CaseTriangle1991
San Marcos, TX, USA
Giant V-Shaped Craft
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: 420s, a plausible sighting length
- Brief witness text (20 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1991-09-27
- Where
- San Marcos, TX, USA
- Shape
- Triangle
- Duration
- 6-8 minutes
- Geo
- 29.883, -97.941 · exact
- Slug
- triangle-over-san-marcos-tx-1991-ed72ad
Wave
Part of a wave
The Belgian Triangle Wave
Belgium (Eupen, Wallonia, Brussels corridor)
The definitive black-triangle wave: silent, slow platforms with three corner lights, reported by gendarmes, air-traffic controllers, and thousands of citizens. On the night of March 30-31, 1990, Belgian F-16s scrambled…
In context
- This is one of 29 reports logged in San Marcos, TX.
- This case is one of 17 Texas reports filed in 1991.
- Triangle craft made up 11.6% of 1990s 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.