UFOMYST
CaseCylinder2018

Mt. Vernon, IN, USA

Man reported he saw an emerald green cylinder for about 4 secs. while driving to work.

Report quality: Moderate47/100

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: 4s (an atypical range)
  • Moderate witness text (86 characters)
  • Location geocoded exactly
  • No other reports from this city within 3 days
When
2018-03-20
Where
Mt. Vernon, IN, USA
Shape
Cylinder
Duration
4 seconds
Geo
40.669, -85.824 · exact
Slug
cylinder-over-mt-vernon-in-2018-3f6b15
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…

    Open wave →

In context

  • Mt. Vernon, IN has 87 sightings on file here.
  • 2018 brought 92 reports from Indiana.
  • The 2010s skewed 1.5% cylinder reports; the archive-wide figure is 1.6%.

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.