CaseSphere1998
Lincoln, MA, USA
Sole witness to object. At Hanscom Field/Hanscom Air Force Base watching aircraft. I am a self taught expert on all types of aircraft
Report quality: Moderate55/100
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: 300s, a plausible sighting length
- Detailed witness text (133 characters)
- Location geocoded exactly
- No other reports from this city within 3 days
- When
- 1998-07-11
- Where
- Lincoln, MA, USA
- Shape
- Sphere
- Duration
- 5 minutes
- Geo
- 42.426, -71.304 · exact
- Slug
- sphere-over-lincoln-ma-1998-a8ff47
In context
- Lincoln, MA has 5 sightings on file here.
- 1998 brought 27 reports from Massachusetts.
- The 1990s skewed 5.9% sphere reports; the archive-wide figure is 6.5%.
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.