Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 205 of 312
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TABLE A139 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY SHAPE OF OBJECT, SHAPE NOT STATED Evaluation | All Years | 1947 | 1948 | 1949 Number | Per Cent | Number | Per Cent | 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 | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total 0-Balloon | 35 | 38 | 73 | 5.6 | 6.1 | 11.7 | 1 | 0 | 1 | 3.8 | 0.0 | 3.8 | 3 | 2 | 5 | 12.5 | 8.3 | 20.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 1-Astronomical | 101 | 47 | 148 | 16.2 | 7.5 | 23.7 | 8 | 1 | 9 | 30.8 | 3.8 | 34.6 | 1 | 3 | 4 | 4.2 | 12.5 | 16.7 | 16 | 16 | 32 | 32.7 | 32.7 | 65.4 | 16 | 16 | 32 | 32.7 | 32.7 | 65.4 | 16 | 16 | 32 2-Aircraft | 63 | 40 | 103 | 10.1 | 6.4 | 16.5 | 1 | 1 | 2 | 3.8 | 3.8 | 7.6 | 3 | 0 | 3 | 12.5 | 0.0 | 12.5 | 4 | 1 | 5 | 8.2 | 2.0 | 10.2 | 4 | 1 | 5 | 8.2 | 2.0 | 10.2 | 4 | 1 | 5 3-Light Phenom. | 9 | 0 | 9 | 1.4 | 0.0 | 1.4 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 8.3 | 0.0 | 8.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 4-Birds | 2 | 1 | 3 | 0.3 | 0.2 | 0.5 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 4.2 | 4.2 | 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 | 0 | 2 | 0.3 | 0.0 | 0.3 | 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 6-Insuffic. Info. | 102 | 0 | 102 | 16.3 | 0.0 | 16.3 | 4 | 0 | 4 | 15.4 | 0.0 | 15.4 | 7 | 0 | 7 | 29.2 | 0.0 | 29.2 | 6 | 0 | 6 | 12.2 | 0.0 | 12.2 | 6 | 0 | 6 | 12.2 | 0.0 | 12.2 | 6 | 0 | 6 7-Psychological | 2 | 1 | 3 | 0.3 | 0.2 | 0.5 | 1 | 0 | 1 | 3.8 | 0.0 | 3.8 | 0 | 0 | 0 | 0.0 | 0.0 | 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 | 139 | 0 | 139 | 22.3 | 0.0 | 22.3 | 6 | 0 | 6 | 23.1 | 0.0 | 23.1 | 2 | 0 | 2 | 8.3 | 0.0 | 8.3 | 4 | 0 | 4 | 8.2 | 0.0 | 8.2 | 4 | 0 | 4 | 8.2 | 0.0 | 8.2 | 4 | 0 | 4 9-Other | 35 | 7 | 42 | 5.6 | 1.1 | 6.7 | 3 | 0 | 3 | 11.5 | 0.0 | 11.5 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 4.1 | 0.0 | 4.1 | 2 | 0 | 2 | 4.1 | 0.0 | 4.1 | 2 | 0 | 2 Total | 490 | 134 | 624 | 78.5 | 21.5 | 100. | 24 | 2 | 26 | 92.3 | 7.7 | 100. | 18 | 6 | 24 | 75.0 | 25.0 | | 32 | 17 | 49 | 65.3 | 34.7 | 100. | 32 | 17 | 49 | 65.3 | 34.7 | 100. | 32 | 17 | 49 Evaluation | 1950 | 1951 | 1952 | Number | Per Cent | Number | Per Cent | 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 | Certain | Doubtful | Total | Certain | Doubtful | Total | Certain | Doubtful | Total 0-Balloon | 2 | 2 | 4 | 3.3 | 3.3 | 6.6 | 0 | 1 | 1 | 0.0 | 2.1 | 2.1 | 29 | 33 | 62 | 6.9 | 7.9 | 14.8 | | | | | | | | | | | | | | | 1-Astronomical | 18 | 4 | 22 | 30.0 | 6.7 | 36.7 | 10 | 6 | 16 | 21.2 | 12.8 | 34.0 | 48 | 17 | 65 | 11.5 | 4.1 | 15.6 | | | | | | | | | | | | | | | 2-Aircraft | 7 | 6 | 13 | 11.7 | 10.0 | 21.7 | 2 | 2 | 4 | 4.3 | 4.3 | 8.6 | 46 | 30 | 76 | 11.0 | 7.2 | 18.2 | | | | | | | | | | | | | | | 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 4.3 | 0.0 | 4.3 | 5 | 0 | 5 | 1.2 | 0.0 | 1.2 | | | | | | | | | | | | | | | 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 0.5 | 0.0 | 0.5 | | | | | | | | | | | | | | | 5-Clouds, Dust, etc. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 0.5 | 0.0 | 0.5 | | | | | | | | | | | | | | | 6-Insuffic. Info. | 6 | 0 | 6 | 10.0 | 0.0 | 10.0 | 4 | 0 | 4 | 8.5 | 0.0 | 8.5 | 75 | 0 | 75 | 17.9 | 0.0 | 17.9 | | | | | | | | | | | | | | | 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 2.1 | 0.0 | 2.1 | 0 | 1 | 1 | 0.0 | 0.2 | 0.2 | | | | | | | | | | | | | | | 8-Unknown | 11 | 0 | 11 | 18.3 | 0.0 | 18.3 | 14 | 0 | 14 | 29.8 | 0.0 | 29.8 | 102 | 0 | 102 | 24.4 | 0.0 | 24.4 | | | | | | | | | | | | | | | 9-Other | 3 | 1 | 4 | 5.0 | 1.7 | 6.7 | 5 | 0 | 5 | 10.6 | 0.0 | 10.6 | 22 | 6 | 28 | 5.3 | 1.4 | 6.7 | | | | | | | | | | | | | | | Total | 47 | 13 | 60 | 78.3 | 21.7 | 100. | 38 | 9 | 47 | 80.9 | 19.1 | 100. | 331 | 87 | 418 | 79.2 | 20.8 | 100. | | | | | | | | | | | | | | 196