CaseChanging2008

Denver, CO, USA

Pulsed Contrail

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: 600s, a plausible sighting length
  • Brief witness text (15 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2008-12-02
Where
Denver, CO, USA
Shape
Changing
Duration
10 minutes
Geo
39.739, -104.985 · exact
Slug
changing-over-denver-co-2008-a10227
Wave

Part of a wave

  • Historical wave2004

    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

  • Denver, CO has 317 sightings on file here.
  • 2008 brought 99 reports from Colorado.
  • The 2000s skewed 2.8% changing reports; the archive-wide figure is 2.5%.

Nearby in space & time

within 30 days

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.