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Archive case record

Grand Rapids, Michigan, April 1952

Date of account
1952-04
Location
Grand Rapids, Michigan
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 .DATE 2.LOCATION 12.CONCLUSIONS 27 Apr 52 Grand Rapias, Michigan Was Balloon 口 Probably Bolioon 口 Possibly Balloon 3.DATE-TIME GROUP 4.TYPEOF OBSERVATION 0808 Ground-Visua! Ground-Rodar. 9 Was Aircraft Local Probably Aircra!! 2 1308 O Air-Visual OAir-IntetceptRadar PossiblyAircraft GMT. 5.PHOTOS 6.SOURCE Was Astronomicc! Yos pex-ProboblyAstronomicalMsrcOi CAA controller Possibly Astronoinicol 7.LENGTH OF OESERVATION 8.NUMBEROF OBJECTS9.COURSE 口 Oiher. 口 InsufficiontData forEvoluation 16-18 seconds. 1 口 Unknown 10. BRIEF SUMMARY OF SIGHTING .. 11.COMMENTS Bright white color. Spherical shape. Size estimated.tobe that of a Pronounced arched path. ping pong.ball-at arm's length. Travoled at very high rate of speed. Coverod 5/8 of sky. ATIC FORM 329(REV 26SRP 52)

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