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

Evaluation
0- Balloon
1-Astronomical
2-Aircraft
3-Light Phenom.
4-Birds
5-Clouds, Dust, etc.
&-tnsuffic .Info.
7-Psycho logical
8-Unknown
9-Ottier
Total
Ctrtain
110
47i-
264
3Z
/?
/t
3ft
I,f9
l/l
2100
All _g
Number
Doubtful
I/O
3*'/
m
24
(0
(3
0
(0
36
9o/
Total
d'7
(,"?•
7,1
16
2lfl>
(41
/«•>
?10>
\#/f
C (•
?*?
(4$
zts
>er Cent
Doubllul
0 0
e7
a 0
( > • '
OP
(7
O.(J
(02
Total
7,0
/ "
O('
/7 O
£'3
2V°
(*•'£
(00.
Number
Certain
cr
<>
/?
/
' • -
//
Doubtful1
-9 .'
o
o
o
s
i'f
Total
~7
2-'
fr}
0
/"
1
?•(
' . *
PerCenl
Certain
-in
-Ml
£• 0
(? -
Doubtful
9S
jj •
/ • /
po
(. O
(•>,"
Total
(a:
?(,
Number
Ctrtain
S3
f
0
&
4
7/
,2.
Doubtfu
f.Z
/
2.
0
O
(V
7
SZ
2
/l€
Number
Doubtful
V
'7
8
0
0
32.
/?*
Total
/4
74
J
ff
z
Si
/to
/
Percent
Certain
1,2
/fi.i.
(3
OO
K.7
07
6~.O
ZOO
Doubtful
2.$
/O.L
S.p
07
0 7
(?o
0O
0-7
a.o
2a0
Total
(£.0
2.0
0-7
0.0
17
/ f
£0
(00.
/95 C-
Number
Certain
2£0
1l>
/Z
2L
LS~
MO
Doubtfu
(44
(10
/7
, j
7
0
&8
Tom
23(
w
4tl
it
u
4$
Total
J&£'
/{9
?1?
'2 /
/.'•S
/ C
b 2
(b
Z2-1-
r2-
/GO
Number
Certain
-
Doubtful Total
PerCent
Certain Doubtful
J
Total
/? £
Evaluation
O-Balloon
1-Astronomical
2-Aircraft
3-Ligfit Pftenom.
4-Birds
5-Clouds, Dust, etc.
S-lnsuffic. Info.
7-Psychological
8-Unknowi
Wither
Total
AIL
2.1
0.9
/o^
/ • $
tt-S
100.
/9
dt£.
Doubtful
O
Z
2.
0
0
•
740
Number
Doubtfu
to
/z
/
0
o
o
o
o
ft
/?-
Total
(4
(14
10
0
3
0
7
f?
HI,
7
Per Cent
Certain^ Doubtful
4 7
76
£J
0.%
JJlJL
/ 3
2-='
6/-i\
73. t
61
-2^.
OO
t-o
fi.O
/?-0
, Total
£ 0
(7.7
, 2
/4O
,2
/•+$
/oo
Evaluation
0- Balloon
1-Astronomial
2-Aircratt
3-LigM Phenom.
4-Birds
5-Clouds. Dust, etc.
6-lnsuffic Info.
7-Psychological
8-Unknomi
9-OthEr
Total
/PS-0
Number
Certain
22,
42.
30
o
_J0_
0
2-i
2,
42
6
770
Doubtful
•/8
0
0
0
0
0
0
£
39
Total
27
to
4/
0
0
0
24,
4.
,/
209
F
Certain
20-(
(43
0-0
fi.(7
(0
i-f
p¥
erCent
Doubtful
£./
5 3
00
00
0.0
•0-0
O0
2,4
(ft
Total
d.f
U7
ff.i-
PO
00
p.0
Z2..4
(0
U>.(
£~.3
((%>•
//s-y
Number
Certain
t(
_2_
0
_£_
/4
/
Ion
Doubtful
3
/Y
/
0
0
/
0
0
f.t
Total
(I
3S
24
3
/
0
/4
Z
f
I3f
Certain
&,•<>
(9.3
/(• 7
• / • f
0.0
00
70.2-
07
277
ff.i
'er Cent
Doubtful
2.2
/O.2
e-n
O7
0 7
0.0
00
01
00
2l)4
Total
26.6
77•>
1.2
07
OO
/0 2
/•¥
777
/?$£
Number
:ertain
/££
21f
ZUL
2L
9
3
/£f
2b
344
S2
7214
Doubtful
7?O
/of
/ /
5
7
0
o
4ft
Total
Zff
qo<i
/I
/O
(f9
n.
a
tin
Per Cent
Certain
JlL
JU_
0.4
to.o
2.0
1L7.
Doubtful
iJ
II5
1.0
0-3
oV
00
0-3
0.0
0.1
t i t
Total
111
Zot
ni
01
n
2o,<?
If
/oo
•
Number
Certain Doubtful Total
Pet C » t
CoUin Doubtlul Total
107