Ceiling And Visibility OK

Ceiling And Visibility OK

Ceiling And Visibility OK (« CAVOK ») est un terme météorologique utilisé en aéronautique signifiant :

  • visibilité ≥ 10 km,
  • pas de nuage au dessous du plus élevé des niveaux suivants :
    • l’altitude minimale de secteur la plus élevée
    • 5000 ft (1 500 m)
  • pas de temps significatif,
  • pas de CB (cumulonimbus) ni de TCU (Cumulus Congestus autrement appelé Tower Cumulus).


Ce terme peut être utilisé dans un METAR, un SPECI ou un TAF.

(fr) Portail Aéronautique Météo France



Wikimedia Foundation. 2010.

Contenu soumis à la licence CC-BY-SA. Source : Article Ceiling And Visibility OK de Wikipédia en français (auteurs)

Игры ⚽ Поможем сделать НИР

Regardez d'autres dictionnaires:

  • Ceiling balloon — A ceiling balloon is used by meteorologists to determine the height of the base of clouds above ground level during daylight hours.The principle behind the ceiling balloon is a balloon with a known ascent rate (how fast it climbs) and determining …   Wikipedia

  • ceiling — Synonyms and related words: CAT, acme, aerospace, aerosphere, air hole, air pocket, airspace, all, altitude, altitude peak, apogee, atmospheric visibility, automatic control, blast off, border line, bottom price, bound, boundary, boundary… …   Moby Thesaurus

  • Ceiling Zero — Infobox Film name = Ceiling Zero director = Howard Hawks producer = Jack Warner Hal Wallis writer = Frank Wead editor = William Holmes special effects = Fred Jackman music = Leo Forbstein cinematography = Arthur Edeson sound = Oliver Garretson… …   Wikipedia

  • visibility — Synonyms and related words: CAT, aerospace, aerosphere, air hole, air pocket, airspace, apparentness, bump, ceiling, clearness, crosswind, crystal clearness, distinctness, empty space, evidence, evidentness, favorable wind, fog, front, head wind …   Moby Thesaurus

  • Sistine Chapel ceiling — The Sistine Chapel ceiling, painted by Michelangelo between 1508 and 1512, is one of the most renowned artworks of the High Renaissance. The ceiling is that of the large Sistine Chapel built within the Vatican by Pope Sixtus IV, begun in 1477 and …   Wikipedia

  • Art, Antiques, and Collections — ▪ 2003 Introduction       In 2002 major exhibitions such as Documenta 11 reflected the diverse nature of contemporary art: artists from a variety of cultures received widespread recognition for work ranging from installation to video to painting …   Universalium

  • Church of St. Luke and The Epiphany (Philadelphia) — Church of St. Luke and The Epiphany Church of St. Luke and The Epiphany …   Wikipedia

  • Business and Industry Review — ▪ 1999 Introduction Overview        Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …   Universalium

  • Canadian Car and Foundry FDB-1 — infobox Aircraft name = Gregor FDB 1 type = Fighter manufacturer = Canadian Car and Foundry caption = L R: George Ayde, Can Car representative David Boyd and designer Michael Gregor designer = Michael Gregor first flight = 17 December 1938… …   Wikipedia

  • Lasers and aviation safety — Under certain conditions, laser light or other bright lights (spotlights, searchlights) directed at aircraft can be a hazard. The most likely scenario is when a bright visible laser light causes distraction or temporary flash blindness to a pilot …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”