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Archive case record

38.48N 123.16E (Yellow Sea), October 1951

Date of account
1951-10
Location
38.48N 123.16E (Yellow Sea)
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 10073RECORDCARD 1.DATE 2.LOCATION 12. CONCLUSIONS Was Bolloon 18 0ctober19 51 38.48N 123.l6E(Yellow Sea) 口 ProboblyBolloon 口 Possibly Balloon 3.DATE-TIME GROUP TYPE OF OBSERVATION Wos Aiieroft Local GroundVisua! DCround-Rodor 口 PreboblyAircroii 18/0333Z XXAinViol D Possibiy Aircraft GMT. [tAir-interesptRadar 5.PHOTOS 6.SOURCE D Was Astronomiccl Yes 口 ProboblyAsircromicol 口 Possibly Asircnomico! OKNo Military 7.LENGTX OF.OBSERYATION O.NUMBER OFOSJECTS 9.COURSE D Other D Insufficiant Dcio forEvoluotion 16 minutes One Manuevered 口 Unknown 10. BRIEF SUMMARY OF SIGHTING 11.COMMENTS Color was red or white- Orange exhaust.Speed A/c sighting. 530 kmots. Shape; A/c w/swept back wings. Size 60: long. Accelerated and decelerated to maintain same interval between source and observer. ATC PORM 329(R2V 2S9EP S2)

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