PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969

CASE REFERENCE6790279

DATE OF SIGHTINGMay 1957

REPORTED LOCATIONDetroit Michigan

FRAMES3

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Transcribed Frames

FRAME 001 / 003paddle-gpu-200dpi

.
PROJECT 10073 RECORD CARD
1. DATE 2. LOCATION 12. CONCLUSIONS
0 Was Balloon 7
30_May1957 Detroit,_Michigan 0 Probobly Bulloon
. DATE-TIME GROUP 4. TYPE OF OBSERVATION 0 Possibly Balloon
Local__ Ground-Visual x Ground-Rodar Was Alrcraft
ETK Probably Aircroft
GMT. C0/1501Z Air-Visual Air-Intercopt Radar 0 Possibly Aircrolt
5. PHOTOS 6. SOURCE 0 Was Astronomical
Yes 00 Probably Astronomical
:No Military Possibly Astronomieal
7. LENGTH OF OBSERVATION 7. LENGTH OF OBSERVATION 8. NUMBER OF OBJECTS 9. COURSE NUMBER OF OBJECTS 9. COURSE Other... Other
000 00 Insufficiont Data for Evaluation Insufficient Data for Evaluation
Unknown Unknown
30 seconds one
TO. BRIEF SUMMARY OF SIGHTING 11. COMMENTS
Objec appeared as well-defined blip well-defined blip It is likely that this sighting It is likely that this sighting
about jet size. Object faded size. Object faded was due to an unidentified a/c.
from scope approx from scope approx 30 seconds after
initial sighting. When last observed
Obj was or Obj was o dgr course. Distance
at initial pick at initial pick up was approx 70 nau- was approx 70 nau- .
tical miles. Obj faded at 80 nautical faded at 80 nautical
miles. Est speed miles. Est speed approx 1200 knots.
L
ATIC FORM 329 (REV 25 SEP 52)

FRAME 002 / 003paddle-gpu-200dpi

Inclosure #3: From the rather meager infornation in this report, it 1
likely that the radar sighting was due to unidentified aircraft.
,
R0415092 AG2
FmISKO
10:197
os
ET
3940 EARC-2.
1s IN ACCORDANCE WITH ANNEX NUMBER 9 TO OPERATIONS DIRECTIVE
LOWING INGIDENT
SPOT REPORT CONCERNING AN UNIDENTIFIED FLYING SUBMITTED
FOR YOUR INFORMATION:
A. OBJECT APPEARED ON THE SCOPE OF AN/TPS 1-D LOCATED AT
THE SITE OF DI5R AT 1501Z 30 MAY BLIP ABOUT
TWO JET AIRCRAFT SIZE. TWO JET AIRCRAFT SIZE
B B OBJECT FIRST SIGHTED AT GEOGRAPHIC REFERENCE HM 01 AND OBJECT FIRST SIGHTED AT GEOGRAPHIC REFERENCE HM 01 AND
CBSERVED BY RADAR OPERATOR AND RADAR SGT, EACH WITH BY RADAR OPERATOR AND RADAR SGT, EACH OXIMATELY CIMATELY
21 MONTHS EXPERIENCE ON THE RADAR.
CFN 3940 EARC-21 -
AECNAEIO o0.1an3:
11633
siqned.
A
32 O I08 09 1101
DarRot, Mihy RECEIVEO
JUN 1957
NQ USARADCOM
i 7cl# 3

FRAME 003 / 003paddle-gpu-200dpi

PACE TWO 72N NR 13
C. OBJECT FADED FROM 1 SCOPE AT GEOTRAPHIC CEFERENCE HN 23
APPROXIMATELY 30 SECONDS AFTER INITIAL L SIGHTING. WIEN LAST OB-
SERVED OBJECT WAS ON 185 DEGREE COURSEC
D.I DISTANGE AT INITIAL PICK UP VAS APTROXIMATELY 7O
NAUTICAL "ILES, OBJECT FADED AT 80 NAUTICAL MILES. ESTIMATED
SPPED APPROXIMATELY 1200 KNOTS.
L 2. ADC SSIST AC AND W SQUADRON, SELFRIDGE AIR FORCE RASE
WAS N NOTIFIED OF ABOVE BY THE 28TH AAA GROUP
ET
CFN C 20 30 185 D 70 83 1280 2 661ST AC U 28TH
04/15282 04/15282
:
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