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E-006342LANDMARK CASE · HIGH CORROBORATIONDATE PRECISION: exactRECORD COMPLETENESS: 100%

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)→Scientific & Observational Types(P-000101)→
Claims are displayed with the source wording, locator, relationship and verification state. Competing claims remain separate rather than being averaged into a single answer.
SOURCE COMPARISON

Encounter · Reported Encounter Observation

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CLAIM-689107reported
“A United Press item quoted TWA pilot Charles Kratovil saying that he and two crewmates saw a large white disc-shaped object about ten miles north of Boston following the same course as their aircraft.”
The UFO Evidence
SRC-002107 · Charles Kratovil TWA report / United Press item; uploaded PDF pp. 58-59
SUPPORTS
SOURCE COMPARISON

Encounter · Investigation Source Caveat

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CLAIM-689108reported
“The Air Force reportedly suggested a weather balloon; the pilots objected that the reported object was traveling against the wind.”
The UFO Evidence
SRC-002107 · Weather-balloon explanation and pilot objection; uploaded PDF pp. 58-59
SUPPORTS
SOURCE COMPARISON

Hall Pilots & Aviation Experts Dossier · Investigation Source Caveat

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CLAIM-689087reported
“Hall argues that airline and military pilots are unusually experienced sky observers because their work requires repeated exposure to weather, aircraft, meteors, planets, and aviation hazards.”
The UFO Evidence
SRC-002107 · Section opening: pilot experience and evidentiary rationale; uploaded PDF pp. 52-53
SUPPORTS
CLAIM-689088reported
“Hall groups pilot reports into three broad patterns: geometrical objects, maneuvering or gyrating lights, and cigar-shaped or rocket-like objects.”
The UFO Evidence
SRC-002107 · The Patterns: three pilot-report groupings; uploaded PDF pp. 53-53
SUPPORTS
Multiple claim rows are intentionally retained when sources disagree. ANOMALY does not silently reconcile competing values.
SOURCE COMPARISON

Hall Pilots & Aviation Experts Dossier · Government Policy Decision

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CLAIM-689089reported
“Hall notes that airline pilots were included in the CIRVIS vital-intelligence reporting system and cites 1954 meetings between airline representatives and MATS intelligence to speed reporting of unusual aerial objects.”
The UFO Evidence
SRC-002107 · CIRVIS / MATS reporting-system discussion; uploaded PDF pp. 52-53
SUPPORTS
Kratovil TWA White Disc North of Boston (June 1, 1954): Evidence Dossier & Witness Reports | ANOMALY | ANOMALY UAP Archive & Controlled Vocabulary