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Archive case record

Pittsburgh, Pa., September 1959

Date of account
1959-09
Location
Pittsburgh, Pa.
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

PROJECT 10073RECORD CARD 2.LOCATION 12.CONCLUSIONS 1.DATE 口 Was Balloon Pittsburgh, Pa 口 ProbablyBalloon 15Sep59 口 Possibly Balloon 3.DATE-TIME GROUP 4.TYPEOF OBSERVATION 口 WasAircraft 2400 DGround-Visual Ground-Radar Local 口 ProbablyAircraft DAir-Intercept Radar 口 Possibly Aircraft GMT AirVisuol 6.SOURCE 口 Was Astronomical 5.PHOTOS 口 Probably Astronomical Yes 口 Possibly Astronomical Civilian 8.NUMBEROFOBJECTS 9.COURSE OthorHoax 7.LENGTH OF OBSERVATION 口 Insufficient Data for Evaluation 口 Unknown one N/A N/A 11.COMMENTS I0.BRIEF SUMMARY OF SIGHTING A loud explosion was heard fm the Sa. All evidenoe indicated upon invexti- Hill area of Pittsburgh. Upon investigation,//gation that the obj vas not airborne an obj was found which measured 9in or flying at any time.It is the opinio diameter at the base & was ll" high.A ofATIc that thisobj &theexplosion flashing red light encased in plastie wa

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