Matteson, IL, USA
Triangle Formation of Bright lights in SKY
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: 1050s, a plausible sighting length
- Brief witness text (42 characters)
- Location geocoded exactly
- 1 other report from the same city within 3 days
- When
- 2011-10-25
- Where
- Matteson, IL, USA
- Shape
- Triangle
- Duration
- 15-20 min
- Geo
- 41.504, -87.713 · exact
- Slug
- triangle-over-matteson-il-2011-3f158a
Part of a wave
The Navy Encounters & the UAP Era
U.S. training ranges (Pacific off San Diego; Atlantic off Virginia), then worldwide reporting
The wave that renamed the subject. The USS Nimitz 'Tic Tac' encounter (November 2004: radar drops from 80,000 ft to sea level in seconds, pilot visual by Cmdr. David Fravor, FLIR video) stayed classified-adjacent until…
Local cluster
October 2011 was a busy month for Matteson, IL: 3 separate reports.
In context
- This is one of 12 reports logged in Matteson, IL.
- This case is one of 219 Illinois reports filed in 2011.
- Triangle craft made up 8.4% of 2010s 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.