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ENC-2894LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: approximateRECORD COMPLETENESS: 71%
UFO sightings in Europe
Summer and October 1953, January 1954, July 1954, August 1954, October 1954, December 1954
Multiple sightings reported by various witnesses, including airline pilots, radar operators, and military personnel.
// LINKED CLASSIFICATIONS:Official Investigations & Programs(P-000105)→
// PROVENANCE COVERAGE
71% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 1 PRIMARY
Date documented
Summer and October 1953, January 1954, July 1954, August 1954, October 1954, December 1954
Location documented
No location record is linked.
Map coordinates available
No latitude/longitude is available for mapping.
Catalogue classification linked
1 family link(s), 1 case-specific component(s).
Published citation-backed claims
0 encounter-target claim(s), 71 component claim(s).
Source coverage
1 unique source edition(s); 1 marked primary for at least one claim.
Assessment has encounter-level provenance
No substantive assessment fields require provenance.
This dossier currently depends on a single source edition; independent coverage would strengthen comparison.