← ENCOUNTERS DIRECTORY
ENC-000916LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 86%
Washington National Airport Radar-Visual Flap
Nights of July 19-20 and July 26-27, 1952Washington National Airport / Prohibited Airspace P-56, District of Columbia, United States
Multiple anomalous targets tracked by CAA air traffic controllers and Andrews AFB tower controllers, verified visually by commercial airliners and pursued by USAF F-94 jet interceptors over two consecutive weekends.
// PROVENANCE COVERAGE
86% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 1 PRIMARY
Date documented
Nights of July 19-20 and July 26-27, 1952
Location documented
Washington National Airport / Prohibited Airspace P-56, District of Columbia, United States
Map coordinates available
Coordinate precision: site.
Catalogue classification linked
0 family link(s), 0 case-specific component(s).
Published citation-backed claims
4 encounter-target claim(s), 0 component claim(s).
Source coverage
1 unique source edition(s); 1 marked primary for at least one claim.
Assessment has encounter-level provenance
No substantive assessment fields require provenance.
This dossier currently depends on a single source edition; independent coverage would strengthen comparison.
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: SITE