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E-009511LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%
Pereslavl-Zalesskiy Fighter Radar/Visual Intercept
March 21, 1990Pereslavl-Zalesskiy area, Yaroslavl Oblast, Russia
Hall summarizes a Soviet/Russian military intercept in which Lt. Col. Semenchenko was directed toward an unidentified radar target, observed two bright lights, received no identification response, and reportedly obtained radar-gunsight lock.
// LINKED CLASSIFICATIONS: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
March 21, 1990
Location documented
Pereslavl-Zalesskiy area, Yaroslavl Oblast, Russia
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
1 family link(s), 1 case-specific component(s).
Published citation-backed claims
1 encounter-target claim(s), 1 component claim(s).
Source coverage
1 unique source edition(s); 1 marked primary for at least one claim.
Assessment has encounter-level provenance
1 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 estimate1
Stored verified-report count0
Instrumental evidence flagYES
Official investigation flagYES
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION