← ENCOUNTERS DIRECTORYENCOUNTER-CLAIM PROVENANCE PRESENT
E-009523LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%
Nha Trang Base-Wide Electrical-Failure UFO Report
June 19, 1966Nha Trang U.S. Army base area, Khanh Hoa, Vietnam
Hall recounts a brightly glowing object descending over the U.S. Army base at Nha Trang, hovering while generators, aircraft, bulldozers and other vehicles reportedly stopped, then departing vertically at very high apparent speed.
// LINKED CLASSIFICATIONS: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
June 19, 1966
Location documented
Nha Trang U.S. Army base area, Khanh Hoa, Vietnam
Map coordinates available
Coordinate precision: city.
Catalogue classification linked
1 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 estimate1
Stored verified-report count0
Instrumental evidence flagNO
Official investigation flagYES
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: CITY