Canadian Hydrographic Service - Levels of Service
A classification is used to determine a Level of Service for charts and other CHS products and services. The risk levels are defined as High, Medium and Low with the High-risk areas receiving more of our resources and more frequent updates. Many factors are considered in the risk assessments such as the number of accidents in a given area, tanker routes, traffic, infrastructure, navigational complexity, and more.
For more information, please visit the Levels of Service section of the Canadian Hydrographic Services web site.
Access and Constraints
Please review the Canadian Hydrographic Copyright and Licensing website for details.
Layers and Data
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