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Project Blue Book Special Report (second copy)

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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.

Open the PDF at page 108 Original source ↗ 
INDEX OF TABLES
(Continued)
Page
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Table A110. Evaluation of Unit Sightings for A l l Years by Duration of Sighting for Months
of Year, Five Seconds or L e s s , 173
Table A l l l . Evaluation of Unit Sightings for All Years by Duration of Sighting for Months
of Year, Six to Ten Seconds 174
Table A112. Evaluation of Unit Sightings for All Years by Duration of Sighting for Months
of Year, Eleven to Thirty Seconds 175
Table A 1 1 3 . Evaluation of Unit Sightings for All Years by Duration of Sighting for Months
of Year, Thirty One to Sixty Seconds 176
Table A114. Evaluation of Unit Sightings for A l l Years by Duration of Sighting for Months ;
of Year, Sixty'One Seconds to F i v e Minutes ;' 177
Table A115. Evaluation of Unit Sightings for All Years by Duration of Sighting for Months
of Year, Six to Thirty Minutes 178
Table A116. Evaluation of Unit Sightings for All Years by Duration of Sighting for Months
of Year, Over Thirty Minutes 179
Table A117. Evaluation of Unit Sightings for All Years by Duration of Sighting for Months
of Year, Duration Not Stated 180
Table A118. Evaluation of Object Sightings for A l l Years by Duration of Sighting for Months
of Year, Five Seconds or L e s s 181
Table A119. Evaluation, of Object Sightings for A l l Years by Duration of Sighting for Months
of Year, Six to Ten Seconds 182
Table A120. Evaluation of Object Sightings for A l l Years by Duration of Sighting for Months .
of Year, Eleven to Thirty Seconds . . . . . . . 183
Table A 1 2 1 . Evaluation of Object Sightings for A l l Years by Duration of Sighting for Months
of Year, Thirty One to Sixty Seconds . 184
Table A 1 2 2 . Evaluation of Object Sightings for A l l Years by Duration of Sighting for Months
of Year, Sixty One Seconds to F i v e Minutes 185
Table A 1 2 3 . Evaluation of Object Sightings for A l l Years by Duration of Sighting for Months
of Year, Six to Thirty Minutes 186
Table A 124. Evaluation of Object Sightings for A l l Years by Duration of Sighting for Months
of Year, Over Thirty Minutes 187
Table. A125. Evaluation of Object Sightings for A l l Years by Duration of Sighting for Months
of Year, Duration Not Stated 188
Table A126. Evaluation of All Sightings for All Y e a r s by Shape of Object, Elliptical 189
Table A127. Evaluation of All Sightings for All Years by Shape of Object, Rocket and Aircraft 189
Table A128. Evaluation of All Sightings for All Years by Shape of Object, Meteor or Comet . . . . . . . 190
Table A129. Evaluation of All Sightings for All Years by Shape of Object, Lenticular, Conical,
or Teardrop 190
Table A130. Evaluation of All Sightings for All Years by Shape of Object, Flame 191
Table A 1 3 1 . Evaluation of All Sightings for All Years by Shape of Object, Other Shapes 1 9 1
Table A 1 3 2 . Evaluation of All Sightings for All Years by Shape of Object, Shape Not Stated . . 192
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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.