PROJECT BLUE BOOK

PROJECT 10073 RECORD CARD
1. DATE 2 LOCATION 12. CONCLUSIONS
Was Balloon 7
19 August 1956 Donora, Pennsylvania! 000 Probably Bolleon
3. DATE-TIME GROUP 4 TYPE OF OBSERVATION Possibly Balloon
Local Ground-Visual Ground-Rader Was Aircraft
000 Probably Aircraft
GM20/03402 AirVisual Air-intercept Radar Possibly Aireraft
5. 5. PHOTOS SOURCE XWas Astronomicel Mars XWas Astronomicel MarS
Yes Yes 00 0 Probabiy Astronomicel Probabiy Astronomical
No Citilians Citilians 0 Possibly Astronomical Possibly Astronomical
7. 7. LENGTH OF OBSERVATION LENGTH OF OBSERVATION 8. NUMBER JECTS .COURSE COURSE 0 o Other. Other.
000 Insufficient Date Insufficient Date fo for Ev valustion slustion
one hour, 35 minutes clockwise Unknown
one one clockwise
0. BRIEF SUMMARY OF SIGHTING 0. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
One object One object round to naked eye, and round to naked eye, and Mars at 150 dgr azimuth, 45dgr Mars at 150 dgr azimuth, 45dgr
triangular with binoculars. Size was triangular binoculars. Size was elevation. Duration indicates elevation. indicates
compared to North star or a ligtle compared orth star a ligtle astro body with 30 dgr fluctuation astro body gr fluctuation
Smaller tha or yellowish mn azimuth. bability o Mars
white. Object ha being object Position
tail l/l6 siz lidwagon at l90 dgr azimuth at disappear-
one leg. Objec ad down, ance coincides with Mars.
30 dgr left, 10 up and 30 dgr
repeated three
times.
ATIC FORM 329 (REV 26 SEP 52)
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20/03102
…1
Mult 71
Headquarters
541 FIGHTER GROUP (AIR DEFENSE)
United Statas Alr Force
Greater Fittsburgh Alrport
Coreoy ylvania
OSO 4 SEP 1356
SUBJECT: Unidentified Flying Cbjeet Report
TO: Cormandar
Air Defense Command
Ent Air Porce Base
Colorado Sorings, Colorado
The inclosed report 4 forwarded in accordance with Air
Force Regulation 200-2, dated 12 August 1954, and Air Defense
Comsend Regalation 200-7, dated 29 Jamuary 1955, ror your
infor hoa and 5 aetion.
1 Inel Inol JOE K. MCNLAY JOB K. MCLAY
Air Intelligence Information Colonel, USAP Calonel, USAP
Rept - Unidentified Rept- Unidentified Flying Commander i
Object, 30 Aug 56
Copdes Copies Aurnished:
Comdr, 30th Air Div Comdr, 30th Air Div
Condr, ZADF Conde, ZADP
1003446

11.. Assistant gave very accurate
detailed account of his sighting. He indicated Ahis normal reluctance in reporting
his sighting until he had other witnesses who would verify him. There is not much
doubt that what was reported was seen but apparent cause of phenomenon could not be
determined. Radar sites which covered this area, both GCI and Tower ASR, had no
radar contact. The Allegheny Observatory was not operating during this period and
could not verify not verify the sighting the sighting provide any additional iata. The iata. The Donora Police Donora Police
were aaked to investigate investigate aad and verify verify the the sighting. sighting. They visually checked to the east
and northeast from their interpretution from their in rpretution of information received and may have missed
the the sighting which was south. tey Mey ad not know the name or address of address of the person the person
making the sighting. Negative results. making the sighting. Negative results.
12. 12. Negative.
1
IMCLS.
At

a. Oject was initially sighted at 03loz, 20 August 1956. Clouds
obscured the sighting from 03402 to 0355Z Contact was re-established at O355z
unt11 044521 when last sigat made. 2330 ts s7
b. Might.
5. Sighting vas ra, Pennsylvania.
6.
a. Civllians:
(1)
Donora, Pennsylve
2) Mrs - m,seme address.
(3)
Donora, Pennsy.
c. 65 Sundred feet scattered to clear.
d. 15 miles visibility.
3/10 Cloud coverage. /
.
f. Mone in local
8. Jone.
9. Use of Interceptor action not considered aypr no radar contact
BAA ever established with the object.
10. A local C-119 bound queried
vith negative resulta.

d. There
e. x/A
f. Bimeculars shoved the object to be triangular with a tall approxi-
mataly 1/16 the size of object midway on one leg. When fading from sigat,
while watching through binoculars, it appeared round and decreased to the size
of a pinhead to d . It would re verse order.
g. A reddish brow
midvay on one legs.
b. W/A
i. The object moved in a clockwiae rectangular
and disappeared approxinately six6) time whille under obser tion. The move-
ment was usually indicated by slight movement plus the disappearance and then
in a different location. Movement v checxad by tness using
to the
d. Object moved appro 30
right. times.
e. Through binoculars the object would
become round and then fade from sight when about the size of a pinhead. Re-
appe. in
f. The object was under observation for one (1)
when clouds hid it from sight.
. Manner of ation:
The sishting was made visually.