Aurora, CO, USA
Triangle consisting of 3 red lights. Shot straight up, then stayed in same position for 30 seconds, then finally descended diagonally u
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: 60s, a plausible sighting length
- Detailed witness text (135 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1989-04-18
- Where
- Aurora, CO, USA
- Shape
- Triangle
- Duration
- 1 minute
- Geo
- 39.729, -104.832 · exact
- Slug
- triangle-over-aurora-co-1989-f281c8
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
- Aurora, CO shows up 105 times across the archive.
- 7 reports came from Colorado in 1989.
- In the 1980s, 12% of reports described a triangle — the all-time rate is 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.