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

PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE8689918
DATE OF SIGHTINGJune 1961
REPORTED LOCATIONDetroit Michigan
FRAMES9

Machine transcription · mean legibility 45.4/100 · engines: tesseract-200dpi

Transcribed Frames

FRAME 001 / 009POOR LEGIBILITY — PENDING RE-EXAMINATION
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PROJECT 10073 RECORD CARD

i. DATE 2. LOCATION 112. CONCLUSIONS
;0 Wos Balloon
? io Probabiy lalloon
-- ~- --- — —-- - — . r Paasthiy Bailes
3. DATE-TIME CROUP 4. TYPE OF OBSERVATION O Possibly Balloon
7 ‘ ‘ A; ta c
Local... —_— —— 0) Ground- Vi sual 0 Ground-Rodor a. 2 to Sit ft ,
(i Pro bably Airecratt
P ASe, Ai paneat
GN T — we ee 0) Aix Vi sval 0 Air-Intercep? Vadar a Possibly ' rait
5. PHOTOS 6. SOURCE O Was Astronomical
© Yes QO Probably Astronomical
Ne ae 0 Possibly Astronomical
7. LENGTH OF OSSERVATION |S. NUMBER OF OBJECTS 9%. COURSE . 1O* Other ‘43
OQ Itasulticient Data for Evaluation
a. ie +5 o 0 Unknown
1d, BRIEF SUMMARY OF SIGHTING li, COMMENTS
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19451 (9Jun61) Qn are o ofr lj

PAGE TWO RJEDFJ 2G
i IB JECT.

@e OBJECT WAS FIRST VIEWED AT 270 DEGREES FAC

5. OBJECT DISAPPEARED OVER HORIZON.

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4. OBJECT FOLLOWED A STRAIGHT PATH MO

Ie OBJECT DISAPPEARED INSTANTANEOUSLY OVER THE HORIZON IN THE
| 6. OBJECT WAS VISIBLE FROM 3 TO 4 MINUTES.
C. MANNER OF OBSERVATION:

1. GROUND-VISUAL.

l. 2252 ZULU 6 JUNE 1961.

e NIGHT

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~ E, LOCATION OF OBSERVER:
SELFRIDGE AIR FORCE BASE, MICHIGAN
2 DEGREES 5 MINUTES LATITUDE

42 DEGREES 25 MINUTES LONGITUDE

IDENTIFYING INFORMATION ON OBSERVER:
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: SSI FRINGE ATR FORCE 5 On Mw TCUTRAS
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| DUTY: PETROLEUM OIL LUBRICANT MAINTENANCE
ESTIMATED RELIABILITY: FAIRLY RELIABLE.
G, WEATHER AND WINDS -- ALOFT CONDITIONS AT TIME AND PLACE OF
SIGHTING:
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1, CLEAR WEATHER,
TT TAIN Cs
Las Aili Os
SURFACE Q9BRA DNS GePrrc paT | . YAY T >
4 a 64v0i iui mie Fi / svi «
12,0080 FT 310 DEGREES AT 15 KNOTS
20,009 FT 28@ DEGREES AT 25 KNOTS
52,8223 FT 288 DEGREES AT 49 KNOTS
49,990 FI 270 DEGREES AT 45 KNOTS
3,909 FT 270 DEGREES AT 50 KNOTS
5s NO CEILING.
42 VISIBILITY WAS FOR 1@ MILES,
2e THIN LAYER OF HIGH CIRRUS CLOUD
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D=PARTMENT OF THE AIP FORCE

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AREA SOMETIME BETWEEN 0192 ZULU AND @502 ZULU 6 JUNE 196] AND WILL

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YONTINUE TO DO SO FOR THE DURATION OF THIS MONTH.

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: I. DETECTION ACTION WAS TRIED BY USE OF THE RADAR AT THIS SITE, BI!
WE WERE UNABLE TO PICK UP ANYTHING THAT WAS NOT ACCOIINTABLE FOR BY THE
DETROIT AIR DEFENSE SECTOR, SEARCH RADAR USED WAS THAT OF THE AN/FPS-

204, THE AN/FQS-6, HEIGHT FINDER RADAR YAS ALSO SED CONCURRENTLY.

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