CaseDiamond2015

Chelsea, MI, USA

Diamond shaped dark object hovering.

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: 900s, a plausible sighting length
  • Brief witness text (36 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2015-01-28
Where
Chelsea, MI, USA
Shape
Diamond
Duration
15 minutes
Geo
42.318, -84.022 · exact
Slug
diamond-over-chelsea-mi-2015-2275bc
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

  • Chelsea, MI shows up 9 times across the archive.
  • 186 reports came from Michigan in 2015.
  • In the 2010s, 1.5% of reports described a diamond — the all-time rate is 1.4%.

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.