CaseTriangle1990
Brockton, MA, USA
An object stops dead in it's track!
Report quality: Moderate58/100
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: 240s, a plausible sighting length
- Brief witness text (35 characters)
- Location geocoded exactly
- 1 other report from the same city within 3 days
- When
- 1990-02-15
- Where
- Brockton, MA, USA
- Shape
- Triangle
- Duration
- 4 min
- Geo
- 42.083, -71.018 · exact
- Slug
- triangle-over-brockton-ma-1990-d37e9f
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 19 reports logged in Brockton, MA.
- This case is one of 8 Massachusetts reports filed in 1990.
- Triangle craft made up 11.6% of 1990s reports, vs 9% across the whole archive.
Nearby in space & time
within 30 daysReport
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.