Indianapolis, IN, USA
VERY unusual loud ongoing 'engine' noise for 25 minutes or more in the sky - invisible
Report quality: Moderate51/100
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: 1500s, a plausible sighting length
- Moderate witness text (86 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 2018-09-21
- Where
- Indianapolis, IN, USA
- Shape
- Unknown
- Duration
- 25 minutes or more
- Geo
- 39.768, -86.158 · exact
- Slug
- unknown-over-indianapolis-in-2018-ae7b9e
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
- This is one of 248 reports logged in Indianapolis, IN.
- This case is one of 92 Indiana reports filed in 2018.
Nearby in space & time
within 30 daysReport
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.