UFOMYST
CaseTriangle1991

Derby, NY, USA

Metalic triangle with crimson light in center, hovered very slowly and noislessly over the trees and then came around in an arc and dis

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: 300s, a plausible sighting length
  • Detailed witness text (135 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1991-07-09
Where
Derby, NY, USA
Shape
Triangle
Duration
5 minutes
Geo
42.681, -78.975 · exact
Slug
triangle-over-derby-ny-1991-1b1bc8
Wave

Part of a wave

  • Historical wave1989–1991

    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…

    Open wave →

In context

  • Derby, NY has 3 sightings on file here.
  • 1991 brought 21 reports from New York.
  • The 1990s skewed 11.6% triangle reports; the archive-wide figure 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.