PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969

CASE REFERENCE6966617

DATE OF SIGHTINGDecember 1957

REPORTED LOCATIONRiverside California

FRAMES5

→ Original microfilm scan (PDF) → Return to index

Machine transcription · mean legibility 72.0/100 · engines: tesseract-200dpi

Transcribed Frames

FRAME 001 / 005tesseract-200dpi

Deemer»

. > Tet V1 ee

l. DATE en’ er: C. Oy

YW" Sere r-

UFCOB INDEX CARD

2. LOCATION

wy i ~~

112, CONCLUSIONS

~10Sar53 ] O Was Balloon
Riverside, California Q Probably Balloon
. DATE-TIME GROUP 4. TYPE OF OBSERVATION # Possibly Balloon
E 0 Was Aircroft
02/22022, Dec 57 g Ground: Vi sual © Ground-Roder Q Probobly Aircrof}
O Air Visuel OD Air-Intercept Rador O Possibly Aircroft
5. PHOTOS 6. SOURCE O Was Astronomical
O Yes O Probably Astronomical
XXNo Civils O Possibly Astronomical
7. LENGTH OF OBSERVATION “Fr ~ 18. NUMBER OF OBJECTS | 9. COURSE O Other
0 Insufficient Lata for Evaluation
Four minutes Two Stationary G Bnew

oe a —

— — —

10. BRIEF SUMMARY OF SIGHTING

Two white bbjects the size of a pea.
Objects were stationary and were in sight

for 4, minutes.

11. COMMENTS

Concur with Reporting Officer that
this was possibly a balloon.-

AISOP Form 5 (15 Oct 54)

oF 0e ERE HOP eTE. Ome

4

FRAME 002 / 005tesseract-200dpi

1. DATE

2 December 1957
3. DATE-TIME GROUP

Lecel

out_02/2208Z
Ss. PHOTOS

O Yes
10Ne
7. LENGTH OF OBSERVATION

4 minutes
10, BRIEF SUMMARY OF SIGHTING

Two pea-sized objects, white, one above

PROJECT 10073 RECORD CARD

2. LOCATION

Riverside, Ca

12. CONCLUSIONS

Was Balloon

lifornia Probably Bolloon

4. TYPE OF OBSERVATION

1X Greun d- Vi sual
© Air Visual

Civilian
6. NUMBER OF OBJECTS

two

the other, directly overhead, station-

ary,

ATIC FORM 329 (REV 26 BEP $2)

igh ba ina re le dp

Possibly Balloon

Wos Aircraft
Probably Aircroft
Possibly Aircraft

© Ground-Redar

© Air-intercept Rador

Was Astronomical
Probobly Astronomi cel
Possibly Astronomicoel

Other

Beat i auliv ela Date for Evaluction
nown

o ono ooo oad

9. COURSE

stationar
11. COMMENTS

The description is of a weather
balloon, but without wind direc-
tion cannot properly evaluate,

FRAME 003 / 005tesseract-200dpi

SQHO26S9G158 YDC1i@3 XYD167 XDD@souBAgS6 eta a yl”
PP RJEDDN RJEDSQ RJEPHQ

DE RJWPJB 36 ee .

“P 9416352," ce a

FM COMDR.754 ACWRON MT LAGUNA CALIF -~
TO RJEDDN/COMDR ADC
RJEDSQ/COMDR AIR TECH INTELL CENTER ae

RJEPHQ/CIR OF INTELL Wa USAF LEY

RJWPJB/COMDR 27TH ADIV

: fd Ehe

UNCLAS 754ST 1956-K PD WY

te As NONE ppw=—-sY27°

E. ONE ABOVE THE OTHER PD . |
F, NONE PD

G. NONE PD
H. NONE PD
I. NONE PD

—_ ea : ~ “ ni lia Sm ie —t ee ee a> het: bod) ai eile lb

FRAME 004 / 005tesseract-200dpi

PAGE TWO RJWPJB 3G
2. Ae LOOKING IN SKY PD
pA

Se

4e

De
Ge
Te

ag

99 DEGREES ELEVATION (DIRECTLY OVERHEAD) PD

NONE PD

D TATIONARY SD .

E STILL VISIBLE PD

CLT D

A.
Be
6,
Ae

GROUND-VISUAL PD
NONE PD
N/A PD

22482 ON 2 DEC 557 PD 22097 —¥ = /YOY Bea

A. & MILES WEST OF RIVERSIDE IN GLENHAVEN PD

A. CIVILIAN CMM ) , <llimmnteaggeamnaae GOOD PD
A. CLEAR PD

Be UNKNOWN A Vo wind s

Ce UNKNOWN PD

De UNKNOWN PD 6 (yh /

E. SCATTERED P

Fe NONE PD Loe ft : J x

NONE PD “ jean

FRAME 005 / 005tesseract-200dpi

PAGE THREE RJWPJB 36
9. NONE PD

1f¢ FEW AIRPLANES) PD

11. 1/LT. JOHN L. OBOURN cM

12. NONE PD
BT
94/1809Z DEC RJWPJB

P@SSIBLE BALLOO

"