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Archive case record

San Luis Obispo, California, May 1956

Date of account
1956-05
Location
San Luis Obispo, California
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 口 Was Balloon 20 May 1956 San Luis Obispo,Californi 口 Probably Balloon 口 Possibly Balloon 3.DATE-TIME GROUP 4. TYPE OF OBSERVATION Ground-Radar 口 Was Aircraft Local XGround-Visuol 口 Probcbiy Aircraft 20/1828Z DAirVisual D Air-lntercept Radar 口 Possibly Aircraft GMT_ 5.PHOTOS 6.SOURCE 口 Was Astronomical Yes 口 Probably Astronomical Civilian 口 Possibly Astronomical OKNO 7.LENGTH OF OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE Othor. Insufficient Dota for Evaluation 口 Unknown five minutes one SW 10. BRIEF SUMMARY OF SIGHTING 11.COMMENTS One round red object, size unknown, Recontact with the originating glowing, and moving southwest. Faded agency for additional information into distance. failed to produce same. Evaluated as Insufficient data. ATIC FORM 329(REV 26 SEP 52)

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