← ENCOUNTERS DIRECTORYENCOUNTER-CLAIM PROVENANCE PRESENT
E-009536LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%
Japan Airlines Flight 1628 Alaska Encounter
November 17, 1986Fort Yukon–Fairbanks airspace, Alaska, United States
The three-person JAL 747 freighter crew reported two smaller luminous objects and later a very large Saturn/walnut-shaped object following the aircraft over Alaska. Hall discusses both visual testimony and disputed radar interpretation in subsequent FAA statements.
// LINKED CLASSIFICATIONS:Saturn / Ringed(C-000258)→Physical Trace & Environmental Effects(P-000103)→
// PROVENANCE COVERAGE
100% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 1 PRIMARY
Date documented
November 17, 1986
Location documented
Fort Yukon–Fairbanks airspace, Alaska, United States
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
2 family link(s), 1 case-specific component(s).
Published citation-backed claims
2 encounter-target claim(s), 2 component claim(s).
Source coverage
1 unique source edition(s); 1 marked primary for at least one claim.
Assessment has encounter-level provenance
2 encounter-target published claim(s) can carry assessment provenance.
This dossier currently depends on a single source edition; independent coverage would strengthen comparison.
// ASSESSMENT METADATA
Stored case-assessment fields
Stored total witness estimate3
Stored verified-report count0
Instrumental evidence flagYES
Official investigation flagYES
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION