John Company

Project Blue Book Special Report No. 14 (Analysis of Reports of Unidentified Aerial Objects)

CIA-UAP-015 · page 172 of 312

Page 172 of 312 of CIA-UAP-015

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TABLE A99 EVALUATION OF OBJECT SIGHTINGS BY DURATION OF SIGHTING, 1950

Evaluation | 5 SECONDS AND LESS | 6-10 SECONDS | 11-30 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 | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 10.0 | 10.0 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1
1-Astronomical | 6 | 4 | 10 | 40.0 | 26.7 | 66.7 | 1 | 2 | 3 | 25.0 | 50.0 | 75.0 | 2 | 0 | 2 | 20.0 | 0.0 | 20.0 | 0 | 2 | 2 | 0.0 | 22.2 | 22.2
2-Aircraft | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 1 | 0 | 1 | 25.0 | 0.0 | 25.0 | 3 | 2 | 5 | 30.0 | 20.0 | 50.0 | 2 | 0 | 2 | 22.2 | 0.0 | 22.2
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 | 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. | 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. | 2 | 0 | 2 | 13.3 | 0.0 | 13.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0 | 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
8-Unknown | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 10.0 | 0.0 | 10.0 | 3 | 0 | 3 | 33.3 | 0.0 | 33.3
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 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1
Total | 11 | 4 | 15 | 73.3 | 26.7 | 100. | 2 | 2 | 4 | 50.0 | 50.0 | 100. | 7 | 3 | 10 | 70.0 | 30.0 | 100. | 7 | 2 | 9 | 77.8 | 22.2 | 100.

Evaluation | 61 SECONDS-5 MINUTES | 6-30 MINUTES | OVER 30 MINUTES | 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 | 4 | 1 | 5 | 12.5 | 3.1 | 15.6 | 8 | 2 | 10 | 22.2 | 5.6 | 27.8 | 3 | 0 | 3 | 33.3 | 0.0 | 33.3 | 4 | 0 | 4 | 2.4 | 0.0 | 7.4
1-Astronomical | 3 | 0 | 3 | 9.4 | 0.0 | 9.4 | 2 | 0 | 2 | 5.6 | 0.0 | 5.6 | 2 | 1 | 3 | 22.2 | 11.1 | 33.3 | 9 | 5 | 14 | 16.7 | 9.3 | 26.0
2-Aircraft | 3 | 1 | 4 | 9.4 | 3.1 | 12.5 | 3 | 3 | 6 | 8.3 | 8.3 | 16.6 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 9 | 3 | 12 | 16.7 | 5.6 | 22.3
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 | 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. | 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. | 3 | 0 | 3 | 9.4 | 0.0 | 9.4 | 3 | 0 | 3 | 8.3 | 0.0 | 8.3 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 14 | 0 | 14 | 25.9 | 0.0 | 25.9
7-Psychological | 1 | 0 | 1 | 3.1 | 0.0 | 3.1 | 1 | 0 | 1 | 2.8 | 0.0 | 2.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
8-Unknown | 13 | 0 | 13 | 40.7 | 0.0 | 40.7 | 11 | 0 | 11 | 30.6 | 0.0 | 30.6 | 2 | 0 | 2 | 22.2 | 0.0 | 22.2 | 8 | 0 | 8 | 14.8 | 0.0 | 14.8
9-Other | 2 | 1 | 3 | 6.2 | 3.1 | 9.3 | 1 | 2 | 3 | 2.8 | 5.6 | 8.4 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 3.7 | 0.0 | 3.7
Total | 29 | 3 | 32 | 90.6 | 9.4 | 100. | 29 | 7 | 36 | 80.6 | 19.4 | 100. | 8 | 1 | 9 | 88.9 | 11.1 | 100. | 46 | 8 | 54 | 85.2 | 14.8 | 100.

TABLE A100 EVALUATION OF OBJECT SIGHTINGS BY DURATION OF SIGHTING, 1951

Evaluation | 5 SECONDS AND LESS | 6-10 SECONDS | 11-30 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 | 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 | 5 | 2 | 7 | 41.7 | 16.7 | 58.4 | 2 | 0 | 2 | 40.0 | 0.0 | 40.0 | 2 | 0 | 2 | 33.3 | 0.0 | 33.3 | 0 | 1 | 1 | 0.0 | 20.0 | 20.0
2-Aircraft | 1 | 0 | 1 | 8.3 | 0.0 | 8.3 | 1 | 0 | 1 | 20.0 | 0.0 | 20.0 | 2 | 0 | 2 | 33.3 | 0.0 | 33.3 | 3 | 1 | 4 | 60.0 | 20.6 | 80.0
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 | 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 | 1 | 1 | 0.0 | 16.7 | 16.7 | 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-Insuffic. 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 | 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
8-Unknown | 4 | 0 | 4 | 33.3 | 0.0 | 33.3 | 2 | 0 | 2 | 40.0 | 0.0 | 40.0 | 1 | 0 | 1 | 16.7 | 0.0 | 16.7 | 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
Total | 10 | 2 | 12 | 83.3 | 16.7 | 100. | 5 | 0 | 5 | 100.0 | 0.0 | 100. | 5 | 1 | 6 | 83.3 | 16.7 | 100. | 3 | 2 | 5 | 60.0 | 40.0 | 100.

Evaluation | 61 SECONDS-5 MINUTES | 6-30 MINUTES | OVER 30 MINUTES | 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 | 1 | 3 | 4.5 | 4.8 | 14.3 | 2 | 0 | 2 | 10.5 | 0.0 | 10.5 | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 3 | 2 | 5 | 6.5 | 4.3 | 10.8
1-Astronomical | 0 | 1 | 1 | 0.0 | 4.8 | 4.8 | 3 | 1 | 4 | 15.8 | 5.3 | 21.1 | 1 | 1 | 2 | 14.3 | 14.3 | 28.6 | 3 | 8 | 11 | 6.5 | 17.4 | 23.9
2-Aircraft | 3 | 1 | 4 | 14.3 | 4.8 | 19.1 | 2 | 3 | 5 | 10.5 | 15.8 | 26.3 | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 2 | 1 | 3 | 4.3 | 2.2 | 6.5
3-Light Phenom. | 0 | 1 | 1 | 0.0 | 4.8 | 4.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 2.2 | 0.0 | 2.2
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. | 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. | 1 | 0 | 1 | 4.8 | 0.0 | 4.8 | 1 | 0 | 1 | 5.3 | 0.0 | 5.3 | 2 | 0 | 2 | 28.6 | 0.0 | 28.6 | 10 | 0 | 10 | 21.7 | 0.0 | 21.7
7-Psychological | 0 | 1 | 1 | 0.0 | 4.8 | 4.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 2.2 | 0.0 | 2.2
8-Unknown | 8 | 0 | 8 | 38.1 | 0.0 | 38.1 | 4 | 0 | 4 | 21.1 | 0.0 | 21.1 | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 13 | 0 | 13 | 28.3 | 0.0 | 28.3
9-Other | 2 | 0 | 2 | 9.5 | 0.0 | 9.5 | 3 | 0 | 3 | 15.8 | 0.0 | 15.8 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 4.3 | 0.0 | 4.3
Total | 16 | 5 | 21 | 76.2 | 23.8 | 100. | 15 | 4 | 19 | 78.9 | 21.1 | 100. | 6 | 1 | 7 | 85.7 | 14.3 | 100. | 35 | 11 | 46 | 76.1 | 23.9 | 100.

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