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

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Evaluation
0. Balloon
1 I-Astronomical
2-Aircralt -
3-LigM Pfienom.
4-Birds
5-Clouds, Oust. etc.
6-lnsuftic Into.
7-Psycf»l0|ical
t-Unknoon
9-Othei
Total
-easy
, Number
Certain
4-
0
0
a
j -
0
/
0
21
Doubtful
/
c
o
a
a
0
o
0
0
I
Total
/
17
,-rp
V
p
j -
/
'Jit
Certain
0.0
ni
A-tf
0,0
0.0
A1J
*?
3-4
O.o
>er Cent
Doubtful
3.4
3.4
o.o
O.o
t.O
oo
e.o
to
17 A.
Total
3*+
fi.O
P.O
to
A7.JL
P.O
SI-
pc
too.
Certain
/
X
0
/>
1
a
3.
0
//
£•/£> i
Number
Doubtful
/
/
/
•0
£>
0
o
G. 0rtain
O
.A.
r
&
0
o
•7
0
4.
A2.
Doubtful
/
4-
&
o
/
o
0
j "
AA
Total
/
1
/
7
O
7
s4
/SJ-JL.
Z6T /
ft
/X.O
ff.a
0.0
t.O
o.o
Uo
Oo
Doubtful
I t
to
O.o
O,o
0-0
0.0
6.0
O.Q
4.0
ffo
Total
HO
iD.fi
tf,0
M
i-P
a,A>
SIP
AAJ
/OO.
Evaluation
O-Balloon
l-Astronornical
2-Aircraft
3-Ligfit Pfienom.
«-Bnds
5-Clouds, Dust, etc
S-lnsuffrc Info.
7-Psycholo|ical
8-UnknoMi
9-Other
Total
£>/ f/feess&s - 5" Sf'/s*m
Number
Certain
/2
LV
±_A.
£>
J~
0
4-
S3
Doubtfu
T r
/
7/
o
a
a
o
o
a
i4
Total
/7
/
16
3
I?
0
rD
4
in
Per Cent
Certain
w
0.0
/!.+3.0
Ou>
4,0
?>•'
a.o
J/.3
Jio_
%L
Doublfu
/•r
/o.4_
t-s
O.0
0,9
*,o
O.o
0.0
t.O
Pt-1
Total
AS
Z-3,1
4-.S
04
7,$
%3
&
6-3o M/wrif-r
Number
Certain
1
/a
a
/
/ * •
/o
Doubtful
/ a
X
^)
/
o
o
o
o
Zo
Total
/ 7
/
/
/
/P
7
Pet Cent
Certain
I0.S
i'.i
(A±
S.O
0.0
H.
HI
M
12.2
SA.
Ill
Doubtful
o.o
9,0
tr?
.
Number
Certain
/ J
At
/7
A
A.
0
Si
J
JJ
/7
Doubtfu
/s.
/ /
3
1
o
o
1
o
o
41
Total
# / •
3S~
,7
P
S3
f-
33
/7
#io
Per Cent
Certain
c.%
S.I
/.o
O.0
ZL2,
/.4
/jr.1
S.I
Doubtful
3.$
n/•o
fit
0,o
O.O

/>?
/ST7
PA
Evaluation
O-Balloon
1-Astronomical
2-Aircraft
3-Li(ht Phenorn.
4-Birds
5-Clouds, Dust, e t c
E-tnsuffic. Info.
7-Psycholo|ical
S-Unknown
W t h e r
Total
1ASLL
Number
Certain
JJL
2.
6
0
0
4-
/
3
Doubtful
0
f
L
&
/
o
0
a
o
1
/i
Total
. 0
12.
f
0
/
P
/yt-
A
//.
S 0 A
£t/Ai C///9T
fit
Per Cent
Certain
0.0
31./
4.4-
e.o
fi.O
0,0
1±
///
L.7
£44
Doubtfu
t.O
/7fi
/j.i
t.O
e.o
0.0
0 0
f) a
I*
3J:C
Tobl
AD
AZJ
00
£2.
AD
// A
/Oi>.
Certain
0
3
0
0
fi
J
f
/4
•/0A/
Number
Doubtful
a
0 j
/
O
a
a
a
a
o
a
I
/M
 ,\
Total
/ >
7
0
0
P>
0
0
3
/
/£
ur
• M/
/ti
-fit'
If
a
Certain
//A
///
o/&;
'erCent
Doubtful
A/A
A/i
//./
0,0
o.o
o.t
0 o
0,0
fi.O
JZ.3
1£0
rs
Total
/ / 7
p.c
F6
P.0
£6
23O.
P.0
AOO.
Evaluation
0- Balloon
l-Astronomical
2-Aircraft
3-LigM Plienon.
4-Birds
5-Clouds, Dust, e t c
e-lnsuflic Info.
7-Piycholojiol
t-mikmim
J-Ofte.
Total
Number
Certain
a
4-
A.
a
0
•r
/A
J
31
Doubtful
J "
£
r f
O
O
O
0
A
o
0
IS
Total
f
Ii2-
•2-
0
r
A3
3
Per Cent
Certain
LL
0.0
ix
4./
0.O
£e
/ex
1.6
Lf
ai
Doubtful
/ ' . *
if
/u00
to
0 0
/)O
4.1
O.t
O.o
Si.7
Total
£A
tl
P.D
P.0
/fix
6.1
&
/ A
0
Doubtful
1
o
a
O
0
o
o
A
7
Total
3
6
p
A
0
A2-
JL
Per Cent
Certain
AC. 7
r.c
f.l
O.O
0.0
M.
O.o
i l l
e.o
Soc
Doubtful
f.C
J.i
f.t
O.O
O.O
O.o
e.o
e.o
0,9
m
Total
2%3
JA.2-
/i-7
0,0
p.p
£?
0.P
ft3
/oo.
Ji/*:fi Jo Af,/fures
Number
:ertain
J
3
0
/
o
0
0
0
/
/
_£
DoubtfuM
O
4
1
o
a
0
0
A
6
0
C
Total
3
7
1
1
0
0
0
1
A
1
AS
Per Cent
Certain
&.0
to.o
A>.o
U-O.o
0.0
0.0
o.o
6.7
t.0.6
Doubtful
2L7
C7
0.O
0.0
O.o
_0^
6-7
O.o
4o.o
Total
tA>.0
/A67
67
6.7
0.0
00
0P
47
6.7
t>-7
Ato.
Number
Certain
s
1
o
7
//
/
4o
Doubtful
/
c
s~
0
o
o
•0
0
4
AL
Total
Af
/w*/ ?
p
p
7
/A
Per Cent
Certain
<&.
U3
A4.Z
o.e
o.o
A2.JT
/<? (•
/.t-
7AA.
Doubtful
/ . /
lo 7
11
o.o
O.O
o.o
Q,o
O.O
0 0
71
Xt.L
Total
13. Z
l-t
p.P
to
A2S
A.?
AU
t?
AOO.
225
.