Philadelphia, Pennsylvania, September 1957
- Date of account
- 1957-09
- Location
- Philadelphia, Pennsylvania
- Source
- uap_archive
- Record updated
- 2026-10-10
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 onlyPROJECT10073RECORDCARD 1.DATE 2.LOCATION 12.CONCLUSIONS 口 Wos Balloon 9-10 September 1957 Philadelphia,Pennsylvania 口 Probably Balloon 口 Possibly Balloon 3.DATE-TIME GROUP 4.TYPE OF OBSERVATION .Local. Ground-Visual DGround-Rodar 口 Was Aircraft 口 Probably Aircraft GMT AirVisuol Air-lntercep Radar 口 Possibly Aircraft 5.PHOTOS 6.SOURCE 口 Was Astronomicol DiYes Physical 口 Probably Astronomical Civilian 口 Possibly Astronomical RNo Specimens 7.LENGTH OF.OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE uxothorChaff 口 Insufficient Dota for Evaluation 口 Unknown not rptd multinle falling 10.BRIEF SUMMARY OF SIGHTING 11.COMMENTS Letter to FBI requesting information Evaluated as chaff used in jam- regarding metal foil objects observed ming radar. falling from the sky. ATICPORM329(REV 26SEP52)
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