October 1953 | Mapleton, Maine
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| 2. LOCATION “12 CONCLUSIONS
Des Plaines, Illinois |
4. TYPE OF OBSERVATION
#1 Ground-Visual 0G
==
Was Balloon
Probably Bolloon
Possil bly Balloon
Ee oD
| 3. DATE-TIME GROUP
Wos Aircraft |
Probably Aircraft
Possibly Aircraft |
Local
yround-Radar
a Ale Vieval ns a Air-Intercept | Radar
000 000
Was Astronomical
Probably Astronomical
Possibly Astronomical
Other.
Insufficient Dota for Eveluation |
Unknown
| 7. LENGTH OF E OBSERVATION
Lminutes | one ant BH
10. BRIEF SUMMARY OF SIGHTING | Ih. COMMENTS EE a RE
it
| Long obj size of plane observed at night. | No data presented to indicate sighting
| Appeared as a bright light. Revolved for a could not have been caused by an ag.
period of 10 seconds. Flew lower than a plane.
Bet to West to SW. Faded after LI minute obser-|
vation. Speed about 150 mph, same as plane. |
}2 observers.
|
ATIC FORM 329 (REV 26 SEP 52) Cu