The Government of Canada’s terminology and linguistic data bank.

high altitude chart [1 record]

Record 1 2007-04-27


Subject field(s)
  • Air Navigation Aids
  • Aircraft Piloting and Navigation
  • Air Traffic Control

The high altitude (HI) charts depict aeronautical navigation information, airways system, special use airspace, communication stations critical for flight in the high level structure.


Designed for navigation at or above 18,000 ft MSL [mean sea level].

Key term(s)
  • en route high altitude chart
  • high altitude en route chart
  • high en route chart
  • high level en route chart


  • Aides à la navigation aérienne
  • Pilotage et navigation aérienne
  • Circulation et trafic aériens

Les cartes de niveau supérieur (HI) fournissent les informations utiles à la navigation aérienne, aux systèmes de voies aériennes, à l'espace aérien à statut spécial, aux stations de communications décisives pour les vols à une altitude supérieure.


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