PROJECT BLUE BOOK

PROJECT 10073 RECORD CARD

2. LOCATION

12. CONCLUSIONS
* Wos Balloon

1. DATE

_8 Jun 58 N of Philadelphia, Pa. Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION e Fesamy Sareen
7 10 Was Aireroft

(4 > > BF Ground- Vi sual O Ground-Rador | Gl Probably Airereft

omt.O8/1655Z D Air Visual D Air-Intercept Redor | 7 Possibly Aircraft

S. PHOTOS + SOURCE DO Wes Astronomical
O Yes O Probably ans
Civilian '@) Possibly Astronomica

%* Other

7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE ae a
Insufficient Data for Evaluation

0
O Unknown

S then W
11. COMMENTS

15 mins
10, BRIEF SUMMARY OF SIGHTING

Flat, triangular obj w/corners Description & flight characteristfi:
|vnded, size of shirt button, black, conform to observation of balloo
The obj climbed steadily in a straight} release.

jJcourse for approx 5 mins where it
hovered momentarily, then descended,
traveled West & upward & disappeared,

one

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; YW OSTA fie ) A
eilen DEPARTMENT OF THE AIR FORCE Srl <4
ore / { ‘] 4.2 “BRRADQUARTERS UNITED. STATES AIR FORCE /
WASHINGTON

THE INSPECTOR GENERAL USAF
SRD DISTRICT OFFICE OF SPECIAL INVESTIGATIONS
1612 S. CAMERON STREET, HARRISBURG, PA.
MAILING ADDRESS: POST OFFICE BOX 709.

3D0 24-205 | 12 JUN 1958
SU3JECT: Unidentified Fl Object Sighted

by Philadelphia, Pa.

at 0&8 une 1958

TO: Commander
Air Technical Intelligence Center

Wright-Patterson Air Force S3ase
Ohio

l. Reference is made to Air Force Regulation 200-2, dated 5 Feb-
ruary 1958,

2. In accordance with Paragraph 15, AFR 200-2, the following is
furnished for your information and any actioa you may deem appropriate:

a. Description of the Object: Ty pre al “oF Fe-le Serres sy pe
| if OF AC.
(1) Shape - Flat, triaagular, with corners rounded.

(4)
(5)
(6)
@
(8)
(9)

(2) Size - rage Size shirt button held at arms length.
‘) Color - pack AVY Planes hocr blickh
ne (1

Number - )

Formation - wot Applicable

Discernible features or details - iione
Tail, trail, or exhaust - None

Sound - None

Other pertinent or unusual features - None

—

Hq pa File =e 24-205, Subj: Unidentified Flying Object Sighted
by at Philadelphia, Pa., at 0816552 June 1956

b. Description of Course of Object:

(1) What first called the attention of observer to the object -

lated that he just happened to look to the hor-

east of his home and saw instant object.

(2) Angle or elevation and azimuth of the object when first

sighted - Approximatel (30H above the horizon. £75 7

(3) Angle or elevation and azimuth of object upon disap-
pearance (450) above the horizon. |

4) Description of flight path and maneuvers of object - “hen
sighted, the object was approximately @0° above the horizon.
The object y eaateataietr a steadily in a straight course

2 until it was approximately ©0% above the horizon, at which
inte” Doint it _hov ; , then descended to approxi-

——

Aueliowmartelyt The ascent was made in approximately Yive’ (5)
minutes and the descent in approximately threeC(3)) minutes.

(5) How did the object disappear - The object moved in a
Af thxaight course in a southerly direction for about three
(3) minutes, then traveled west and upward until it weat

out of sight.
Hi g the object visible - Approximately fifteeu

(15) minu

Manner of Observation:

 Neiechedrr (1) Ground-visual.

(2) Wo optical aids were used.
Time and date of Sighting:

whe phetin tte (1) Between 081655Z and 0817102 June 1958, / 6 7927 = M/a°5~
(2) Day. |

lertyed
oO e. Location of Observer: Approximately 40° 16" worth and 75° O07"

West.

lin ete
f, Identifying Information on Observer:

(1) Civilian -
Address ,

Philadelphia 20, Penasylvania
Employed by the Philco Corporation as a Technical Il-
lustrator.

| le 300 24-205, Subj: Unidentified Flying Object Sighted by
at Philadelphia, Pa., at 9816552 June 1958

Pa

g. Weather and Winds-Aloft Coaditious at Time aad Place of

Sighting:
(1) Observer*s account of weather conditious - ilostly clear.

at the time of the sighting and visibility was good. /j\
(2) Report from nearest AWS or U.S. Weather 2ureau ‘%fLice

of wind direction and velocity -

uw
On the surface $000 at JS knots |
5,000° 230° sw at 27 kuots /
No other readings were made at this time. se
(3) Ceiling -_6,000', Woo <3: TAN
(4) Visibility - 12 miles. , ia
(5) Cloud Cover - sky covered, ~<

(6) There were no thuuder storms or unusual activity or con-
ditions that would account for the sightiug.

a tecr furnished on 9 June 1958, by Mis sa.

ieteorological Aide, who advised instant observa-
n de 081500Z, June 1958.)

3. No additional investigation of this matter is contemplated 4y this
District Office unless otherwise requested.
iA ‘7 Zoec

Be and in the Absence Of

BERNARD J. DUFFY
Lt Colonel, USAF
District Commander

cc; Dir OSI (dup)
Comdr, McGuire AF3, w.J.

3

| AFR 10-16)

(