Project Blue Book Case File
Grand Rapids, MichiganMarch 1961
Summary
On March 4, 1961, an aluminum alloy sheet was found in Grand Rapids, Michigan. The report noted the time as about 2:34 p.m. The sheet measured roughly 3 and 3/4 inches by 18 feet. No aircraft or other cause was identified. A local investigator was sent to the scene, and no other information was given at the time.
On Project 10073, the Air Force's official record for unidentified flying object reports, the case was evaluated as an aluminum sheet. The source was listed as unknown. No additional reports were received.
Reported location
Grand Rapids, Michigan
Date of incident
March 1961
State / country
MI / US
Page count
2 scanned pages
USAF evaluation
unidentified
Microfilm
T1206, Roll 41