Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 203 of 312
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TABLE A135 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY SHAPE OF OBJECT, METEOR OR COMET Evaluation | ALL YEARS | 1947 | 1948 | 1949 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 0-Balloon | 2 | 0 | 2 | 2.6 | 0.0 | 2.6 | | | | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 1-Astronomical | 41 | 21 | 62 | 53.9 | 27.6 | 81.5 | | | | 4 | 4 | 8 | 40.0 | 40.0 | 80.0 | 1 | 5 | 6 2-Aircraft | 2 | 2 | 4 | 2.6 | 2.6 | 5.2 | | | | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 3-Light Phenom. | 0 | 1 | 1 | 0.0 | 1.3 | 1.3 | | | | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 4-Birds | 0 | 1 | 1 | 0.0 | 1.3 | 1.3 | | | | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 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 6-Insuffic. Info. | 1 | 0 | 1 | 1.3 | 0.0 | 1.3 | | | | 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 8-Unknown | 5 | 0 | 5 | 6.6 | 0.0 | 6.6 | | | | 2 | 0 | 2 | 20.0 | 0.0 | 20.0 | 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 Total | 51 | 25 | 76 | 67.1 | 32.9 | 100. | | | | 6 | 4 | 10 | 60.0 | 40.0 | 100. | 1 | 6 | 7 Evaluation | 1950 | 1951 | 1952 | | 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 0-Balloon | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 | 0 | 0 | 0 | 1 | 0 | 1 | 1.8 | 0.0 | 1.8 | | | 1-Astronomical | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 | 1 | 1 | 2 | 34 | 11 | 45 | 61.8 | 20.0 | 81.8 | | | 2-Aircraft | 0 | 0 | 2 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 2 | 2 | 4 | 36 | 36 | 72 | | | 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.0 | 1.8 | 1.8 | | | 4-Birds | 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 | | | 6-Insuffic. Info. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 1 | 0 | 1 | 1.8 | 0.0 | 1.8 | | | 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | | | 8-Unknown | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 3 | 0 | 3 | 5.4 | 0.0 | 5.4 | | | 9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | | | Total | 2 | 0 | 2 | 100.0 | 0.0 | 100. | 1 | 1 | 2 | 50.0 | 50.0 | 100. | 41 | 14 | 55 | 14.5 | 25.5 | 100. TABLE A136 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY SHAPE OF OBJECT, LENTICULAR, CONICAL OR TEARDROP Evaluation | ALL YEARS | 1947 | 1948 | 1949 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 0-Balloon | 26 | 4 | 30 | 19.0 | 2.9 | 21.9 | 0 | 0 | 0 | 2 | 0 | 2 | 26.0 | 0.0 | 26.0 | 5 | 0 | 5 1-Astronomical | 13 | 13 | 26 | 9.5 | 9.5 | 19.0 | 0 | 1 | 1 | 3 | 0 | 3 | 37.5 | 0.0 | 37.5 | 0 | 2 | 2 2-Aircraft | 16 | 13 | 29 | 11.7 | 9.5 | 21.2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 2 | 2 3-Light Phenom. | 0 | 1 | 1 | 0.0 | 0.7 | 0.7 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 4-Birds | 1 | 1 | 2 | 0.7 | 0.7 | 1.4 | 0 | 0 | 0 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 0 | 0 | 0 5-Clouds, Dust, etc. | 0 | 2 | 2 | 0.0 | 1.5 | 1.5 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 6-Insuffic. Info. | 13 | 0 | 13 | 9.5 | 0.0 | 9.5 | 2 | 0 | 2 | 33.3 | 0.0 | 33.3 | 0 | 0 | 0 | 0 | 0 | 0 7-Psychological | 4 | 0 | 4 | 2.9 | 0.0 | 2.9 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 8-Unknown | 26 | 0 | 26 | 19.0 | 0.0 | 19.0 | 2 | 0 | 2 | 33.3 | 0.0 | 33.3 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 9-Other | 3 | 1 | 4 | 2.2 | 0.7 | 2.9 | 1 | 0 | 1 | 16.7 | 0.0 | 16.7 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 Total | 102 | 35 | 137 | 74.5 | 25.5 | 100. | 5 | 1 | 6 | 83.3 | 16.7 | 100. | 8 | 0 | 8 | 100.0 | 0.0 | 100. Evaluation | 1950 | 1951 | 1952 | | 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 0-Balloon | 2 | 1 | 3 | 18.2 | 9.1 | 27.3 | 2 | 0 | 2 | 15 | 3 | 18 | 15.5 | 3.1 | 18.6 | | | 1-Astronomical | 0 | 2 | 2 | 0.0 | 18.2 | 18.2 | 0 | 1 | 1 | 10 | 7 | 17 | 10.3 | 7.2 | 17.5 | | | 2-Aircraft | 3 | 0 | 3 | 27.3 | 0.0 | 27.3 | 0 | 0 | 0 | 13 | 11 | 24 | 13.4 | 11.3 | 24.7 | | | 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.0 | 1.0 | 1.0 | | | 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0 | 1 | 1 | 0.0 | 1.0 | 1.0 | | | 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0 | 2 | 2 | 0.0 | 2.1 | 2.1 | | | 6-Insuffic. Info. | 1 | 0 | 1 | 9.1 | 0.0 | 9.1 | 2 | 0 | 2 | 8 | 0 | 8 | 8.2 | 0.0 | 8.2 | | | 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 4 | 0 | 4 | 4.1 | 0.0 | 4.1 | | | 8-Unknown | 2 | 0 | 2 | 18.2 | 0.0 | 18.2 | 1 | 0 | 1 | 20 | 0 | 20 | 20.6 | 0.0 | 20.6 | | | 9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 1 | 1 | 1 | 1.0 | 1.0 | 2.0 | | | Total | 8 | 3 | 11 | 72.7 | 27.3 | 100. | 5 | 1 | 6 | 83.3 | 16.7 | 100. | 71 | 26 | 97 | 73.2 | 26.8 | 100. 194