Other X Y 0 1 2 3 5 6 7 8 9 PODE L2 X Y 0 1 2 3 A. 5 6 7 8 9 South latitude X East longitude Y r 0 ^ 1 2 3 A 5 6 7 8 9 MOVEMENT OF OBSERVER Wasn't moving Was moving - stopped Was moving - didn't stop I 291
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.