What happened
A large, round, yellow-white object dimmed once and crossed in front of the airliner.
"large, round, yellow-white"Shape words from the Project Blue Book summary
Witnesses
Capital Airlines Capt. R. L. Stimley and First Officer F. J. Downing
Explanation
Unresolved
No explanation has been found.
Sources
- Patrick Gross, Project Blue Book unknowns of 1957ufologie.patrickgross.org
- The Black Vault, Project Blue Book unknown case files, complete listtheblackvault.com
Filed by Project Blue Book as unidentified.