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E-009593LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%
Cash-Landrum Heat / Helicopter Close Encounter
1980-12-29Huffman roadway, Texas, United States
Betty Cash, Vickie Landrum and Colby Landrum reported an intensely bright diamond/spindle-like object emitting flame bursts and severe heat, followed by numerous helicopters. The witnesses developed significant medical symptoms. Later investigation found them credible but did not establish the helicopters' military provenance or a documented government-owned craft.
// LINKED CLASSIFICATIONS:Angular / Pyramid / Spindle / Diamond(C-000263)→Scientific & Observational Types(P-000101)→
// PROVENANCE COVERAGE
100% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 1 PRIMARY
Date documented
1980-12-29
Location documented
Huffman roadway, Texas, United States
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
2 family link(s), 1 case-specific component(s).
Published citation-backed claims
2 encounter-target claim(s), 2 component claim(s).
Source coverage
1 unique source edition(s); 1 marked primary for at least one claim.
Assessment has encounter-level provenance
2 encounter-target published claim(s) can carry assessment provenance.
This dossier currently depends on a single source edition; independent coverage would strengthen comparison.
// ASSESSMENT METADATA
Stored case-assessment fields
Stored total witness estimate3
Stored verified-report count0
Instrumental evidence flagNO
Official investigation flagYES
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION