United States / 1973 / UNRESOLVED
Coyne helicopter incident
An Army Reserve helicopter crew reported a close encounter with a bright object over Ohio.
CredibilityB
StatusUNRESOLVED
Evidence types2
Official sources0
Last reviewed2026
Archive assessment
This case remains unresolved in the public record, with credibility grade B.
- Documentation
- Limited documentation
- Primary location
- Mansfield, Ohio
- Source base
- 2 linked records
- Research use
- Comparison case
Case dossier
Coyne helicopter incident is a notable UFO/UAP report from Mansfield, Ohio. The case is tracked as part of the launch archive because it is searchable, source-linked, and useful for comparison across countries, eras, evidence types, and explanations.
Timeline
- Coyne helicopter incident is reported in Mansfield, Ohio.
- The case enters public UFO/UAP discussion through reports, archives, or later summaries.
- The case is indexed with sources, evidence notes, and skeptical context.
Evidence matrix
Reported evidencehelicopter crew
Reported evidenceaviation report
Evidence assessment
Reported evidence includes helicopter crew, aviation report.
Official context
The case entered public aviation and UFO reporting channels.
Skeptical notes
Aircraft, astronomical objects, and perception under flight conditions are debated.
Sources
- News reportThe Case of Ohio's Best Documented UFOOhio Magazine
- ArchiveNear midair collision with UFO reportU.S. Army report / Patrick Gross archive transcription
