CaseTriangle1971
Mountainview, CA, USA
A witness in Mountain View, California reported a triangular craft partially hidden behind a cloud, with a large observation window clearly visible, hovering for about ten minutes in December 1971.
Report quality: Moderate55/100
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: 600s, a plausible sighting length
- Detailed witness text (197 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1971-12-20
- Where
- Mountainview, CA, USA
- Shape
- Triangle
- Duration
- 10 minutes
- Geo
- 37.386, -122.084 · exact
- Slug
- triangle-over-mountainview-ca-1971-e78420
In context
- This is one of 1 reports logged in Mountainview, CA.
- This case is one of 23 California reports filed in 1971.
- Triangle craft made up 7.9% of 1970s reports, vs 9% across the whole archive.
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.