Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 189 of 312
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TABLE A117 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY DURATION OF SIGHTING FOR MONTHS OF YEAR, DURATION NOT STATED Evaluation | JANUARY | FEBRUARY | MARCH | APRIL Number | Per Cent | Number | Per Cent | Number | Per Cent | Number | Per Cent Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total 0-Balloon | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 9.1 | 0.0 | 9.1 | 3 | 0 | 3 | 6.8 | 0.0 | 6.8 | 1 | 2 | 3 | 2.4 | 4.8 | 7.2 1-Astronomical | 7 | 6 | 13 | 28.0 | 24.0 | 52.0 | 4 | 8 | 12 | 18.2 | 36.4 | 54.6 | 8 | 6 | 14 | 18.2 | 13.6 | 31.8 | 9 | 2 | 11 | 21.4 | 4.8 | 26.2 2-Aircraft | 2 | 0 | 2 | 8.0 | 0.0 | 8.0 | 3 | 1 | 4 | 13.6 | 4.5 | 18.1 | 6 | 3 | 9 | 13.6 | 4.8 | 20.4 | 6 | 0 | 6 | 14.3 | 0.0 | 14.3 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 2.4 | 0.0 | 2.4 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 6-Insuffic. Info. | 5 | 0 | 5 | 20.0 | 0.0 | 20.0 | 1 | 0 | 1 | 4.5 | 0.0 | 4.5 | 14 | 0 | 14 | 31.8 | 0.0 | 31.8 | 12 | 0 | 12 | 28.6 | 0.0 | 28.6 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 2.4 | 0.0 | 2.4 8-Unknown | 3 | 0 | 3 | 12.0 | 0.0 | 12.0 | 3 | 0 | 3 | 13.6 | 0.0 | 13.6 | 1 | 0 | 1 | 2.3 | 0.0 | 2.3 | 8 | 0 | 8 | 19.0 | 0.0 | 19.0 9-Other | 2 | 0 | 2 | 8.0 | 0.0 | 8.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 3 | 3 | 0.0 | 6.8 | 6.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 Total | 19 | 6 | 25 | 76.0 | 24.0 | 100. | 13 | 9 | 22 | 59.1 | 40.9 | 100. | 32 | 12 | 44 | 72.7 | 27.3 | 100. | 38 | 4 | 42 | 90.5 | 9.5 | 100. Evaluation | MAY | JUNE | JULY | AUGUST Number | Per Cent | Number | Per Cent | Number | Per Cent | Number | Per Cent Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total 0-Balloon | 3 | 0 | 3 | 8.3 | 0.0 | 8.3 | 6 | 0 | 6 | 13.3 | 0.0 | 13.3 | 27 | 11 | 38 | 12.7 | 5.2 | 17.9 | 5 | 3 | 8 | 5.8 | 3.5 | 9.3 1-Astronomical | 10 | 2 | 12 | 27.8 | 5.6 | 33.4 | 3 | 2 | 5 | 6.7 | 4.4 | 11.1 | 27 | 7 | 34 | 12.7 | 3.3 | 16.0 | 6 | 8 | 14 | 7.0 | 9.3 | 16.3 2-Aircraft | 3 | 4 | 7 | 8.3 | 11.1 | 19.4 | 4 | 1 | 5 | 8.8 | 2.2 | 11.0 | 27 | 15 | 42 | 12.7 | 7.1 | 19.8 | 10 | 7 | 17 | 11.6 | 8.1 | 19.7 3-Light Phenom. | 0 | 1 | 1 | 0.0 | 2.8 | 2.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 0 | 3 | 1.4 | 0.0 | 1.4 | 2 | 0 | 2 | 2.3 | 0.0 | 2.3 4-Birds | 0 | 1 | 1 | 0.0 | 2.8 | 2.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 1 | 2 | 0.5 | 0.5 | 1.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 0.5 | 0.0 | 0.5 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 6-Insuffic. Info. | 6 | 0 | 6 | 16.7 | 0.0 | 16.7 | 12 | 0 | 12 | 26.7 | 0.0 | 26.7 | 38 | 0 | 38 | 17.9 | 0.0 | 17.9 | 19 | 0 | 19 | 22.1 | 0.0 | 22.1 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 4.4 | 0.0 | 4.4 | 1 | 2 | 3 | 0.5 | 0.9 | 1.4 | 1 | 0 | 1 | 1.2 | 0.0 | 1.2 8-Unknown | 6 | 0 | 6 | 16.7 | 0.0 | 16.7 | 13 | 0 | 13 | 28.9 | 0.0 | 28.9 | 35 | 0 | 35 | 16.5 | 0.0 | 16.5 | 22 | 0 | 22 | 25.6 | 0.0 | 25.6 9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 4.4 | 0.0 | 4.4 | 16 | 0 | 16 | 7.5 | 0.0 | 7.5 | 2 | 1 | 3 | 2.3 | 1.2 | 3.5 Total | 28 | 8 | 36 | 77.8 | 22.2 | 100. | 42 | 3 | 45 | 93.3 | 6.7 | 100. | 176 | 36 | 212 | 83.0 | 17.0 | 100. | 67 | 19 | 86 | 77.9 | 22.1 | 100. Evaluation | SEPTEMBER | OCTOBER | NOVEMBER | DECEMBER Number | Per Cent | Number | Per Cent | Number | Per Cent | Number | Per Cent Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total 0-Balloon | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 1 | 3 | 5.7 | 2.9 | 8.6 | 1 | 7 | 8 | 2.5 | 17.5 | 20.0 | 1 | 1 | 2 | 3.4 | 3.4 | 6.8 1-Astronomical | 10 | 3 | 13 | 23.2 | 7.0 | 30.2 | 2 | 6 | 8 | 5.7 | 17.1 | 22.8 | 7 | 4 | 11 | 17.5 | 10.0 | 27.2 | 6 | 7 | 13 | 20.7 | 24.1 | 44.8 2-Aircraft | 1 | 1 | 2 | 2.3 | 2.3 | 4.6 | 3 | 3 | 6 | 8.6 | 8.6 | 17.2 | 5 | 2 | 7 | 12.5 | 5.0 | 17.5 | 2 | 1 | 3 | 6.9 | 3.4 | 10.3 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 2.9 | 2.9 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 6-Insuffic. Info. | 9 | 0 | 9 | 20.9 | 0.0 | 20.9 | 6 | 0 | 6 | 17.1 | 0.0 | 17.1 | 3 | 0 | 3 | 7.5 | 0.0 | 7.5 | 5 | 0 | 5 | 17.2 | 0.0 | 17.2 7-Psychological | 1 | 0 | 1 | 2.3 | 0.0 | 2.3 | 1 | 0 | 1 | 2.9 | 0.0 | 2.9 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 3.4 | 0.0 | 3.4 8-Unknown | 11 | 0 | 11 | 25.6 | 0.0 | 25.6 | 8 | 0 | 8 | 22.9 | 0.0 | 22.9 | 9 | 0 | 9 | 22.5 | 0.0 | 22.5 | 2 | 0 | 2 | 6.9 | 0.0 | 6.9 9-Other | 6 | 1 | 7 | 14.0 | 2.3 | 16.3 | 2 | 0 | 2 | 5.7 | 0.0 | 5.7 | 2 | 0 | 2 | 5.0 | 0.0 | 5.0 | 3 | 0 | 3 | 10.3 | 0.0 | 10.3 Total | 38 | 5 | 43 | 88.4 | 11.6 | 100. | 24 | 11 | 35 | 68.6 | 31.4 | 100. | 27 | 13 | 40 | 67.5 | 32.5 | 100. | 20 | 9 | 29 | 69.0 | 31.0 | 100. 180