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Archive case record

Pittsburgh, Pennsylvania, August 1956

Date of account
1956-08
Location
Pittsburgh, Pennsylvania
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 10073 RECORD CARD 1.DATE 2.LOCATION 12. CONCLUSIONS 口 Was Balloon 18 August 1956 Pittsburgh, Pennsylvania 口 Probobly Bolloon 口 Possibly Balloon 3.DATE-TIME GROUP 4.TYPE OF OBSERYATION D Ground-Rodar 口 Was Aircraft Local DGround-Vi sual 口 ProbaSly Aircreft GMT_19/0205Z D AirVisua! O Air-lntercopt Radar 口 Possibly Aircraft 5.PHOTOS 6.SOURCE kxWas Asronomicol Btar/plane OYes D Probabiy Astronomical OWo Military 口 Possibly Astronomical 7.LENGTH OF OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE 口 Othor. 口 Insufficiont Data for Evaluotion 口 Unknowm 1 hr 45 mins one pendulum 10. BRIEF SUMMARY OF SIGHTING 11.COMMENTS One circular object the size of a Description and duration indica- baseball at arn's length.Object had tive of astro body observation a pendulum swing. object was sighted such as Mars. at 10,000 feet altitude.0bject was observed visually for l hr 45 minutes. No Report In File ATIC

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