Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 220 of 312
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TABLE A166 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY LIGHT BRIGHTNESS Evaluation | SUNLIGHT ON MIRROR | SUNLIGHT ON ALUMINUM | SUNLIGHT ON PLASTER | SUNLIGHT ON STONE 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 | 2 | 4 | 6 | 2.7 | 5.3 | 8.0 | 28 | 19 | 47 | 14.1 | 9.5 | 23.6 | 11 | 8 | 19 | 14.9 | 10.8 | 25.7 | 2 | 2 | 4 | 10.5 | 10.5 | 21.0 1-Astronomical | 17 | 13 | 30 | 22.7 | 17.3 | 40.0 | 11 | 10 | 21 | 5.5 | 5.0 | 10.5 | 9 | 3 | 12 | 12.2 | 4.1 | 16.3 | 2 | 1 | 3 | 10.5 | 5.3 | 15.8 2-Aircraft | 8 | 3 | 11 | 10.7 | 4.0 | 14.7 | 33 | 29 | 62 | 16.6 | 14.6 | 31.2 | 6 | 12 | 18 | 8.1 | 16.2 | 24.3 | 0 | 3 | 3 | 0.0 | 15.8 | 15.8 3-Light Phenom. | 1 | 0 | 1 | 1.3 | 0.0 | 1.3 | 0 | 3 | 3 | 0.0 | 1.5 | 1.5 | 0 | 1 | 1 | 0.0 | 1.4 | 1.4 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 1 | 2 | 0.5 | 0.5 | 1.0 | 0 | 1 | 1 | 0.0 | 1.4 | 1.4 | 0 | 1 | 1 | 0.0 | 5.3 | 5.3 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 0.5 | 0.0 | 0.5 | 0 | 2 | 2 | 0.0 | 2.7 | 2.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 6-Insuffic. Info. | 6 | 0 | 6 | 8.0 | 0.0 | 8.0 | 17 | 0 | 17 | 8.5 | 0.0 | 8.5 | 9 | 0 | 9 | 12.2 | 0.0 | 12.2 | 1 | 0 | 1 | 5.3 | 0.0 | 5.3 7-Psychological | 2 | 1 | 3 | 2.7 | 1.3 | 4.0 | 2 | 2 | 4 | 1.0 | 1.0 | 2.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 8-Unknown | 14 | 0 | 14 | 18.7 | 0.0 | 18.7 | 33 | 0 | 33 | 16.6 | 0.0 | 16.6 | 11 | 0 | 11 | 14.9 | 0.0 | 14.9 | 5 | 0 | 5 | 26.3 | 0.0 | 26.3 9-Other | 1 | 3 | 4 | 1.3 | 4.0 | 5.3 | 7 | 2 | 9 | 3.5 | 1.0 | 4.5 | 1 | 0 | 1 | 1.4 | 0.0 | 1.4 | 2 | 0 | 2 | 16.5 | 0.0 | 10.5 Total | 51 | 24 | 75 | 68.0 | 32.0 | 100. | 133 | 66 | 199 | 66.8 | 33.2 | 100. | 47 | 27 | 74 | 63.5 | 36.5 | 100. | 12 | 7 | 19 | 63.2 | 36.8 | 100. Evaluation | SUNLIGHT ON SOIL | BRIGHTER THAN MOON | LIKE MOON | DULLER THAN MOON 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 | 4 | 0 | 4 | 57.1 | 0.0 | 57.1 | 15 | 24 | 39 | 3.9 | 6.2 | 10.1 | 1 | 0 | 1 | 2.6 | 0.0 | 2.6 | 5 | 4 | 9 | 9.3 | 7.4 | 16.7 1-Astronomical | 0 | 1 | 1 | 0.0 | 14.3 | 14.3 | 102 | 58 | 160 | 26.5 | 15.1 | 41.6 | 3 | 9 | 12 | 7.9 | 23.7 | 31.6 | 6 | 11 | 17 | 11.1 | 20.4 | 31.5 2-Aircraft | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 22 | 44 | 66 | 5.7 | 11.4 | 17.1 | 8 | 2 | 10 | 21.1 | 5.3 | 26.4 | 3 | 3 | 6 | 5.6 | 5.6 | 11.2 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 6 | 3 | 9 | 1.6 | 0.8 | 2.4 | 1 | 2 | 3 | 2.6 | 5.3 | 7.9 | 1 | 1 | 2 | 1.9 | 1.9 | 3.8 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 0.3 | 0.0 | 0.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 1 | 2 | 1.9 | 1.9 | 3.8 5-Clouds, Dust, etc. | 0 | 1 | 1 | 0.0 | 14.3 | 14.3 | 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. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 21 | 0 | 21 | 5.5 | 0.0 | 5.5 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 0 | 3 | 5.6 | 0.0 | 5.6 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 0 | 3 | 0.8 | 0.0 | 0.8 | 0 | 1 | 1 | 0.0 | 2.6 | 2.6 | 0 | 2 | 2 | 0.0 | 3.7 | 3.7 8-Unknown | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 71 | 0 | 71 | 18.4 | 0.0 | 18.4 | 11 | 0 | 11 | 28.9 | 0.0 | 28.9 | 10 | 0 | 10 | 18.5 | 0.0 | 18.5 9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 9 | 6 | 15 | 2.3 | 1.6 | 3.9 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 3 | 3 | 0.0 | 5.6 | 5.6 Total | 5 | 2 | 7 | 71.4 | 28.6 | 100. | 250 | 135 | 385 | 64.9 | 35.1 | 100. | 24 | 14 | 38 | 63.2 | 36.8 | 100. | 29 | 25 | 54 | 53.7 | 46.3 | 100. Evaluation | BARELY VISIBLE | NOT STATED | BARELY VISIBLE | NOT STATED 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 | 1 | 1 | 2 | 12.5 | 1.25 | 25.0 | 159 | 89 | 248 | 9.4 | 5.3 | 14.7 | | | | | | | | | | | | 1-Astronomical | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 232 | 150 | 382 | 13.7 | 8.8 | 22.5 | | | | | | | | | | | | 2-Aircraft | 1 | 1 | 2 | 12.5 | 1.25 | 25.0 | 211 | 138 | 349 | 12.4 | 8.1 | 20.5 | | | | | | | | | | | | 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 23 | 11 | 34 | 1.4 | 0.6 | 2.0 | | | | | | | | | | | | 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 10 | 6 | 16 | 0.6 | 0.4 | 1.0 | | | | | | | | | | | | 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 4 | 6 | 0.1 | 0.2 | 0.3 | | | | | | | | | | | | 6-Insuffic. Info. | 2 | 0 | 2 | 25.0 | 0.0 | 25.0 | 202 | 0 | 202 | 11.9 | 0.0 | 11.9 | | | | | | | | | | | | 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 29 | 3 | 32 | 1.7 | 0.2 | 1.9 | | | | | | | | | | | | 8-Unknown | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 340 | 0 | 340 | 20.1 | 0.0 | 20.1 | | | | | | | | | | | | 9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 72 | 14 | 86 | 4.2 | 0.8 | 5.0 | | | | | | | | | | | | Total | 6 | 2 | 8 | 75.0 | 25.0 | 100. | 1280 | 415 | 1695 | 75.5 | 24.5 | 100. | | | | | | | | | | | | 211