Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)
CIA-UAP-015 · page 246 of 312
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TABLE A208 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY NUMBER OF OBJECTS PER SIGHTING FOR DURATION OF SIGHTING, NUMBER OF OBJECTS NOT STATED Evaluation | 5 SECONDS OR LESS | 6-10 SECONDS | 11-20 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | | | | | | | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 1-Astronomical | 2 | 0 | 2 | 66.7 | 0.0 | 66.7 | | | | | | | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 2-Aircraft | 0 | 1 | 1 | 0.0 | 33.3 | 33.3 | | | | | | | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 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 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | | | | | | | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 100.0 | 0.0 | 100.0 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 6-Insuff. 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 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | | | | | | | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 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 Total | 2 | 1 | 3 | 66.7 | 33.3 | 100.0 | | | | | | | 2 | 0 | 2 | 100.0 | 0.0 | 100.0 | 1 | 0 | 1 | 100.0 | 0.0 | 100.0 Evaluation | 61 SECONDS - 5 MINUTES | 6-30 MINUTES | OVER 30 MINUTES | DURATION 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 | 0 | 2 | 40.0 | 0.0 | 40.0 | 0 | 1 | 1 | 20.0 | 0.0 | 20.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 3.0 | 0.0 | 3.0 1-Astronomical | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 11 | 1 | 12 | 33.3 | 3.0 | 36.3 2-Aircraft | 1 | 0 | 1 | 20.0 | 0.0 | 20.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 3 | 4 | 3.0 | 9.1 | 12.1 3-Light Phenom. | 1 | 0 | 1 | 20.0 | 0.0 | 20.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 3.0 | 3.0 4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 33.3 | 0.0 | 33.3 | 2 | 0 | 2 | 25.0 | 0.0 | 25.0 | 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-Insuff. Info. | 1 | 0 | 1 | 20.0 | 0.0 | 20.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 25.0 | 0.0 | 25.0 | 8 | 0 | 8 | 24.2 | 0.0 | 24.2 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 | 1 | 1 | 0.0 | 3.0 | 3.0 8-Unknown | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 33.3 | 0.0 | 33.3 | 2 | 0 | 2 | 25.0 | 0.0 | 25.0 | 5 | 0 | 5 | 15.2 | 0.0 | 15.2 9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 12.5 | 0.0 | 12.5 | 1 | 0 | 1 | 3.0 | 0.0 | 3.0 Total | 5 | 0 | 5 | 100.0 | 0.0 | 100.0 | 2 | 1 | 3 | 66.7 | 33.3 | 100.0 | 8 | 0 | 8 | 100.0 | 0.0 | 100.0 | 27 | 6 | 33 | 81.8 | 18.2 | 100.0 237