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E-005004LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%
Hanford F-94 Radar-Visual Encounter
December 10, 1952Hanford nuclear site, Washington, Washington, United States
Citing former Project Blue Book chief Edward Ruppelt, Hastings describes an F-94 crew seeing a large round white object near Hanford, obtaining radar lock after losing visual contact, and reporting evasive reversals or dives when attempting to close.
// LINKED CLASSIFICATIONS:Nuclear & Defense Incursions(P-000102)→
// PROVENANCE COVERAGE
100% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
2 SOURCES · 1 PRIMARY
Date documented
December 10, 1952
Location documented
Hanford nuclear site, Washington, Washington, United States
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
1 family link(s), 0 case-specific component(s).
Published citation-backed claims
1 encounter-target claim(s), 0 component claim(s).
Source coverage
2 unique source edition(s); 1 marked primary for at least one claim.
Assessment has encounter-level provenance
No substantive assessment fields require provenance.
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION