CaseTriangle2017

Port Sanilac, MI, USA

Urgent sighting and possible encounter.

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: 10800s, a plausible sighting length
  • Brief witness text (39 characters)
  • Location geocoded exactly
  • 1 other report from the same city within 3 days
When
2017-07-05
Where
Port Sanilac, MI, USA
Shape
Triangle
Duration
3 hours
Geo
43.431, -82.542 · exact
Slug
triangle-over-port-sanilac-mi-2017-4de4cc
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

  • Port Sanilac, MI has 3 sightings on file here.
  • 2017 brought 134 reports from Michigan.
  • The 2010s skewed 8.4% triangle reports; the archive-wide figure is 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.