UFOMYST
CaseTriangle1991

Hammond, IN, USA

UFO over Hammond.

Report quality: Moderate48/100

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 (17 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1991-04-11
Where
Hammond, IN, USA
Shape
Triangle
Duration
4 minutes
Geo
41.583, -87.500 · exact
Slug
triangle-over-hammond-in-1991-8054a4
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 16 reports logged in Hammond, IN.
  • This case is one of 6 Indiana reports filed in 1991.
  • 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.