← ENCOUNTERS DIRECTORYDIRECT PROVENANCE INCOMPLETE
E-009508LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 29%
Tehran F-4 Radar-Visual Intercept and System-Failure Report
September 19, 1976Tehran airspace, Tehran, Iran
Hall summarizes the Tehran incident in which two successive Iranian F-4 interceptors attempted to approach a radar-visual target and reportedly experienced weapons/electronic system failures when preparing to engage it. He notes a U.S. DIA report regarded the case as outstanding.
// PROVENANCE COVERAGE
29% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
0 SOURCES · 0 PRIMARY
Date documented
September 19, 1976
Location documented
Tehran airspace, Tehran, Iran
Map coordinates available
No latitude/longitude is available for mapping.
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
Assessment fields exist, but no encounter-target published citation-backed claim currently supports them.
Assessment values are present without encounter-target published citation-backed claims. Treat the matrix as unprovenanced metadata until direct claims are added.
Witness totals are stored, but no encounter-level cited claim currently documents where those numbers came from.
// ASSESSMENT METADATA
Stored case-assessment fields
Stored total witness estimate4
Stored verified-report count0
Instrumental evidence flagYES
Official investigation flagYES
These stored assessment values are shown transparently but should not be treated as source-backed facts until encounter-target claims cite their provenance.