DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE

PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE9613356
DATE OF SIGHTINGMay 1952
REPORTED LOCATIONImperial California
FRAMES1

Machine transcription · mean legibility 75.4/100 · engines: tesseract-200dpi

Transcribed Frames

FRAME 001 / 001tesseract-200dpi
PROJECT 10073 RECORD CARD

1, DATE ( % LOCATION, 12. CONCLUSIONS |
1 13 May 52 Imperial, California : Wos Bolloon
ene nr tater Probably Balloon

3. DATE-TIME GROUP |

OY ee oe, TXGround- Vi sual

4. TYPE OF OBSERVATION

-——— o—_

Possibly Lalloon

Was Aircroft

© Ground-Radar Probably Aircraft

gos coc

GMT__. D Air Visual 0 Air-Intercept Rodor Possibly Aircroft
5. PHOTOS » SOURCE ‘ O Was Astronomical
C Ves lo Probably Astronomical
tKNe “Two deputy sheriffs 0D Possibly Astronomicol
7. LENGTH OF OBSERVATION [8 NUMBER OF OBJECTS | 9 COURSE |0 Other ain
nsufficient Date tor Evaivation
five 5 = ie ff Bate for Evaluati
nown

10, BRIEF SUMMARY OF SIGHTING

Soft white to yellow color.
Jicht circle,

Possibly saw 4 jets picking up formation

and . orbitting except for absences of
sound.

"Light" shape.

ATIC FORM 329 (REV 26 SEP 52) |

11. COMMENTS

These o

Three objects were first noticed going
north when two objects joined them. All
five orbitted, going fast, then three
disappeared suddenly and mum headed
south. No sound.

Four F-9-F ( were oirborne from 11024

to 1230Z on local flight (0300 PST to
0430 PST)
~y

PROJECT 10073 RECORD CARD

ee Oo ee

a me ee

‘i. DATE ( 2 LOCATION 12. CONCLUSIONS ;
| | 0 Wos Balloon
13 May 1952 Yuma Sricense 0 Probably Balloon
% DATE-TIME GROUP he SY PE OF OBSERVATION i Possibly Gelleen
O Was Aircroft
Locel __...0350 . - Pst - BM Ground-Vi sul D Ground-Redor | Q Probobl 5
cutT_.____.1150 2. os ' D Air-Vi sual D Air-Intercept Rodar O Possibly Aircraft
“$3. PHOTOS il rr SOURCE 0D Was Astronomical
0 Probably Astronomical
aoe oS P ibly A icol
= 9 Ss ~~ Tower operator AF S/Set y ossibly Astronomice
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE IX Other_ Cars _on highway
o atten Data for Evaluation
1 Hovered weaneome

——

10. BRIEF SUMMARY OF SIGHTING

Source has seen report of sighting--thinks
it is cars on highway

Color:
Shape:

Orange & Blue
Light

ATIC FORM 329 (REV 26 SEP 52)

——

11. COMMENTS

First scen on-bearing of 320° then
changed and hovered at different spot,

a