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ÿAeronautical Charting
Natural Resources Canada > Earth Sciences Sector > Priorities > Aeronautical Charting
Aeronautical Charts
Enroute Charts
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Enroute charts, Canada and North Atlantic, provide aeronautical information for instrument navigation in the low and high airway structure of the Canadian Domestic Airspace, the airspace over foreign territory and international waters in which Canada accepts responsibility for the provision of air traffic control services and of other areas required for military use.

The primary purpose of enroute charts is to depict radio navigation data to provide rapid and precise location and identification of information requisite to radio instrument navigation. The enroute series consists of sixteen charts which provide complete coverage of Canada. The information on Quebec and the National Capital Region is presented in both official languages.


NOTE:
The information contained in the charts and publications are current only to the date of submission for printing. A NOTAM (Notice to Airmen) may amend or cancel the information on the aeronautical products, therefore the NOTAM must be consulted to ensure that current information is used for flight operations.


Enroute Low Altitude charts

The low altitude (LO) charts depict aeronautical radio information, airways system, controlled/uncontrolled airspace structure, special use airspace, communication stations and selected aerodromes.

Chart number – 10 low altitude charts : LO 1-2, LO 3-4, LO 5-6, LO 7-8 and LO 9-10

Vertical coverage – From the surface up to, but not including 18,000′ ASL (above sea level)

Design criteria – International Civil Aviation Organization (ICAO) Canadian standard specifications and Canadian users' requirements

Updating – The LO charts are revised and re-issued every 56 days and are printed back to back on five sheets, accordion folded

Scale – Various

Projection – Lambert Conformal Conic


Enroute High Altitude charts

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

Chart number – 6 high altitude charts : HI 1-2, HI 3-4 and HI 5-6

Vertical coverage – From 18,000′ ASL and above

Design criteria – International Civil Aviation Organization (ICAO) Canadian standard specifications and Canadian users' requirements

Updating – The HI enroute charts are revised and re-issued every 56 days and are printed back to back on three sheets, accordion folded

Scale – Various

Projection – Lambert Conformal Conic




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2006-10-10Important notices