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

PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969
CASE REFERENCE8611495
DATE OF SIGHTINGDecember 1960
REPORTED LOCATIONArlington Heights Illinois
FRAMES3

Machine transcription · mean legibility 48.5/100 · engines: tesseract-200dpi

Transcribed Frames

FRAME 001 / 003tesseract-200dpi
PROJECT 10073 RECORD CARD

1. DATE 2. LOCATION 12. CONCLUSIONS
= 29 @ean Tot ohh a : Was Balloon
25 Dee 60 fclington Heights, Illinois Probably Balloon
3. DATE-TIME GROUP 4. TYPE OF OBSERVATION Possibly Balloon
Local SS. : Ue DD Ground- Vi sual O Ground-Roadar Was Aircraft

Probobly Aircrof

Possibly Aircrafr

D Air Vi wel 0 Air-Intercept Rodar

Was Astronomical

Ooo 000 000 ooo

0 Yes Probably Astronomicol
70 Ne Civilian Possibly Astronomical
J. LENGTH OF OBSERVATION —_—'| 8. NUMBER OF OBJECTS | 9. COURSE Other ————e
insufficient Dota for Evaluation
i-2 nin one descending Unknown

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10, BRIEF SUMMARY OF SIGHTING 11. COMMENTS

Oval to round, aprox size of large automohile, | Object was in view for 1-2 min over a
gray slate colored glow. Seemed to have lights |highly populated area, but was apparently

that glowed. Fell to earth straight down. observed by only one person. There was

Appeared and disappeared 15° elevation NE of light air traffic in the area. There was

observer. a 9000' ceiling with complete overcast.
~ It is possible that the ocvject observed

was one of the a/c in the area, but due
to the lack of corroborating witnesses,
there is insufficient data, precluding
a conclusion.

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