← ENCOUNTERS DIRECTORYDIRECT PROVENANCE INCOMPLETE
E-006342DATE PRECISION: exactRECORD COMPLETENESS: 43%
Kratovil TWA White Disc North of Boston
June 1, 1954North of Boston, Massachusetts, United States
TWA pilot Charles Kratovil and two crewmates reported a large white disc-shaped object north of Boston moving on the same course as their aircraft; a United Press account says the Air Force suggested a weather balloon, while the pilots emphasized that it was traveling against the wind.
// LINKED CLASSIFICATIONS:Disc / Saucer(C-000253)→
// PROVENANCE COVERAGE
43% record completeness
This measures documentation coverage, not whether the encounter or its claims are true.
0 SOURCES · 0 PRIMARY
Date documented
June 1, 1954
Location documented
North of Boston, Massachusetts, United States
Map coordinates available
No latitude/longitude is available for mapping.
Catalogue classification linked
1 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 estimate3
Stored verified-report count0
Instrumental evidence flagNO
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.