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Archive case record

Belmont, California, December 1957

Date of account
1957-12
Location
Belmont, 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

PROJECT 10073 RECORD CARD 1.DATE 2.LOCATION 12. CONCLUSIONS 口 Was Balloon 8 December 1957 Belmont,California 口 Probably Balloon 3.DATE-TIME GROUP 口 Possi bly Balloon 4.TYPE OF OBSERVATION Local Xxx Ground.Vi sual Ground-Radar 口 Wos Aircraft XRrobably Aircraft GMT09/0329Z O Ai~Vi sual DAir-lntercopt Radar 口 Possibly Aircraft 5.PHOTOS 6.SOURCE 口 Was Astronomical aY 口 Probably Astronomical X&NO Civilian 口 Possibly Astronomical 7.LENGTH OF OBSERVATION 8.NUMBER OP OBJECTS 9.COURSE 口 Other. 口 Insufficiont Data for Evaluation 5-l0 minutes 口 Unkno wn one East 10.BRIEP SUMMARY OP SIGHTING 11.COMMENTS One object aircraft shaped and aircraft Very little information but pro- size,color pinkish. Approx 5ooo ft bably aircraft. Note: Object seen altitude. at dusk accounts for pinkish color ATIC FORM 329(REV 26SEP 52)

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