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ENC-2882LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: approximateRECORD COMPLETENESS: 71%
UFO sighting near Topcliffe Aerodrome
September 22, 1952
A pilot in a Meteor jet was able to get close to a UFO, which was described as 'round, silvery, and white.'
// PROVENANCE COVERAGE
71% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 1 PRIMARY
Date documented
September 22, 1952
Location documented
No location record is linked.
Map coordinates available
No latitude/longitude is available for mapping.
Catalogue classification linked
0 family link(s), 1 case-specific component(s).
Published citation-backed claims
0 encounter-target claim(s), 33 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.