Chicago- West Suburbs- Rt 171, IL, USA
Black triangle that morning, sat hovering for unknown period of time, and left southbound. Estimated Rt.64-Rt.171.
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.
- Duration parsed: 600s, a plausible sighting length
- Moderate witness text (114 characters)
- Location could not be geocoded
- No other reports from this city within 3 days
- When
- 2005-01-05
- Where
- Chicago- West Suburbs- Rt 171, IL, USA
- Shape
- Triangle
- Duration
- 10 minutes
- Geo
- —
- Slug
- triangle-over-chicago-west-suburbs-rt-171-il-2005-26fbfb
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…
In context
- One of 1 documented reports from Chicago- West Suburbs- Rt 171, IL in the UFOMYST archive.
- Illinois logged 209 sightings in 2005.
- Triangle sightings ran at 10.1% during the 2000s (archive average: 9%).
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.