← ENCOUNTERS DIRECTORYENCOUNTER-CLAIM PROVENANCE PRESENT
E-006101LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: monthRECORD COMPLETENESS: 86%
Catherine February 1991 Missing-Time Drive
late February 1991Somerville / Greater Boston driving route, Massachusetts, United States
After leaving work around midnight, Catherine drove north past her Somerville home and later found about forty-five minutes she could not account for. The next day she learned of a separately reported Boston-area UFO whose mapped path was in the same general direction; she did not remember seeing the object.
// PROVENANCE COVERAGE
86% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
1 SOURCES · 0 PRIMARY
Date documented
late February 1991
Location documented
Somerville / Greater Boston driving route, Massachusetts, United States
Map coordinates available
Coordinate precision: region.
Catalogue classification linked
0 family link(s), 0 case-specific component(s).
Published citation-backed claims
2 encounter-target claim(s), 0 component claim(s).
Source coverage
1 unique source edition(s); 0 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.
No cited source is currently marked as primary for the published claims shown here.
// ASSESSMENT METADATA
Stored case-assessment fields
Stored total witness estimate1
Stored verified-report count1
Instrumental evidence flagNO
Official investigation flagNO
// ENCOUNTER LOCATION · OPENSTREETMAP
COORDINATE PRECISION: REGION