Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 170 of 312
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TABLE A95 EVALUATION OF OBJECT SIGHTINGS BY DURATION OF SIGHTING, ALL YEARS Evaluation | 5 SECONDS AND LESS | 6-10 SECONDS | 11-30 SECONDS | 31-60 SECONDS 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 | 5 | 8 | 1.0 | 1.7 | 2.7 | 2 | 4 | 6 | 1.8 | 3.5 | 5.3 | 5 | 9 | 14 | 2.7 | 4.8 | 7.5 | 9 | 9 | 18 | 6.0 | 6.0 | 12.0 1-Astronomical | 87 | 80 | 167 | 30.4 | 29.0 | 58.4 | 26 | 19 | 45 | 23.0 | 16.8 | 39.8 | 24 | 11 | 35 | 12.9 | 5.9 | 18.9 | 9 | 7 | 16 | 6.0 | 4.7 | 10.7 2-Aircraft | 22 | 22 | 44 | 7.7 | 7.7 | 15.4 | 18 | 9 | 27 | 15.9 | 8.0 | 23.9 | 36 | 31 | 67 | 19.3 | 16.7 | 36.0 | 30 | 19 | 49 | 20.0 | 12.7 | 32.7 3-Light Phenom. | 2 | 2 | 4 | 0.7 | 0.7 | 1.4 | 1 | 2 | 3 | 0.9 | 1.8 | 2.7 | 1 | 1 | 2 | 0.5 | 0.5 | 1.0 | 0 | 2 | 2 | 0.0 | 1.3 | 1.3 4-Birds | 2 | 4 | 6 | 0.7 | 1.4 | 2.1 | 0 | 1 | 1 | 0.0 | 0.9 | 0.9 | 1 | 1 | 2 | 0.5 | 0.5 | 1.0 | 4 | 1 | 5 | 2.7 | 0.7 | 3.4 5-Clouds, Dust, etc. | 0 | 1 | 1 | 0.0 | 0.3 | 0.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 2 | 2 | 0.0 | 1.1 | 1.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 6-Insuffic. Info. | 15 | 0 | 15 | 5.2 | 0.0 | 5.2 | 8 | 0 | 8 | 7.1 | 0.0 | 7.1 | 15 | 0 | 15 | 4.1 | 0.0 | 8.1 | 11 | 0 | 11 | 7.3 | 0.0 | 7.3 7-Psychological | 2 | 0 | 2 | 0.7 | 0.0 | 0.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 2 | 6 | 2.2 | 1.1 | 3.3 | 2 | 0 | 2 | 1.3 | 0.0 | 1.3 8-Unknown | 27 | 0 | 27 | 9.4 | 0.0 | 9.4 | 21 | 0 | 21 | 18.6 | 0.0 | 18.6 | 33 | 0 | 33 | 17.7 | 0.0 | 17.7 | 42 | 0 | 42 | 28.0 | 0.0 | 28.0 9-Other | 9 | 3 | 12 | 3.1 | 1.0 | 4.1 | 2 | 0 | 2 | 1.8 | 0.0 | 1.8 | 5 | 5 | 10 | 2.7 | 2.7 | 5.4 | 3 | 2 | 5 | 2.0 | 1.3 | 3.3 Total | 169 | 117 | 286 | 59.1 | 40.9 | 100. | 78 | 35 | 113 | 69.0 | 31.0 | 100. | 124 | 62 | 186 | 66.7 | 33.3 | 100. | 110 | 40 | 150 | 73.3 | 26.7 | 100. Evaluation | 61 SECONDS - 5 MINUTES | 6-30 MINUTES | OVER 30 MINUTES | 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 | 53 | 35 | 88 | 14.4 | 9.5 | 23.9 | 63 | 38 | 101 | 16.8 | 10.1 | 26.9 | 29 | 12 | 41 | 16.9 | 7.0 | 23.9 | 43 | 20 | 63 | 7.8 | 3.6 | 11.4 1-Astronomical | 6 | 11 | 17 | 1.6 | 3.0 | 4.6 | 31 | 15 | 46 | 8.2 | 4.0 | 12.2 | 29 | 15 | 44 | 16.9 | 8.7 | 25.6 | 62 | 47 | 109 | 11.3 | 8.6 | 19.9 2-Aircraft | 52 | 49 | 101 | 14.1 | 13.3 | 27.4 | 38 | 37 | 75 | 10.1 | 9.8 | 19.9 | 9 | 8 | 17 | 5.2 | 4.7 | 9.9 | 60 | 34 | 94 | 10.9 | 6.2 | 17.1 3-Light Phenom. | 6 | 3 | 9 | 1.6 | 0.8 | 2.4 | 14 | 5 | 19 | 3.7 | 1.3 | 5.0 | 1 | 2 | 3 | 0.6 | 1.2 | 1.8 | 5 | 1 | 6 | 0.9 | 0.2 | 1.1 4-Birds | 1 | 0 | 1 | 0.3 | 0.0 | 0.3 | 0 | 1 | 1 | 0.0 | 0.3 | 0.3 | 2 | 0 | 2 | 1.2 | 0.0 | 1.2 | 2 | 2 | 4 | 0.4 | 0.4 | 0.8 5-Clouds, Dust, etc. | 0 | 3 | 3 | 0.0 | 0.8 | 0.8 | 1 | 1 | 2 | 0.3 | 0.3 | 0.6 | 1 | 0 | 1 | 0.6 | 0.0 | 0.6 | 1 | 0 | 1 | 0.2 | 0.0 | 0.2 6-Insuffic. Info. | 26 | 0 | 26 | 7.1 | 0.0 | 7.1 | 32 | 0 | 32 | 8.5 | 0.0 | 8.5 | 10 | 0 | 10 | 5.8 | 0.0 | 5.8 | 123 | 0 | 123 | 22.4 | 0.0 | 22.4 7-Psychological | 5 | 4 | 9 | 1.4 | 1.1 | 2.5 | 9 | 0 | 9 | 2.4 | 0.0 | 2.4 | 5 | 1 | 6 | 2.9 | 0.6 | 3.5 | 8 | 2 | 10 | 1.5 | 0.4 | 1.9 8-Unknown | 99 | 0 | 99 | 26.9 | 0.0 | 26.9 | 71 | 0 | 71 | 18.9 | 0.0 | 18.9 | 37 | 0 | 37 | 21.5 | 0.0 | 21.5 | 104 | 0 | 104 | 19.0 | 0.0 | 19.0 9-Other | 14 | 1 | 15 | 3.8 | 0.3 | 4.1 | 15 | 5 | 20 | 4.0 | 1.3 | 5.3 | 8 | 3 | 11 | 4.7 | 1.7 | 6.4 | 29 | 5 | 34 | 5.3 | 0.9 | 6.2 Total | 262 | 106 | 368 | 71.2 | 28.8 | 100. | 274 | 102 | 376 | 72.9 | 27.1 | 100. | 131 | 41 | 172 | 76.2 | 23.8 | 100. | 437 | 111 | 548 | 79.7 | 20.3 | 100. TABLE A96 EVALUATION OF OBJECT SIGHTINGS BY DURATION OF SIGHTING, 1947 Evaluation | 5 SECONDS AND LESS | 6-10 SECONDS | 11-30 SECONDS | 31-60 SECONDS 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 8.3 | 0.0 | 8.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 1-Astronomical | 3 | 1 | 4 | 60.0 | 20.0 | 80.0 | 1 | 2 | 3 | 33.3 | 66.7 | 100.0 | 1 | 0 | 1 | 8.3 | 0.0 | 8.3 | 0 | 1 | 1 | 0.0 | 16.7 | 16.7 2-Aircraft | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 8.3 | 8.3 | 0 | 1 | 1 | 0.0 | 16.7 | 16.7 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 | 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. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 16.7 | 0.0 | 16.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 8.3 | 8.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 8-Unknown | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 5 | 0 | 5 | 41.7 | 0.0 | 41.7 | 4 | 0 | 4 | 66.7 | 0.0 | 66.7 9-Other | 1 | 0 | 1 | 20.0 | 0.0 | 20.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 8.3 | 0.0 | 9.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 Total | 4 | 1 | 5 | 80.0 | 20.0 | 100. | 1 | 2 | 3 | 33.3 | 66.7 | 100. | 10 | 2 | 12 | 83.3 | 16.7 | 100. | 4 | 2 | 6 | 66.7 | 33.3 | 100. Evaluation | 61 SECONDS - 5 MINUTES | 6-30 MINUTES | OVER 30 MINUTES | 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 | 2 | 0 | 2 | 28.6 | 0.0 | 28.6 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 0 | 4 | 9.3 | 0.0 | 9.3 1-Astronomical | 0 | 0 | 0 | 6.0 | 0.0 | 6.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 4 | 7 | 7.0 | 9.3 | 16.3 2-Aircraft | 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 | 2 | 0 | 2 | 4.7 | 0.0 | 4.7 3-Light Phenom. | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 2.3 | 0.0 | 2.3 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. | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 2 | 0 | 2 | 66.7 | 0.0 | 66.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 7 | 0 | 7 | 16.3 | 0.0 | 16.3 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 | 3 | 1 | 4 | 7.0 | 2.3 | 9.3 8-Unknown | 2 | 0 | 2 | 28.6 | 0.0 | 28.6 | 1 | 0 | 1 | 33.3 | 0.0 | 33.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 10 | 0 | 10 | 23.3 | 0.0 | 23.3 9-Other | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 8 | 0 | 8 | 18.6 | 0.0 | 18.6 Total | 7 | 0 | 7 | 100.0 | 0.0 | 100. | 3 | 0 | 3 | 100.0 | 0.0 | 100. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 38 | 5 | 43 | 88.4 | 11.6 | 100. 161