Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 153 of 312
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TABLE A66 EVALUATION OF ALL SIGHTINGS FOR ALL YEARS BY NUMBER OF OBJECTS PER SIGHTING, ONE OBJECT Evaluation | ALL YEARS | 1947 | 1948 | 1949 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 | 228 | 147 | 375 | 9.5 | 6.1 | 15.6 | 5 | 0 | 5 | 7.0 | 0.0 | 7.0 | 15 | 19 | 34 | 9.0 | 11.4 | 20.4 | 14 | 5 | 19 | 4.3 | 1.5 | 5.8 1-Astronomical | 436 | 311 | 747 | 18.1 | 12.9 | 31.0 | 29 | 6 | 35 | 40.8 | 8.4 | 49.2 | 34 | 34 | 68 | 20.3 | 20.3 | 40.6 | 64 | 128 | 192 | 19.7 | 39.4 | 59.1 2-Aircraft | 227 | 197 | 424 | 9.4 | 8.2 | 17.6 | 0 | 2 | 2 | 0.0 | 2.8 | 2.8 | 9 | 5 | 14 | 5.4 | 3.0 | 8.4 | 28 | 12 | 40 | 8.6 | 3.7 | 12.3 3-Light Phenom. | 19 | 11 | 30 | 0.8 | 0.5 | 1.3 | 2 | 0 | 2 | 2.8 | 0.0 | 2.8 | 1 | 1 | 2 | 0.6 | 0.6 | 1.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 4-Birds | 1 | 1 | 2 | 0.1 | 0.1 | 0.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 1 | 2 | 0.6 | 0.6 | 1.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 5-Clouds, Dust, etc. | 9 | 12 | 21 | 0.4 | 0.5 | 0.9 | 0 | 0 | 0 | 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. | 215 | 0 | 215 | 8.9 | 0.0 | 8.9 | 5 | 0 | 5 | 7.0 | 0.0 | 7.0 | 16 | 0 | 16 | 9.6 | 0.0 | 9.6 | 22 | 0 | 22 | 6.8 | 0.0 | 6.8 7-Psychological | 34 | 0 | 34 | 1.4 | 0.0 | 1.4 | 2 | 0 | 2 | 2.8 | 0.0 | 2.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 0.3 | 0.0 | 0.3 8-Unknown | 463 | 0 | 463 | 19.2 | 0.0 | 19.2 | 12 | 0 | 12 | 16.9 | 0.0 | 16.9 | 23 | 0 | 23 | 13.8 | 0.0 | 13.8 | 40 | 0 | 40 | 12.3 | 0.0 | 12.3 9-Other | 99 | 0 | 99 | 4.1 | 0.0 | 4.1 | 8 | 0 | 8 | 11.3 | 0.0 | 11.3 | 8 | 0 | 8 | 4.8 | 0.0 | 4.8 | 10 | 0 | 10 | 3.1 | 0.0 | 3.1 Total | 1731 | 679 | 2410 | 71.8 | 28.2 | 100. | 63 | 8 | 71 | 88.7 | 11.3 | 100. | 107 | 60 | 167 | 64.1 | 35.9 | 100. | 179 | 145 | 324 | 55.3 | 44.7 | 100. Evaluation | 1950 | 1951 | 1952 | 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 | 30 | 7 | 37 | 11.8 | 2.8 | 14.6 | 10 | 4 | 14 | 7.4 | 2.9 | 10.3 | 154 | 112 | 266 | 10.6 | 7.7 | 18.3 | | | | | | 1-Astronomical | 46 | 25 | 71 | 18.1 | 9.8 | 27.9 | 23 | 14 | 37 | 16.9 | 10.3 | 27.2 | 240 | 104 | 344 | 16.5 | 7.1 | 23.6 | | | | | | 2-Aircraft | 22 | 13 | 35 | 8.6 | 5.1 | 13.7 | 15 | 7 | 22 | 11.0 | 5.1 | 16.1 | 153 | 158 | 311 | 10.5 | 10.8 | 21.3 | | | | | | 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 1 | 3 | 1.5 | 0.7 | 2.2 | 14 | 9 | 23 | 1.0 | 0.6 | 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 | | | | | | 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 9 | 12 | 21 | 0.6 | 0.8 | 1.4 | | | | | | 6-Insuffic. Info. | 44 | 0 | 44 | 17.3 | 0.0 | 17.3 | 10 | 0 | 10 | 7.4 | 0.0 | 7.4 | 118 | 0 | 118 | 8.1 | 0.0 | 8.1 | | | | | | 7-Psychological | 4 | 0 | 4 | 1.6 | 0.0 | 1.6 | 2 | 0 | 2 | 1.5 | 0.0 | 1.5 | 25 | 0 | 25 | 1.7 | 0.0 | 1.7 | | | | | | 8-Unknown | 53 | 0 | 53 | 20.8 | 0.0 | 20.8 | 43 | 0 | 43 | 31.6 | 0.0 | 31.6 | 292 | 0 | 292 | 20.0 | 0.0 | 20.0 | | | | | | 9-Other | 10 | 0 | 10 | 3.9 | 0.0 | 3.9 | 5 | 0 | 5 | 3.7 | 0.0 | 3.7 | 58 | 0 | 58 | 4.0 | 0.0 | 4.0 | | | | | | Total | 209 | 45 | 254 | 82.3 | 17.7 | 100. | 110 | 26 | 136 | 80.9 | 19.1 | 100. | 1063 | 395 | 1458 | 72.9 | 27.1 | 100. | | | | | | TABLE A67 EVALUATION OF ALL SIGHTINGS FOR ALL YEARS BY NUMBER OF OBJECTS PER SIGHTING, TWO OBJECTS Evaluation | ALL YEARS | 1947 | 1948 | 1949 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 | 22 | 21 | 43 | 8.0 | 7.6 | 15.6 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 1 | 2 | 6.7 | 6.7 | 13.4 | 2 | 0 | 2 | 10.0 | 0.0 | 10.0 1-Astronomical | 12 | 13 | 25 | 4.4 | 4.7 | 9.1 | 2 | 2 | 4 | 22.2 | 22.2 | 44.4 | 2 | 1 | 3 | 13.3 | 6.7 | 20.0 | 6 | 4 | 10 | 30.0 | 20.0 | 50.0 2-Aircraft | 53 | 43 | 96 | 19.3 | 15.6 | 34.9 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 3 | 0 | 3 | 20.0 | 0.0 | 20.0 | 2 | 4 | 6 | 10.0 | 20.0 | 30.0 3-Light Phenom. | 4 | 2 | 6 | 1.4 | 0.7 | 2.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 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. | 2 | 1 | 3 | 0.7 | 0.4 | 1.1 | 0 | 0 | 0 | 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. | 19 | 0 | 19 | 6.9 | 0.0 | 6.9 | 0 | 0 | 0 | 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 | 4 | 0 | 4 | 1.4 | 0.0 | 1.4 | 0 | 0 | 0 | 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 | 64 | 0 | 64 | 23.3 | 0.0 | 23.3 | 2 | 0 | 2 | 22.2 | 0.0 | 22.2 | 2 | 0 | 2 | 13.3 | 0.0 | 13.3 | 2 | 0 | 2 | 10.0 | 0.0 | 10.0 9-Other | 15 | 0 | 15 | 5.4 | 0.0 | 5.4 | 2 | 0 | 2 | 22.2 | 0.0 | 22.2 | 4 | 0 | 4 | 26.7 | 0.0 | 26.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 Total | 195 | 80 | 275 | 70.9 | 29.1 | 100. | 7 | 2 | 9 | 77.8 | 22.2 | 100. | 13 | 2 | 15 | 86.7 | 13.3 | 100. | 12 | 8 | 20 | 60.0 | 40.0 | 100. Evaluation | 1950 | 1951 | 1952 | 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 | 5.3 | 0.0 | 5.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 18 | 20 | 38 | 8.7 | 9.7 | 18.4 | | | | | | 1-Astronomical | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 6 | 8 | 1.0 | 2.9 | 3.9 | | | | | | 2-Aircraft | 6 | 1 | 7 | 31.6 | 5.3 | 36.9 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 41 | 38 | 79 | 19.8 | 18.4 | 38.2 | | | | | | 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 2 | 5 | 1.4 | 1.0 | 2.4 | | | | | | 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 | | | | | | 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 1 | 3 | 1.0 | 0.5 | 1.5 | | | | | | 6-Insuffic. Info. | 1 | 0 | 1 | 5.3 | 0.0 | 5.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 18 | 0 | 18 | 8.7 | 0.0 | 8.7 | | | | | | 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 0 | 4 | 1.9 | 0.0 | 1.9 | | | | | | 8-Unknown | 9 | 0 | 9 | 47.4 | 0.0 | 47.4 | 4 | 0 | 4 | 80.0 | 0.0 | 80.0 | 45 | 0 | 45 | 21.7 | 0.0 | 21.7 | | | | | | 9-Other | 1 | 0 | 1 | 5.3 | 0.0 | 5.3 | 1 | 0 | 1 | 20.0 | 0.0 | 20.0 | 7 | 0 | 7 | 3.4 | 0.0 | 3.4 | | | | | | Total | 18 | 1 | 19 | 94.7 | 5.3 | 100. | 5 | 0 | 5 | 100.0 | 0.0 | 100. | 140 | 67 | 207 | 67.6 | 32.4 | 100. | | | | | | 144