PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969

CASE REFERENCE6961742

DATE OF SIGHTINGJuly 1957

REPORTED LOCATIONLas Vegas Nevada

FRAMES8

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Transcribed Frames

FRAME 001 / 008tesseract-200dpi

PROJECT 10073 RECORD CARD

1. DATE 2. LOCATION 12. CONCLUSIONS
QO Was Bolloon
Lo July 1957 Las VYVezas, Nevada O Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION O Possity Galleon |
a 7 O Wos Aircrof?
Local =n D Ground-Vi suol ©: Ground-Rodar QO Probobly Aircroft
OMT 3 0/ 2056Z D Air Vi suo OD Air-intercept Radar GO Possibly Aireraft |
5. PHOTOS é. SOURCE O Wes Astronomical
O Yes QO Probably Astronomical
‘O.Ne Military Rada la Possibly Astronomical
7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS | 9. COURSE [XOrher_Liec Interfernce
0 insufficient Dote for Evaluation
| : wa : O Unknown
two minutes, i2 sek one inbound
10, SRIEF SUMMARY OF SIGHTING 1. COMMENTS
| One object seen on ground radar. Obj ATIC form 532 was sent to reporting
' came inbound at a speed of 5400 knots | s¢ juacron and was returned with
|} and abruptly stopped and then remained the Opinion that this sighting
| stationary. Object was seen for two was cased by electric interferen
ninutes., twelve seconds. caused by a temperature LnVersiON.}

ATIC FORM 329 (REV 26 SEP 32)

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SECURITY CLASSIFICATION (Li any)

DISPOSITION FORM

FALE NO. SUBJECT Cae ol |
Radar UFO Keport
\TO —_ AFCTN-YEI FROM AFCINLE DATE 1 Aug S7COMMENT NO. 1

| AFCIN-WEL/Capt, 6-1 Gregory/vp
69216 of Eman

le In accordance with established ATIC policies for the study and
| appraisal of UFO radar sightings, request your review and analysis of the
incident in attached teletype report, by comment hereone

2. To possibly assist you in this matter, the following pertinent
items are made a matter of note:

: ‘ae Video was turned off for one complete sweep -—— but
: object remained on the scopee

j *-be Area in which object disappeared (195 miles, 66 decrees

2 from radar) is in the Bryce Canyon Area, Utah. This
area has a DME and a CAA statione The electronics
equipment of the latter is unknown. (See U.S. Aero
Chart Noe 362).

Ce The line=plot from the radar station to the first
"turn-off point" (60 degrees) and the point of
disappearance (66 degrees) generally parallels a traffic

S omnes "at rway” (No. V-8), used by both civil and military air-

. craft. This office is not qualified to comment whether
i certain aircraft electronics equipment, such as ECM

. . devices, could have some bearing on the matter.

, d@, A check with weather units in the area indicate that

| | there was a conditionally unstable low-pressure frontal

area, with broken cumulus activity up to 12,000 feet.

1 Incl EEA. NTLSY 5 ;

Teletype

Chief, Air Sciences Division

F
JD } Pan a0 S96 REPLACES NME FORM 96, 1 OCT. 48, WHICH MAY BE USED 16—-64401-3 Tl U.S. GOVERNMENT PRINTING OFFICE: 1955 O-253000

FRAME 008 / 008POOR LEGIBILITY — PENDING RE-EXAMINATION

i. s} vae . a
ELLA / ;

SUBJECT: Radar UFO Revort

—— . Tow Tae } =} Saat Tank | - “+ fer, yor a —_ ce . “-
O: Px ey Cin oot = OM Pr AFCINe S31 LAA LI 3 i) > Z/ f a con fSifl iR
oe oe " : . = (Te eo [>See % : y ae 5
ATTN: Capt. Gregory APCHi-4E1e/Mr. ¥. D. Bryant/

721 31,/3263-D/ Ra 8

Le A check of personnel familiar with the AN/FPS-3A4 radar indi
it is possible to turn off the radar video and continue to display iF

2. The extreme speed of the alleged target eliminates the possibility that
it is a U. S&S. aircraft having I'F installed.

Se liormally the reflection from the target aircraft is observed, although
weaker than the IF returns.

4. This appears to be another case of a radar sighting for which there is
no satisfactory explanation, due to lack of sufficient data.

1 Incl 7 GORDON C. HOFFMAN man Cap 1S F
n/e | “Colonel, USAF
APCIY--421

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