What happened
Two white flashes were followed by a dark cloud that rose and split in two.
"two white flashes"Shape words from the Project Blue Book summary
Witnesses
The crew of Northwest Airlines Flight 802
Explanation
Unresolved
No explanation has been found.
Sources
- Patrick Gross, Project Blue Book unknowns of 1950ufologie.patrickgross.org
- The Black Vault, Project Blue Book unknown case files, complete listtheblackvault.com
Filed by Project Blue Book as unidentified.