Aliases
Disambiguation
Refers to a structured observational category in UAP/UFO investigation documentation, not a person, organization, or specific program. It is a phenomenological descriptor used to classify how UAP depart or disappear from observation.
Stats
Concept
A categorical descriptor in UAP/UFO investigation documenting the method by which an observed object exits an observer's field of view or becomes undetectable—including instant vanishing, gradual fading, rapid acceleration, or directional changes.
Um descritor categórico em investigação UAP/UFO que documenta o método pelo qual um objeto observado sai do campo de visão do observador ou se torna indetectável — incluindo desaparecimento instantâneo, desvanecimento gradual, aceleração rápida ou mudanças de direção.
Enrichment
- Project BLUE BOOK - Unidentified Flying ObjectsNational Archives▎ high· 2026-05-14
- Project Blue Book documented 12,618 UFO sightings
- 701 cases remained classified as 'Unidentified'
- Standard investigative variables included manner of appearance/disappearance
- Project Blue BookWikipedia▎ high· 2026-05-14
- Project Blue Book ran from 1951-1969
- J. Allen Hynek developed Close Encounter classification system
- Sightings were analyzed across multiple observational characteristics
- Presidential Unsealing and Reporting System for UAP EncountersU.S. Department of War▎ high· 2026-05-14
- Current government documentation framework for UAP reports
- Systematic classification of unidentified aerial phenomena
- Multi-agency coordination for UAP investigation and records disclosure
Manner of Disappearance
Description (EN)
Low-signal entity — referenced 13 time(s) across 2 document(s). No external enrichment performed (criteria: ≥3 mentions). Use the page references below for raw context.
Descrição (PT-BR)
Entidade de baixo sinal — referenciada 13 vez(es) em 2 documento(s). Sem enriquecimento externo (critério: ≥3 menções). Use as referências de páginas abaixo para contexto bruto.