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

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TABLE A220 EVALUATION OF ALL SIGHTINGS FOR ALL YEARS BY
UNITED STATES REGIONAL LOCATION
TOTAL
NORTH EAST
CENTRAL EAST
SOUTH EAST
Number
Per Cent
Number
Per Cent
Number
Per Cent
Number
Per Cent
Evaluation
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
241
163
404
86
5.8
144
9
/
10
17.6
2.0
19.6
52
39
91
8.9
6.7
15.6
/
0
/
3.1
O.D
3.1
1-Astronomical
403
310
713
14.4
11.1
25.5
6
9
15
11.8
17.6
29.4
86
32
118
14.8
5.5
20.3
5
/
6
15.6
3.1
18.7
2-Aircraft
329
256
585
11.8
9.2
21.0
5
6
11
9.8
11.8
21.6
100
65
165
17.2
11.2
28.4
7
4
11
21.9
12.5
34.4
3-Light Phenom.
29
23
52
1.0
0.8
18
/
/
2
2.0
2.0
4.0
4
8
12
0.7
1.4
2.1
/
/
2
31
31
6.2
4-Birds
14
8
20
0.5
0.3
0.8
I
0
0
0.0
0.0
0.0
5
0
5
0.9
0.0
0.9
0
0
0
0.0
0.0
0.0
5-Clouds, Dust, etc.
9
12
21
0.3
0.4
0.7
0
0
0
0.0
0.0
0.0
0
9
9
0.0
1.5
1.5
0
0
0
0.0
0.0
0.0
6-Insuffic. Info.
261
0
261
93
0.0
9.3
3
0
3
5.9
0.0
5.9
44
0
44
7.6
0.0
7.6
2
0
2
6.3
0.0
6.3
7-Psychological
37
9
46
1.3
0.3
1.6
/
0
/
2.0
0.0
2.0
8
3
11
1.4
0.5
19
0
0
0
0.0
0.0
0.0
8-Unknown
582
0
582
20.8
0.0
20.8
9
0
9
17.6
0.0
176
112
0
112
19.2
0.0
19.2
4
0
4
12.5
0.0
12.5
9-Other
88
21
109
3.1
0.8
3.9
0
0
0
0.0
D.O
0.0
13
2
15
2.2
0.3
2.5
6
0
6
18.8
0,0
18.8
Total
1993
802
2795
71.3
28.7
100.
34
17
51
66.7
33.3
100
424
158
582
72.9
27.
100.
26
6
32
81.3
18.8
100.
NORTH MIDWEST
CENTRAL MIDWEST
SOUTH MIDWEST
Number
Per Cent
Number
Per Cent
Number
Per Cent
Evaluation
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
0-Balloon
3
10
13
3.8
12.7
16.5
39
35
74
8.1
73
15.4
33
36
69
5.2
5.7
10.9
1-Astronomical
13
6
19
16.5
7.6
24.1
96
36
132
20.0
75
27.5
81
105
186
12.9
16.7
2:6
2-Aircraft
5
4
9
63
5.1
11.4
45
41
86
9.4
85
179
76
59
135
12.1
9.4
21.5
3-Light Phenom.
0
2
2
0.0
2.5
25
11
8
19
2.3
1.7
4.0
5
/
6
0.8
0.2
1.0
4-Birds
/
0
/
1.3
0.0
1.3
3
2
5
06
0.4
1.0
4
3
7
0.6
0.5
1.1
5-Clouds, Dust, etc.
0
0
I
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
62
0
62
12.9
0.0
12.9
56
0
56
8.9
0.0
8.9
7-Psychological
/
0
/
1.3
0.0
1.3
12
0
12
2.5
0.0
2.5
3
3
6
0.5
0.5
1.0
8-Unknown
22
0
22
27.8
0.0
27.8
74
0
74
15.4
0.0
15.4
151
0
151
24.0
0.0
24.0
9-Other
2
0
2
2.5
0.0
25
15
2
17
3.1
0.4
3.5
8
5
13
1.3
0.8
2.1
Total
57
22
79
72.2
27.8
100.
357
124
481
742
25.8
100
417
212
629
66.3
33.7
100.
NORTH WEST
CENTRAL WEST
SOUTH WEST
Number
Per Cent
Number
Per Cent
Number
Per Cent
Evaluation
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
0-Balloon
4
2
6
8.2
4.1
12.3
5
/
6
58
1.2
7.0
38
10
48
98
2.6
12.4
1-Astronomical
10
/
11
20.4
2.0
22.4
29
11
40
337
12.8
46.5
44
82
126
11.4
21.2
326
2-Aircraft
5
/
6
10.2
2.0
12.2
3
4
7
3.5
47
81
26
32
58
6.7
8.3
15.0
3-Light Phenom.
0
0
0
0.0
0.0
0.0
/
0
/
1.2
0.0
1.2
2
2
4
0.5
0.5
1.0
4-Birds
/
0
/
2.0
0.0
20
0
/
/
0.0
1.2
1.2
0
2
2
0.0
0.5
0.5
5-Clouds, Dust, etc.
3
0
3
6.1
0.0
6.1
0
0
0
0.0
0.0
0.0
5
2
1
1.3
0.5
1.8
6-Insuffic. info.
3
0
3
6.1
0.0
bil
5
0
5
5.8
0.0
5.8
27
0
27
7.0
0.0
7.0
7-Psychological
2
0
2
4.1
D.O
4.1
6
0
6
90
0.0
7.0
0
0
0
0.0
0.0
0.0
8-Unknown
4
0
4
8.2
0.0
8.2
17
0
17
19.8
0.0
19.8
104
D
104
26.9
0.0
26.9
9-Other
13
0
13
26.5
0.0
26.5
3
0
3
3.5
0.0
3.5
4
6
10
1.0
1.6
2.6
Total
45
4
49
91.8
8.2
100.
69
17
86
80.2
19.8
100,
250
136
386
64.8
35.2.
100.
NORTH FARWEST
CENTRAL FARWEST
SOUTH FARWEST
Number
Per Cent
Number
Per Cent
Number
Per Cent
Evaluation
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
Certain
Doubtful
Total
0-Balloon
15
3
18
13.3
2.7
160
20
14
34
120
8.4
20.4
22
12
34
15.6
8.5
24.1
1-Astronomical
//
10
21
9.7
8.8
18.5
16
6
22
96
3.6
13.2
6
11
17
4.3
7.8
12.1
2-Aircraft
13
11
24
11.5
9.7
21.2
26
23
49
15.7
13.9
29.6
18
6
24
12.8
4.3
171
3-Light Phenom.
0
0
0
0.0
0.0
0.0
/
0
/
0.6
0.0
0.6
3
0
3
2.1
0.0
2.1
4-Birds
0
0
0
00
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
/
0.9
0.0
0.9
0
/
/
0.0
0.6
0.6
0
0
0
0.0
0.0
D.O
6-Insuffic. Info.
13
0
13
11.5
00
11.5
24
0
24
145
0.0
14.5
12
0
12
8.5
0.0
8.5
7-Psychological
0
0
0
0.0
0.0
0.0
/
2
3
0,6
1.2
1.8
3
/
4
2.1
0.7
2.8
8-Unknown
23
0
23
20.4
0.0
20.4
28
0
28
16.7
0.0
16.7
34
0
34
24.1
0.0
24.1
9-Other
13
0
13
11.5
0.0
11.5
2
2
4
1.2
1.2
2.4
9
4
13
6.4
2.8
9.2
Total
89
24
113
78.8
21.2
100.
118
48
166
71.1
28.9
100
107
34
141
75.9
24
100.
245