What happened
A large light blinking 10 to 15 times a minute moved up and down along a mountain ridge.
"a large light, blinking"Shape words from the Project Blue Book summary
Witnesses
Mrs. Nina Cook, an experienced private pilot and wife of a Pan Am flight engineer
Explanation
Unresolved
No explanation has been found.
Sources
- Patrick Gross, Project Blue Book unknowns of 1953ufologie.patrickgross.org
- The Black Vault, Project Blue Book unknown case files, complete listtheblackvault.com
Filed by Project Blue Book as unidentified.