CaseOther1999

Northern California (16,500 ft over Sierra Mountains), CA, USA

Name: UFO sighting — Northern California (16,500 ft over Sierra Mountains), CA, USA
Start: 1999-09-01
Location: Northern California (16,500 ft over Sierra Mountains), CA, USA

6-7 flaming light objects with comet-like tails viewed by pilot of aircraft at 16,500 feet in dark over Sierra Mountains.

Report quality: Moderate49/100

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: 90s, a plausible sighting length
Detailed witness text (121 characters)
Location could not be geocoded
No other reports from this city within 3 days

When: 1999-09-01
Where: Northern California (16,500 ft over Sierra Mountains), CA, USA
Shape: Other
Duration: 1min 30 sec
Geo: —
Slug: other-over-northern-california-16-500-ft-over-sierra-mountains-ca-1999-557c1a

In context

One of 1 documented reports from Northern California (16,500 ft over Sierra Mountains), CA in the UFOMYST archive.
California logged 407 sightings in 1999.
Other sightings ran at 8% during the 1990s (archive average: 6.9%).

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.