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Archive case record

Peoria, Illinois, September 1955

Date of account
1955-09
Location
Peoria, Illinois
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 I.CATE· 2.L.OCATION 12.CONCLUSIONS 口 Was Balloon 18 Sep 55 Peoria, Illinois 口 Probably Balloon 口 Possibly Balloon 3.DATE-TIME GROUP 4.TYPE OF OBSERVATION Local. #Ground-Visual Ground-Radar 口 Was Aircraft 18/2000Z 口 Probably Aircraft GMT D AirVisual 口 Air-lntercept Radar 口 Possibly Aircraft 5.PHOTOS .SOURCE 口 Was Astronomical OYes 口 Probably Astronomical No civilian 口 Possibly Astronomical 7.LENGTH OP OBSERVATION 8.NUMBER OF OBJECTS 9.COURSE 口 Other. xooxinsufficient Data for Evaluation "few" seconds 1 SW to NE 口 Unknown 10. BRIEP SUMMARY OF SIGHTING 11.COMMENTS Long, narrow, no wings, similar to a circus Inconsistant data observed for fdu balloon, grey on one side, orange on other. Beconds,8peed 30-40 knots,passed over- Seemed to be rolling. No Bound,steady alt, head at l,ooo ft at steady pace. appeared to rotate once during flt. INSUFFICTENT DATA FOR EVALUATION

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