Sioux City, Iowa, November 1961
- Date of account
- 1961-11
- Location
- Sioux City, Iowa
- 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 onlyPROJECT10073RECORD CARD 1.DATE 2.LOCATION 12.CONCLUSIONS 口 Was Bolloon 23.Noy.61 Sioux City, Iowa 口 ProbablyBalloon 口 Possibly Balloon 3.DATE-TIME GROUP 4.TYPEOF OBSERVATION Ground-Rodar 口 Was Aircraft Local [IGround-Visual 口 ProbablyAircraft 24/0330Z AiVisuol D Air-lntercept Radar 口 Possibly Aircraft GMT. 5.PHOTOS 6.SOURCE 口 Was Astronomical OYes 口 Probobly Astronomical Civilian 口 Possibly Astronomical 7.LENGTH OF OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE 口 Other 口 InsufficientData forEvaluation 15min S Unknowr 10.BRIEF SUMMARY OF SIGHTING Obj,Similar tO bright tUrCOMMENTSECHO I CrOSSed eguatorheading ounknowN shape w/no discernable feetures(no N at 24/0310.5z &:would have been over souni,tail,or exhoust)observed moving S.Obs Japan at the time of sighting.Duration ervd by younger persons who calid attention t the//rules out a/c altho an a/c often vitness reporting the obj. Initial obsorv
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