Des Plaines, Illinois, September [BLANK]
- Source
- uap_archive
- Record updated
- 2026-08-19
Record summary
Project Blue Book case file indexed from National Archives metadata; page-level review pending.
Published source text
Read the available text below. Archive transcriptions may contain OCR errors; later context is labelled separately. A recorded claim is not a finding that it happened.
Source page 1
Source text · mention onlyPROJECT 10073 RECORD CARD 1.DATE 2.LOCATION 12.CONCLUSIONS 17 September Des Plaines,Illinois 口 Was Balleon 3.DATE-TIME GROUP 口 Probabiy Ballcon 4.TYPE OF OBSERVATION 口 Possibly Balloon Locol XKGround-Visual Ground-Rador Wos Aireraft GMT18/0209Z ProboblyAircroft AirVisuol Air-Intercept Radar 口 5.PHOTOS 6.SOURCE Yas Was Astronomical 口 ProbablyAstronomical Ciyilian 口 Possibly Astronomical 7.LENGTH OF.OSSERVATION S.NUMBER OF OBJECTS 9.COURSE 口 Other. 4 min 30 sec 口 Insufficient Data for Evaiuation one Unknown WNW 10. BRIEF SUMMARY OF SIGHTING [11.COMMENTS Obj observed in East traveling to NW. Believed a/c except that it was Nothing conflieting with a/c too low for a/c, no running lights, evaluation. yellow white color. Not shaped like a/c.Saucer shape with bubble on top.Estimated speed at 600-700 mph. ATICFORM329(REV 26SEP 52)
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