John Company

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

CIA-UAP-015 · page 171 of 312

Page 171 of 312 of CIA-UAP-015

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TABLE A97 EVALUATION OF OBJECT SIGHTINGS BY DURATION OF SIGHTING, 1948

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 | 4.3 | 0.0 | 4.3 | 0 | 1 | 1 | 0.0 | 7.7 | 7.7 | 0 | 2 | 2 | 0.0 | 22.2 | 22.2 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
1-Astronomical | 5 | 2 | 7 | 21.7 | 30.4 | 52.1 | 4 | 1 | 5 | 30.8 | 7.7 | 38.5 | 0 | 1 | 1 | 0.0 | 11.1 | 11.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
2-Aircraft | 2 | 0 | 2 | 8.7 | 0.0 | 8.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 2 | 0 | 2 | 50.0 | 0.0 | 50.0
3-Light Phenom. | 1 | 0 | 1 | 4.3 | 0.0 | 4.3 | 0 | 2 | 2 | 0.0 | 15.4 | 15.4 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
4-Birds | 1 | 0 | 1 | 4.3 | 0.0 | 4.3 | 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
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 | 8.7 | 0.0 | 8.7 | 1 | 0 | 1 | 7.7 | 0.0 | 7.7 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 1 | 0 | 1 | 25.0 | 0.0 | 25.0
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 | 3 | 0 | 3 | 13.0 | 0.0 | 13.0 | 4 | 0 | 4 | 30.8 | 0.0 | 30.8 | 3 | 0 | 3 | 33.3 | 0.0 | 33.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
9-Other | 0 | 1 | 1 | 0.0 | 4.3 | 4.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 11.1 | 11.1 | 1 | 0 | 1 | 25.0 | 0.0 | 25.0
Total | 15 | 8 | 23 | 65.2 | 34.8 | 100. | 9 | 4 | 13 | 69.2 | 30.8 | 100. | 5 | 4 | 9 | 55.6 | 44.4 | 100. | 4 | 0 | 4 | 100.0 | 0.0 | 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 | 1 | 1 | 2 | 11.1 | 11.1 | 22.2 | 1 | 4 | 5 | 6.7 | 26.7 | 33.4 | 4 | 0 | 4 | 44.4 | 0.0 | 44.4 | 5 | 2 | 7 | 8.2 | 3.3 | 11.5
1-Astronomical | 1 | 1 | 2 | 11.1 | 11.1 | 22.2 | 4 | 0 | 4 | 26.7 | 0.0 | 26.7 | 3 | 0 | 3 | 33.3 | 0.0 | 33.3 | 8 | 13 | 21 | 13.1 | 21.3 | 34.4
2-Aircraft | 3 | 0 | 3 | 33.3 | 0.0 | 33.3 | 1 | 1 | 2 | 6.7 | 6.7 | 13.4 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 5 | 3 | 8 | 8.2 | 4.9 | 13.1
3-Light Phenom. | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 1.6 | 1.6
4-Birds | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 6.7 | 6.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 2 | 3 | 1.6 | 3.3 | 4.9
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 | 11.1 | 0.0 | 11.1 | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 10 | 0 | 10 | 16.4 | 0.0 | 16.4
7-Psychological | 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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
8-Unknown | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 0 | 4 | 6.6 | 0.0 | 6.6
9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 1 | 1 | 0.0 | 6.7 | 6.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 4 | 7 | 4.9 | 6.6 | 11.5
Total | 7 | 2 | 9 | 77.8 | 22.2 | 100. | 8 | 7 | 15 | 53.3 | 46.7 | 100. | 9 | 0 | 9 | 100.0 | 0.0 | 100. | 36 | 25 | 61 | 59.0 | 41.0 | 100.

TABLE A98 EVALUATION OF OBJECT SIGHTINGS BY DURATION OF SIGHTING, 1949

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 | 4 | 38 | 42 | 8.5 | 80.9 | 89.4 | 0 | 2 | 2 | 0.0 | 28.6 | 28.6 | 2 | 3 | 5 | 22.2 | 33.3 | 55.5 | 2 | 0 | 2 | 18.2 | 0.0 | 18.2
2-Aircraft | 0 | 2 | 2 | 0.0 | 4.3 | 4.3 | 0 | 1 | 1 | 0.0 | 14.3 | 14.3 | 2 | 0 | 2 | 22.2 | 0.0 | 22.2 | 2 | 0 | 2 | 18.2 | 0.0 | 18.2
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-Bird | 0 | 1 | 1 | 0.0 | 2.1 | 2.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 18.2 | 0.0 | 18.2
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 | 4.3 | 0.0 | 4.3 | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 1 | 0 | 1 | 9.1 | 0.0 | 9.1
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 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 28.6 | 0.0 | 28.6 | 1 | 0 | 1 | 11.1 | 0.0 | 11.1 | 8 | 0 | 4 | 36.4 | 0.0 | 36.4
9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
Total | 6 | 41 | 47 | 128 | 87.2 | 100. | 4 | 3 | 7 | 57.1 | 42.9 | 100. | 6 | 3 | 9 | 66.7 | 33.3 | 100. | 11 | 0 | 11 | 100.0 | 0.0 | 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 | 6 | 0 | 6 | 27.3 | 0.0 | 27.3 | 2 | 2 | 4 | 10.0 | 10.0 | 20.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 3 | 0 | 3 | 4.8 | 0.0 | 4.8
1-Astronomical | 0 | 3 | 3 | 0.0 | 13.6 | 13.6 | 3 | 0 | 3 | 15.0 | 0.0 | 15.0 | 3 | 0 | 3 | 42.9 | 0.0 | 42.9 | 15 | 9 | 24 | 23.8 | 14.3 | 38.1
2-Aircraft | 3 | 2 | 5 | 13.6 | 9.1 | 22.7 | 3 | 3 | 6 | 15.0 | 15.0 | 30.0 | 0 | 1 | 1 | 0.0 | 14.3 | 14.3 | 8 | 3 | 11 | 12.7 | 4.8 | 17.5
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 | 13.6 | 0.0 | 13.6 | 1 | 0 | 1 | 5.0 | 0.0 | 5.0 | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 15 | 0 | 15 | 23.8 | 0.0 | 23.8
7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 5.0 | 0.0 | 5.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 3.2 | 0.0 | 3.2
8-Unknown | 4 | 0 | 4 | 18.2 | 0.0 | 18.2 | 4 | 0 | 4 | 20.0 | 0.0 | 20.0 | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 6 | 0 | 6 | 9.5 | 0.0 | 9.5
9-Other | 1 | 0 | 1 | 4.5 | 0.0 | 4.5 | 1 | 0 | 1 | 5.0 | 0.0 | 5.0 | 1 | 0 | 1 | 14.3 | 0.0 | 14.3 | 2 | 0 | 2 | 3.2 | 0.0 | 3.2
Total | 17 | 5 | 22 | 77.3 | 22.7 | 100. | 15 | 5 | 20 | 75.0 | 25.0 | 100. | 6 | 1 | 7 | 85.7 | 14.3 | 100. | 51 | 12 | 63 | 81.0 | 19.0 | 100.

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