Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 164 of 312
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TABLE A85 EVALUATION OF ALL SIGHTINGS BY DURATION OF SIGHTING, 1950 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 | 1 | 0 | 1 | 4.0 | 0.0 | 4.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 4.8 | 4.8 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0 1-Astronomical | 12 | 8 | 20 | 48.0 | 32.0 | 80.0 | 1 | 2 | 3 | 14.3 | 28.6 | 42.9 | 6 | 1 | 7 | 28.6 | 4.8 | 33.4 | 0 | 2 | 2 | 0.0 | 20.0 | 20.0 2-Aircraft | 1 | 0 | 1 | 4.0 | 0.0 | 4.0 | 4 | 0 | 4 | 57.1 | 0.0 | 57.1 | 5 | 2 | 7 | 23.8 | 9.5 | 33.3 | 2 | 0 | 2 | 20.0 | 0.0 | 20.0 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. | 2 | 0 | 2 | 8.0 | 0.0 | 8.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 4.8 | 0.0 | 4.8 | 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 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 8-Unknown | 1 | 0 | 1 | 4.0 | 0.0 | 4.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 5 | 0 | 5 | 23.8 | 0.0 | 23.8 | 4 | 0 | 4 | 40.0 | 0.0 | 40.0 9-Other | 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 | 10.0 | 0.0 | 10.0 Total | 17 | 8 | 25 | 68.0 | 32.0 | 100. | 5 | 2 | 7 | 71.4 | 28.6 | 100. | 17 | 4 | 21 | 81.0 | 19.0 | 100. | 8 | 2 | 10 | 80.0 | 20.0 | 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 | 5 | 1 | 6 | 8.9 | 1.8 | 10.7 | 13 | 4 | 17 | 21.7 | 6.7 | 28.4 | 8 | 0 | 8 | 32.0 | 0.0 | 32.0 | 5 | 1 | 6 | 4.9 | 1.0 | 5.9 1-Astronomical | 4 | 0 | 4 | 7.1 | 0.0 | 7.1 | 4 | 0 | 4 | 6.7 | 0.0 | 6.7 | 2 | 1 | 3 | 8.0 | 4.0 | 12.0 | 20 | 11 | 31 | 19.6 | 10.8 | 30.4 2-Aircraft | 7 | 1 | 8 | 12.5 | 1.8 | 14.3 | 3 | 4 | 7 | 5.0 | 6.7 | 11.7 | 0 | 5 | 5 | 0.0 | 20.0 | 20.0 | 17 | 3 | 20 | 16.7 | 2.9 | 19.6 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. | 15 | 0 | 15 | 26.8 | 0.0 | 26.8 | 3 | 0 | 3 | 5.0 | 0.0 | 5.0 | 4 | 0 | 4 | 16.0 | 0.0 | 16.0 | 24 | 0 | 24 | 23.5 | 0.0 | 23.5 7-Psychological | 1 | 0 | 1 | 1.8 | 0.0 | 1.8 | 3 | 0 | 3 | 5.0 | 0.0 | 5.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 8-Unknown | 16 | 0 | 16 | 28.6 | 0.0 | 28.6 | 22 | 0 | 22 | 36.7 | 0.0 | 36.7 | 5 | 0 | 5 | 20.0 | 0.0 | 20.0 | 18 | 0 | 18 | 17.6 | 0.0 | 17.6 9-Other | 3 | 3 | 6 | 5.4 | 5.4 | 10.8 | 1 | 3 | 4 | 1.7 | 5.0 | 6.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 1 | 3 | 2.0 | 0.9 | 2.9 Total | 51 | 5 | 56 | 91.1 | 8.9 | 100. | 49 | 11 | 60 | 81.7 | 18.3 | 100. | 19 | 6 | 25 | 76.0 | 24.0 | 100. | 86 | 16 | 102 | 84.3 | 15.7 | 100. TABLE A86 EVALUATION OF ALL SIGHTINGS BY DURATION OF SIGHTING, 1951 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 | 2 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 9.1 | 0.0 | 9.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 1-Astronomical | 10 | 2 | 12 | 58.8 | 11.8 | 70.6 | 4 | 1 | 5 | 50.0 | 12.5 | 62.5 | 4 | 0 | 4 | 36.4 | 0.0 | 36.4 | 0 | 1 | 1 | 0.0 | 20.0 | 20.0 2-Aircraft | 1 | 0 | 1 | 5.9 | 0.0 | 5.9 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 3 | 0 | 3 | 27.3 | 0.0 | 27.3 | 3 | 1 | 4 | 60.0 | 20.0 | 80.0 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 | 1 | 1 | 0.0 | 9.1 | 9.1 | 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 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 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 8-Unknown | 4 | 0 | 4 | 23.5 | 0.0 | 23.5 | 2 | 0 | 2 | 25.0 | 0.0 | 25.0 | 2 | 0 | 2 | 18.2 | 0.0 | 18.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 9-Other | 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 Total | 15 | 2 | 17 | 88.2 | 11.8 | 100. | 7 | 1 | 8 | 87.5 | 12.5 | 100. | 10 | 1 | 11 | 90.9 | 9.1 | 100. | 3 | 2 | 5 | 60.0 | 40.0 | 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 | 1 | 3 | 7.7 | 3.8 | 11.5 | 2 | 0 | 2 | 8.3 | 0.0 | 8.3 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 4 | 3 | 7 | 6.6 | 4.9 | 11.5 1-Astronomical | 0 | 1 | 1 | 0.0 | 3.8 | 3.8 | 3 | 1 | 4 | 12.5 | 4.2 | 16.7 | 1 | 1 | 2 | 12.5 | 12.5 | 25.0 | 3 | 10 | 13 | 4.9 | 16.4 | 21.3 2-Aircraft | 3 | 1 | 4 | 11.5 | 3.8 | 15.3 | 2 | 4 | 6 | 8.3 | 16.7 | 25.0 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 2 | 2 | 4 | 3.3 | 3.3 | 6.6 3-Light Phenom. | 0 | 1 | 1 | 0.0 | 3.8 | 3.8 | 1 | 0 | 1 | 4.2 | 0.0 | 4.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 1.6 | 0.0 | 1.6 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 | 3.8 | 0.0 | 3.8 | 1 | 0 | 1 | 4.2 | 0.0 | 4.2 | 2 | 0 | 2 | 25.0 | 0.0 | 25.0 | 10 | 0 | 10 | 16.4 | 0.0 | 16.4 7-Psychological | 0 | 1 | 1 | 0.0 | 3.8 | 3.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 1.6 | 0.0 | 1.6 8-Unknown | 13 | 0 | 13 | 50.0 | 0.0 | 50.0 | 7 | 0 | 7 | 29.2 | 0.0 | 29.2 | 2 | 0 | 2 | 25.0 | 0.0 | 25.0 | 22 | 0 | 22 | 36.1 | 0.0 | 36.1 9-Other | 2 | 0 | 2 | 7.7 | 0.0 | 7.7 | 3 | 0 | 3 | 12.5 | 0.0 | 12.5 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 0 | 3 | 4.9 | 0.0 | 4.9 Total | 21 | 5 | 26 | 80.8 | 19.2 | 100. | 19 | 5 | 24 | 79.2 | 20.8 | 100. | 7 | 1 | 8 | 87.5 | 12.5 | 100. | 46 | 15 | 61 | 75.4 | 24.6 | 100. 155