CaseTriangle1984
Sierra Vista, AZ, USA
Silent delta wing aircraft
Report quality: Moderate48/100
This score reflects report-quality signals on file — how complete, corroborated, and precisely located the report is — not a claim about whether the sighting was a real craft.
- Duration parsed: 300s, a plausible sighting length
- Brief witness text (26 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1984-06-01
- Where
- Sierra Vista, AZ, USA
- Shape
- Triangle
- Duration
- 5 minutes
- Geo
- 31.555, -110.304 · exact
- Slug
- triangle-over-sierra-vista-az-1984-e99a25
In context
- One of 28 documented reports from Sierra Vista, AZ in the UFOMYST archive.
- Arizona logged 3 sightings in 1984.
- Triangle sightings ran at 12% during the 1980s (archive average: 9%).
Report
Full narrative lands with dossier import for famous cases, or the NUFORC free-text summary above for standard reports. This shell is SSR-ready: one D1 row (including connections_json) per page.