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 Enroute Low and High
Altitude charts 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
services and 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.
Enroute Low Altitude charts (LO) depict aeronautical
radio information, airways system, controlled/uncontrolled
airspace structure, special use airspace, communication
stations and selected aerodromes. Vertical coverage is from
the surface up to, but not including 18,000' asl.
Enroute High Altitude charts (HI) depict aeronautical
navigation information, airways system, special use
airspace, communication stations critical for flight in the
high level structure. Vertical coverage is from 18,000'
asl and above.
A series of 16 charts provides complete coverage of Canada.
Information on Quebec and the National Capital Region is
presented in bilingual format. The charts are printed
back-to-back on eight sheets and are updated every 56
days.
Publication
Schedule
See our
Subscription Details for ordering information.
The charts and publications are also
available through our network of regional distributors. See
the
List of Distributors.
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