Grand Rapids, MI, USA
hugh triangulation of lights,nine in all,traveling with stunning cooperation and velocity,all rotating,silently and quick!
Report quality: Moderate51/100
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: 4s (an atypical range)
- Detailed witness text (122 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1991-12-10
- Where
- Grand Rapids, MI, USA
- Shape
- Other
- Duration
- 3.5 seconds
- Geo
- 42.963, -85.668 · exact
- Slug
- other-over-grand-rapids-mi-1991-721ccc
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
- Grand Rapids, MI shows up 121 times across the archive.
- 17 reports came from Michigan in 1991.
- In the 1990s, 8% of reports described a other — the all-time rate is 6.9%.
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.