UFOMYST
CaseTriangle1990

Jeffersonville, IN, USA

Triangular dark shape hovering above closed ammunition plant in Southern Indiana.

Report quality: Moderate45/100

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.

  • No parseable duration on file
  • Moderate witness text (81 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1990-07-01
Where
Jeffersonville, IN, USA
Shape
Triangle
Duration
ten minutes
Geo
38.278, -85.737 · exact
Slug
triangle-over-jeffersonville-in-1990-6be6ee
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

  • This is one of 19 reports logged in Jeffersonville, IN.
  • This case is one of 8 Indiana reports filed in 1990.
  • 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.