17.55N 57.40W (San Juan, Puerto Rico), March 1963
- Date of account
- 1963-03
- Location
- 17.55N 57.40W (San Juan, Puerto Rico)
- Source
- uap_archive
- Record updated
- 2026-10-10
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 onlyPROJECT 10073RECORD CARD 1.DATE 2.LOCATION 12.CONCLUSIONS (San Juan 口 Was Balloon 18 March 1963 17.55N 57.40w_Paerto Rico 9 Probably Balloon 3.DATE-TIME GROUP Possibly Balloon 4.TYPE OF OBSERVATION 口 Was Aireraft Local DxGround-Visual Ground-Rador 口 Probobly Aircraft 19/0140Z AirVisuol Air-lntercept Rador 口 Possibly Aircraft GMT. 5. PHOTOS 6.SOURCE 口 Was Astronomicol Yes MERINT rpt to Coast Guard 口 Probably Astronomicol 口 Possibly Astronomical fm SS Plainsman 7.LENGTH OF OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE 口 Other Insufficient Dato for Evaluation 口 Unknown not reported fellintowater 10. BRIEF SUMMARY OF SIGHTING 11.COMMENTS Unknown obj exploded in sky. Addi- Results of search not received. tional explosion of obj on striking No evaluation. Insufficient data water. Reporting vessel searching for analysis. area.No additional information received. ATICFORM329(RKV26SEP52)
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