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Archive case record

Michigan - Wisconsin, September 1951

Date of account
1951-09
Location
Michigan - Wisconsin
Source
uap_archive
Record updated
2026-10-10

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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 only

PROJECT10073RECORDCARD 1.DATE 2.LOCATION 12.CONCLUSIONS 18 September 1951 Michigan -Wisconsin 口 Was Bolloon 口 Probably Bolloon 口 Possibly Balloon 3.DATE-TIME CROUP TYPE OF OBSERVATION HGround-Roder 口 Was Aiicroft Locol. GroundVisuel 口 Probably Aircraf! 18/10352,11312 Air-Intercopt Rodar 口 Possibly Aircraft GMT_ Ai~Viswol 5.PHOTOS 6.SOURCE 口 Was Astronomical aY 口 Probobly Astronomicol Military Radar 口 Possibly Astronomicol 7.LENGTH OF.OBSERVATION Ducting S.NUMBER OP OBJECTS 9.COURSE 口 Insufficient Doto for Evaluation three hours Multiple targets Varied 口 Unkno wn 10. BRIEF SUMMARY OF SIGHTING 11.COMMENTS Intermittant radar blips similar to large a/c Ducting due to heavy ground fog believed only somewhat larger. Oblong in shape. Appeared a possibility. Same phenomena has as new plot on several occasiona.Observed from occured in less violent form in area 18/1035zto18.1131z and as late as18/

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