← ENCOUNTERS DIRECTORYENCOUNTER-CLAIM PROVENANCE PRESENT
E-006336LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%
E. J. Smith United Airlines Disc Formation
July 4, 1947Boise-Portland air route, Idaho / Oregon, United States
Captain E. J. Smith and crew reported two groups of flat round objects ahead of their DC-3 on the Boise-Portland route, visible for roughly ten minutes and opening and closing formation.
// PROVENANCE COVERAGE
100% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 0 PRIMARY
Date documented
July 4, 1947
Location documented
Boise-Portland air route, Idaho / Oregon, United States
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
2 family link(s), 2 case-specific component(s).
Published citation-backed claims
1 encounter-target claim(s), 4 component claim(s).
Source coverage
1 unique source edition(s); 0 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.
No cited source is currently marked as primary for the published claims shown here.
// ASSESSMENT METADATA
Stored case-assessment fields
Stored total witness estimate2
Stored verified-report count0
Instrumental evidence flagNO
Official investigation flagNO
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION