Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 157 of 312
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TABLE A73 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY NUMBER OF OBJECTS PER SIGHTING, THREE TO TEN 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 | 14 | 9 | 23 | 4.9 | 3.2 | 8.1 | 1 | 0 | 1 | 4.8 | 0.0 | 4.8 | 1 | 0 | 1 | 9.1 | 0.0 | 9.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 1-Astronomical | 5 | 12 | 17 | 1.8 | 4.2 | 6.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 2 | 2 | 0.0 | 18.2 | 18.2 | 1 | 0 | 1 | 5.6 | 0.0 | 5.6 2-Aircraft | 54 | 27 | 81 | 18.9 | 9.5 | 28.4 | 1 | 0 | 1 | 4.8 | 0.0 | 4.8 | 2 | 0 | 2 | 18.2 | 0.0 | 18.2 | 1 | 3 | 4 | 5.6 | 16.7 | 22.3 3-Light Phenom. | 4 | 8 | 12 | 1.4 | 2.8 | 4.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 2 | 2 | 0.0 | 18.2 | 18.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 4-Birds | 5 | 8 | 13 | 1.8 | 2.8 | 4.6 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 2 | 3 | 9.1 | 18.2 | 27.3 | 0 | 1 | 1 | 0.0 | 5.6 | 5.6 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. | 39 | 0 | 39 | 13.7 | 0.0 | 13.7 | 5 | 0 | 5 | 23.8 | 0.0 | 23.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 6 | 0 | 6 | 33.3 | 0.0 | 33.3 7-Psychological | 1 | 3 | 4 | 0.4 | 1.1 | 1.5 | 0 | 1 | 1 | 0.0 | 4.8 | 4.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 5.6 | 0.0 | 5.6 8-Unknown | 78 | 0 | 78 | 27.4 | 0.0 | 27.4 | 7 | 0 | 7 | 33.3 | 0.0 | 33.3 | 1 | 0 | 1 | 9.1 | 0.0 | 9.1 | 5 | 0 | 5 | 27.8 | 0.0 | 27.8 9-Other | 16 | 2 | 18 | 5.6 | 0.7 | 6.3 | 6 | 0 | 6 | 28.6 | 0.0 | 28.6 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 Total | 216 | 69 | 285 | 75.8 | 24.2 | 100.0 | 20 | 1 | 21 | 95.2 | 4.8 | 100.0 | 5 | 6 | 11 | 45.5 | 54.5 | 100.0 | 14 | 4 | 18 | 77.8 | 22.2 | 100.0 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 | 2 | 0 | 2 | 9.1 | 0.0 | 9.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 10 | 9 | 19 | 4.9 | 4.4 | 9.3 | | | | | | 1-Astronomical | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 3 | 4 | 10.0 | 30.0 | 40.0 | 3 | 7 | 10 | 1.5 | 3.4 | 4.9 | | | | | | 2-Aircraft | 8 | 1 | 9 | 36.4 | 4.5 | 40.9 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0 | 41 | 23 | 64 | 20.2 | 11.3 | 31.5 | | | | | | 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 6 | 10 | 2.0 | 3.0 | 5.0 | | | | | | 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 5 | 9 | 2.0 | 2.5 | 4.5 | | | | | | 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 | | | | | | 6-Insuffic. Info. | 4 | 0 | 4 | 18.2 | 0.0 | 18.2 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0 | 23 | 0 | 23 | 11.3 | 0.0 | 11.3 | | | | | | 7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 2 | 2 | 0.0 | 1.0 | 1.0 | | | | | | 8-Unknown | 5 | 0 | 5 | 22.7 | 0.0 | 22.7 | 3 | 0 | 3 | 30.0 | 0.0 | 30.0 | 57 | 0 | 57 | 28.0 | 0.0 | 28.0 | | | | | | 9-Other | 1 | 1 | 2 | 4.5 | 4.5 | 9.0 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0 | 8 | 1 | 9 | 3.9 | 0.5 | 4.3 | | | | | | Total | 90 | 2 | 92 | 90.9 | 9.1 | 100.0 | 9 | 3 | 10 | 70.0 | 30.0 | 100.0 | 150 | 53 | 203 | 73.9 | 26.1 | 100.0 | | | | | | TABLE A74 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY NUMBER OF OBJECTS PER SIGHTING, ELEVEN OR MORE 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 | 1 | 1 | 2 | 1.3 | 1.3 | 2.6 | 0 | 0 | 0 | 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-Astronomical | 4 | 4 | 8 | 6.1 | 5.1 | 10.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 25.0 | 25.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 2-Aircraft | 3 | 6 | 9 | 3.8 | 1.6 | 11.4 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 25.0 | 0.0 | 25.0 | 0 | 1 | 1 | 0.0 | 7.7 | 7.7 3-Light Phenom. | 3 | 0 | 3 | 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 4-Birds | 4 | 1 | 5 | 5.1 | 1.3 | 6.4 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 15.4 | 0.0 | 15.4 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. | 10 | 0 | 10 | 12.7 | 0.0 | 12.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 25.0 | 0.0 | 25.0 | 4 | 0 | 4 | 30.8 | 0.0 | 30.8 7-Psychological | 3 | 1 | 4 | 3.8 | 1.3 | 5.1 | 1 | 1 | 2 | 12.5 | 12.5 | 25.0 | 1 | 0 | 1 | 25.0 | 0.0 | 25.0 | 1 | 0 | 1 | 7.7 | 0.0 | 7.7 8-Unknown | 32 | 0 | 32 | 40.5 | 0.0 | 40.5 | 5 | 0 | 5 | 62.5 | 0.0 | 62.5 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 0 | 4 | 30.8 | 0.0 | 30.8 9-Other | 5 | 1 | 6 | 6.3 | 1.3 | 7.6 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 7.7 | 0.0 | 7.7 Total | 65 | 14 | 79 | 82.3 | 17.7 | 100.0 | 7 | 1 | 8 | 87.5 | 12.5 | 100.0 | 3 | 1 | 4 | 75.0 | 25.0 | 100.0 | 12 | 1 | 13 | 92.3 | 7.7 | 100.0 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 1 | 2 | 2.1 | 2.1 | 4.2 | | | | | | 1-Astronomical | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 3 | 6 | 6.4 | 6.4 | 12.8 | | | | | | 2-Aircraft | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 5 | 7 | 4.3 | 10.6 | 14.9 | | | | | | 3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 0 | 3 | 6.4 | 0.0 | 6.4 | | | | | | 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 20.0 | 20.0 | 2 | 0 | 2 | 4.3 | 0.0 | 4.3 | | | | | | 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 | | | | | | 6-Insuffic. Info. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 20.0 | 0.0 | 20.0 | 4 | 0 | 4 | 8.5 | 0.0 | 8.5 | | | | | | 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 | | | | | | 8-Unknown | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 | 2 | 0 | 2 | 40.0 | 0.0 | 40.0 | 20 | 0 | 20 | 42.5 | 0.0 | 42.5 | | | | | | 9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 20.0 | 0.0 | 20.0 | 2 | 1 | 3 | 4.3 | 2.1 | 6.4 | | | | | | Total | 2 | 0 | 2 | 100.0 | 0.0 | 100.0 | 4 | 1 | 5 | 80.0 | 20.0 | 100.0 | 37 | 10 | 47 | 78.7 | 21.3 | 100.0 | | | | | | 148