Chicago, IL, USA
3 red/orange lights in an isosceles triangle formation.
Report quality: Moderate66/100
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: 90s, a plausible sighting length
- Brief witness text (55 characters)
- Location geocoded exactly
- 3 other reports from the same city within 3 days
- When
- 2009-09-13
- Where
- Chicago, IL, USA
- Shape
- Triangle
- Duration
- 90 seconds
- Geo
- 41.850, -87.650 · exact
- Slug
- triangle-over-chicago-il-2009-772ce0
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
Chicago, IL logged 4 reports in the single month of September 2009.
In context
- One of 413 documented reports from Chicago, IL in the UFOMYST archive.
- Illinois logged 140 sightings in 2009.
- Triangle sightings ran at 10.1% during the 2000s (archive average: 9%).
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.