DECLASSIFIEDUSAF PROJECT BLUE BOOK · NARA T-1206
UNITED STATES AIR FORCE
PROJECT BLUE BOOK
UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE7011649
DATE OF SIGHTINGOctober 1951
REPORTED LOCATIONBuena Vista Colorado
FRAMES4
Machine transcription · mean legibility 68.2/100 ·
engines: tesseract-200dpi
Transcribed Frames
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PROJECT 10073 RECORD CARD
2. LOCATION |
28 Oct 195) Buena Vista, Colorado
—
4, DATE-TIME GROUP 4. TYPE OF OBSERVATION
| 12. CONCLUSIONS
Wos Bolloon
Probebly Bolloon
Possibly Balioon
mi i appeared in a descendines ctrve.
ngle it was descending at
sttes
'e3)
Rstdone bec
approximately 30 deg.
r passage of the object there appeared to
a tail or incandescent glow in the #4 forma
of a tail. It changed color te sort of white
color,
_—-
ATiC FORM 329 (REV 26 SUP $2)
0
Oo
0
- : i 10 Wos Aiicroft
Local oe ; — - 0 Ground- Vi sual D Ground-Redar Q Probobly Aircroft
GMT__ ec {0301 Nes aioe = 0 Air Visuol D0 Air-Intercep? Rador oF ossibly Aircroft
5. PHOTOS 6. SOURCE o Was Astronomicel Meteor
O Yes D Probably Astronomicol
CNo Pilot 0 Possibly Astronomical
7. LENGTH OF OBSERVATION 6. NUMBER OF OBJECTS | 9. COURSE as E Other :
O Insufficient Dato for Evaluation
30 Seconds 1 I to ony \° Unknown
19. BRIEF SUMMA IARY OF SIGHT NG : Ti. COMMENTS
Bo or wis Grecnisn~—Slue light. Speed not estimtled, Evaluated as a meteor
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. . (SMCRASSIFIED
AF FORM 1i2—PART I ( es ae, i
APPROVED 1 JUNE 1948 Tt AMEN
ar a if (LEAVE BLANK)
~ tnkted States Chic Sait 7
AIR INTELLIGENCE INFORMATION REPORT
‘susJect aa a ’
Sighting of Unidentified Object CN. CB Pol
ADE REPORTED ON a? = hie (Agena) ig Air Defense Cound, ant FB,
_Solorado 2 wae Te i - Colorado Sorings, C ale lo pt
DATE OF REPORT DATE OF INFORMATION EVALUATION
© 1) Nov 1951 | LO Nov 1
PREPARED BY (Officer) ae» MAO, Uo.
Te Fredenburgh, Major, USAF 21934 Air weather Grp, Peterson Fld, Colo
REFERENCES (Control number, directive, prerious report, etc., aa applicable) a S
————
<a
SUMMARY: (Enter concise suramary of report, Gire stynificance in final one-sentence paragraph. Liat inclosures at lower left. Beyin text of report on AF Form 12 ~Part 1. )
A ve snish=-blue brilliant light with an incandescent g¢low in the form of a tail
las sthswrs aut 15-20 seconds, traveling North to SOUL ves § in a descending murve at a
angle of ena 30° was seen on/or about 2000 - 2030 hovrs, 28 October 1951, approxi-
fia bely seven (7) miles from buena Vista, Colorado,
The observer is a rated pilot of the weather Squadron indicated abovee
His recital was simple, direct and complete as to detail-,,
_ a
rf ; — ’
aed : ~%-* — Lett te Ot . a - vAe
Te FRUDENBURGH i
Major, USAY
Intelligence, ADC
;
ncLs.
‘ a nf mw «
DOWNGRADED AT 3 YRAR INT ERVALS:
DECLASSIFIL ED ha
AFTER 12 YE 2S
DOD DIR 5200.10 ae.
DISTRIAUTION BY OMIGINATOR
NOTE THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT, SOU. S.C.
3) AND (2. AS AMENDED. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAW.
IT MAY NOT SE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES, EXCEPT BY PERMISSION OF THE DIRECTOR OF
NYC
INTELLIGENCE, USAF, a neaerne k + Set osehiheteent eS
.
—-
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PASS) Imieo 16-—BAS00-1 tr U.S. GOVERNMENT PRINTING OFFICE 1950 O-—-o rasan
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UNCCASSIEIND
AF FORM 112—PAKT I | VS early NCTASSIFIED
APPROVED 1 JUNE 1948 ar CURLTY TikGn ‘ay TON JNCLASSIF! a
wos
AJR INTELLIGENCE INFORMATION REPORT
FROM (tgerey) PLAPOHT NO
ry 7. * ¥ a) . 2 .
a 08 | fi: Uy Vv if AL Dy Colo worins , yy
0 _PAGs Ll OF A PAGES
On/or at “Sp Locate fi 2030 hours, 20 October 1951, I was at the base of a ntatia
sooroximately seven Ee miles South from buena Vista, Colorado, on a hunting trip and
was sitting in ac facing N weste J was startled by the : G2 O very
, *
rilliant light, pe was greenish-bluee This object aporoached fro ist
poing horth to Southwest and in a descending curvee I would esti U la 4
das descending at at aoproximately 30°,
tie object stayed within my sight approximately 30 s = the brilhi Li;
‘ iat LSe I wD ih int t ‘ tiem pt to Sti vie wie ea ede AL AA af ei! Ji} ;
- » a ‘
there appeared to be a bail or ineandescent glow in the form of ile It was just :
low aiter the light was descending. It lit up the country side, | s wlow wt Sust
an incandescence in the sky. This glow lasted about 15-20 secon 1 4 ang ‘Lor
' id seomed to change toward a white ~- the green bleached 9 into so a ite color
ry o = = ; Japtitan - on mute >, Awasrr Sanam , 4. .strn- . an \ 2 “ a. , ? —
a 7 ae “? ee 2 ape ss : a a4 | at sag Sek 3 Rahs —s 6 in OO5 ac Pee at vo LS |
LUnat tne speed at which it was foiling caused it to glow hd DAP ULCL i® on) 20) ’
changed color as the tempereture of the particles chanzed.
aith a visit to the spot I conld, I believe, very accurately determine the di-
j
rection the light was travelinge The directions I gave previously wore an estima!
as the roads were only tracks along the mountains and we wove in 1] around, 1 I am
not positive of the exact direction I was facing when I saw the object.
DOW») GRA) it AT 8 yy
. : ‘ ay ae ¥ ’?
- DE + CLAS y a4” 8d [) A 0 hep j” iF” ~{ . 4
DAI Mis O2D04AR.
NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT, SOULS
3) AND 32, AS AMENDED. ITS TRANSMISSION OR THE HEVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON 15 PROHIGITED BY LAW,
IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES, EXCEPT BY PERMISSION OF THE DIRECTOR OF
INTELLIGENCE, USAF. '
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Ecatep eta 16—S8570-1 fe U.S. GOVERNMENT PRINTING OFFICE . 1950-0 910599
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EXTRACT FIOM STATUS REPORT # 2
iar “<>
ATE: 2&6 Oct 5l
TIME (Local): 2000 - 2030
LOCATION: Luenn Vista, Col.
LENGTH OF TLHE OBSERVED: 15-20 Secowis, -
SOUND: Nore )
~SPstD: Unknown
ALTITUDE: Unknown
HEADING: “] to SW
SOURCE: AF iinjor
ACTION OR COMMENTS: Example of green fire:
DESCRIPTION OF INCIDENT: Gr enish=blue brillian