UFOMYST
CaseFormation1989

Chicago (near), IL, USA

3 specks of light/triangle formation/got brighter&larger/moved fast to rt side of commercial airplane.

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: 180s, a plausible sighting length
  • Moderate witness text (102 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
1989-06-01
Where
Chicago (near), IL, USA
Shape
Formation
Duration
a few minutes
Geo
41.850, -87.650 · exact
Slug
formation-over-chicago-near-il-1989-6a4dd1
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Next caseFormation · Chicago, ILsame formation · 0 km
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

  • Chicago (near), IL has 2 sightings on file here.
  • 1989 brought 14 reports from Illinois.
  • The 1980s skewed 2.5% formation reports; the archive-wide figure is 3.3%.

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.

End of report

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