Spring Grove, PA, USA
A row of lights that keep fading in and then disappearing only to reappear again.
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: 10800s, a plausible sighting length
- Moderate witness text (81 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 2010-08-18
- Where
- Spring Grove, PA, USA
- Shape
- Disk
- Duration
- 3+ hrs
- Geo
- 39.875, -76.866 · exact
- Slug
- disk-over-spring-grove-pa-2010-c73b90
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
- Spring Grove, PA has 7 sightings on file here.
- 2010 brought 171 reports from Pennsylvania.
- The 2010s skewed 3.8% disk reports; the archive-wide figure is 5.9%.
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.