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

Evaluation
0-Balloon
lAstromnrcal
2-Aircraft
3-lifht Phenom.
«-Birds
S-Clouds, Dust, etc
Mnsuflic Info.
7Psyct»k>|ical
S-Unknown
9-Ottier
Total
2fc2^
Certain
J
a
/
0
a
?
J
Si

7
25
a? 0/
-/0/if
Total
2t
2£1
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0.0
11.
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00
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lo .
Number
lertain
/
—£-A
-3-
0
0
5
_
Doubtful
%
7
/o
o
o
o
o
/2
Total
3
l»
(4
i
a
o
S"
0
/j
4g
F
Certain
*\l
/L 7
/U
0.0
o.o
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m
4,i
7/^o
erCent
Doubtlul
4.2
4 x
/U
O.o
e.o
o.o
t.o
fi,o
ZS.o
ToUl
2fZ
?•{
0.0
0.0
2/. 1
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3/-60 «
Number
Certain
j -
0
O
&
0
28
Doubtful
f
4-
0
t
0
0
C3
0
0
t
Total
/
4
0
4
0
0
/Z
a
36
£
7~^f>
Per Cent
Certain
O.O
JLt
0.0
U
O^o1
111
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3S.I
0.0
ILL
Doubtful
IS
///
0 0
j f
a.o
Oi>
0.0
0.0
00
Total
2-8
ff-2
0.0
' //
fti/fr
OS
TsfY
Percent
Certain
4£L
O.O
JL1.
JTi
-£o_
211
O.o
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la A"
r.Z
0.0
0.0
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00
DO
0.0
$/.&
Total
/
1S6
Number
Certain
f
J2-
0
0
_t_
0
33
Doubtful
4
0
/C
0
0
0
0
1
a
0
2/
Total
j -
ira
a
0
l
3
It
0
54
Certain
/ f
3,7
/?/?
0.t
3-7
/4t
0.0
Ut
CS
Percent
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7-4
ff.a
JU
0.0
a.o
0.0
0.0
£1
0.0
0.0
St.1
Total
£$-£.
0.0
0.0
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££_
/0P.
Y *•2^24.
j/ -/o S.
Number
Certarn
0
/JT
0
-2.
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3o
Doubtful
/
7
0
0
0
0
a
0
J_J_
Total
4
1
l
1
0
X
0
f
4/
Certain
4$
S.0-
0.0
2-4
a.o
0.0
22.e
-24.
111.
»er Cent
Doubtful
24
n,f
14
0-0
t.0
CO
0.0
0. 0
0. e
2C.t
Total
*i.7
! • *
21.0
/OO.
Evaluation
0- Balloon
1-Astronomical
2-Aircraft
3-Ligflt Phenoia.
4-Birds
S-Clouds, Dust, etc
S-lnsuffic kilo.
7-Psranki|iol
t-Unknom
J-OUier
Total
Number
Certain
/ /
/
11-
1
1
0
i,
1
Jo
f
Doubtful
-7

0
.-?
2/
Total
n?.r
A
1
0
c
1
2o
4
•n
PerCent
Certain
&1
JdL
L2,
/.l
JL2-
24.1
ML
111
Doubtful
t.4
0.0
/ * , *
/•2
O.o
O.o
0.0
0.0
e.a
•t.c
zr.3
Total
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At
2t7
2?
f&
a.0
Hf

t
O
O
0
rtain
3
0
_J2_
_J_
_ £ _
_ ^ _
_ ^ _
0
££.
Doubtful
3
/
O
-O
6
O
O
O
O
/
Total
/ /
4
2
0
0
I
0
2
7
/
Per Cent
Certain
/o.o
\Ht.o
\lTo
Ml
Oo
(.7
3o.o
0.0
ill
Doubtful
(e 0
3.1
0.0
0.0
0.0
0.0
0.0
a."
0.0
3.3
/C7
Total
&.7
'3J
0-7
0.0
O.£>
3.1
/P-0
6-7
Sao
2.1
/oo.
Number
Certain
/3
1
-_L
0
0
/
/C
7
Doubtful
^?
3
40
/
a
0
0
0
0
//
Total
/<•
4
14
1
1
0
A*
1
/£
7
fo
Percent
Certain
MA
AL-
22J*.
I.I
0.0
0.0
M3.
-LL
LIL
7-1
S1.f
Doubtful
i 3
3.3
4-1
0.0
U
0.0
0.0
0.0
0.0
0.0
IX.X
Total
'7-7
¥4
it./.
/ /
/ • /
<?.a
21. Z
/ - / •
/??
r.f
10*
224