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ENC-000914LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 57%
Kenneth Arnold Mount Rainier Sighting
June 24, 1947 at approximately 14:58 PSTMount Rainier / Cascade Range, Washington, United States
Private pilot Kenneth Arnold observed nine gleaming, disc-shaped aircraft flying in an undulating echelon formation past Mount Rainier at an estimated 1,200 mph.
// PROVENANCE COVERAGE
57% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
0 SOURCES · 0 PRIMARY
Date documented
June 24, 1947 at approximately 14:58 PST
Location documented
Mount Rainier / Cascade Range, Washington, United States
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
0 family link(s), 0 case-specific component(s).
Published citation-backed claims
0 encounter-target claim(s), 0 component claim(s).
Source coverage
0 unique source edition(s); 0 marked primary for at least one claim.
Assessment has encounter-level provenance
No substantive assessment fields require provenance.
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION