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

Text

A machine read this text from the scan. When the text and the image disagree, the image is right.

TABLE A112 EVALUATION OF UNIT SIGHTINGS FOR ALL YEARS BY DURATION OF SIGHTING FOR MONTHS OF YEAR, ELEVEN TO THIRTY SECONDS

Evaluation | JANUARY | FEBRUARY | MARCH | APRIL
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 | 1 | 1 | 0.0 | 9.1 | 9.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
1-Astronomical | 4 | 1 | 5 | 6.7 | 16.7 | 33.4 | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 1 | 5 | 26.7 | 6.7 | 33.4
2-Aircraft | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 50.0 | 0.0 | 50.0 | 1 | 0 | 1 | 9.1 | 0.0 | 9.1 | 2 | 2 | 4 | 13.3 | 13.3 | 26.6
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 | 1 | 0 | 1 | 6.7 | 0.0 | 6.7
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 | 1 | 0 | 1 | 6.7 | 0.0 | 6.7
5-Clouds, Dust, etc. | 1 | 0 | 1 | 16.7 | 0.0 | 16.7 | 0 | 0 | 0 | 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 | 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 | 3 | 0 | 3 | 20.0 | 0.0 | 20.0
9-Other | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 6 | 7 | 9.1 | 54.5 | 63.6 | 1 | 0 | 1 | 6.7 | 0.0 | 6.7
Total | 5 | 1 | 6 | 83.3 | 16.7 | 100. | 2 | 0 | 2 | 100.0 | 0.0 | 100. | 4 | 7 | 11 | 36.4 | 63.6 | 100. | 12 | 3 | 15 | 80.0 | 20.0 | 100.

Evaluation | MAY | JUNE | JULY | AUGUST
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 | 6.7 | 6.7 | 13.4 | 1 | 0 | 1 | 5.9 | 0.0 | 5.9 | 3 | 3 | 6 | 4.1 | 4.1 | 8.2 | 0 | 1 | 1 | 0.0 | 2.9 | 2.9
1-Astronomical | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 1 | 2 | 3 | 5.9 | 11.8 | 17.7 | 10 | 2 | 12 | 13.5 | 2.7 | 16.2 | 6 | 6 | 12 | 17.1 | 17.1 | 34.2
2-Aircraft | 2 | 1 | 3 | 13.3 | 6.7 | 20.0 | 5 | 2 | 7 | 29.4 | 11.8 | 41.2 | 15 | 16 | 31 | 20.3 | 21.6 | 41.9 | 6 | 4 | 10 | 17.1 | 11.4 | 28.5
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 | 1 | 1 | 0.0 | 2.9 | 2.9
4-Birds | 0 | 1 | 1 | 0.0 | 6.7 | 6.7 | 0 | 0 | 0 | 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. | 4 | 0 | 4 | 26.7 | 0.0 | 26.7 | 3 | 0 | 3 | 17.6 | 0.0 | 17.6 | 3 | 0 | 3 | 4.1 | 0.0 | 4.1 | 2 | 0 | 2 | 5.7 | 0.0 | 5.7
7-Psychological | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 4 | 2 | 6 | 5.4 | 2.7 | 8.1 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
8-Unknown | 3 | 0 | 3 | 20.0 | 0.0 | 20.0 | 3 | 0 | 3 | 17.6 | 0.0 | 17.6 | 15 | 0 | 15 | 20.3 | 0.0 | 20.3 | 9 | 0 | 9 | 25.7 | 0.0 | 25.7
9-Other | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 1 | 0 | 1 | 1.4 | 0.0 | 1.4 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
Total | 12 | 3 | 15 | 80.0 | 20.0 | 100. | 13 | 4 | 17 | 76.5 | 23.5 | 100. | 51 | 23 | 74 | 68.9 | 31.1 | 100. | 23 | 12 | 35 | 65.7 | 34.3 | 100.

Evaluation | SEPTEMBER | OCTOBER | NOVEMBER | DECEMBER
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 | 2 | 2 | 0.0 | 13.3 | 13.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 2 | 2 | 0.0 | 16.7 | 16.7
1-Astronomical | 1 | 1 | 2 | 6.7 | 6.7 | 13.4 | 5 | 1 | 6 | 41.7 | 8.3 | 50.0 | 2 | 0 | 2 | 50.0 | 0.0 | 50.0 | 3 | 0 | 3 | 25.0 | 0.0 | 25.0
2-Aircraft | 4 | 3 | 7 | 26.7 | 20.0 | 46.7 | 1 | 2 | 3 | 8.3 | 16.7 | 25.0 | 2 | 0 | 2 | 50.0 | 0.0 | 50.0 | 1 | 3 | 4 | 8.3 | 25.0 | 33.3
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 | 1 | 1 | 0.0 | 6.7 | 6.7 | 0 | 1 | 1 | 0.0 | 8.3 | 8.3 | 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 | 1 | 0 | 1 | 8.3 | 0.0 | 8.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0
7-Psychological | 1 | 0 | 1 | 6.7 | 0.0 | 6.7 | 0 | 0 | 0 | 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 | 1 | 0 | 1 | 8.3 | 0.0 | 8.3 | 0 | 0 | 0 | 0.0 | 0.0 | 0.0 | 2 | 0 | 2 | 16.7 | 0.0 | 16.7
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 | 8.3 | 0.0 | 8.3
Total | 8 | 7 | 15 | 53.3 | 46.7 | 100. | 8 | 4 | 12 | 66.7 | 33.3 | 100. | 4 | 0 | 4 | 100.0 | 0.0 | 100. | 7 | 5 | 12 | 58.3 | 41.7 | 100.

175