5391 - Douglas Harbour & Approaches Nautical Chart

The Canadian Hydrographic Service (CHS) Chart 5391 is an official, high-precision marine navigation chart engineered for commercial shipping fleets, industrial supply vessels, and Arctic operators navigating the northern coast of Nunavik, Quebec. Published at a detailed scale of 1:37,500, this authoritative nautical asset provides critical "ground-truth" coastal data required for safe passage planning, shallow-water maneuvering, and approach routing into Douglas Harbour (Tasiujaq) and its surrounding Hudson Strait approaches.

Key Features & Hydrographic Data Included:

• Detailed High-Resolution Harbour Mapping: Delivers continuous, high-definition charting across the sheltered waters, inlets, and rugged coastal terrain of Douglas Harbour and its immediate approaches.

• Official Bathymetric & Seafloor Data: Packed with precise localized depth soundings, undersea contour transitions, low-tide marine benchmarks, and subarctic reef hazards essential for managing safe draft clearance and secure anchoring.

• Essential Aids to Navigation: Explicitly details official maritime buoys, coastal light stations, daybeacons, and prominent shoreline topography to ensure maximum situational awareness during low-visibility subarctic conditions or night transits.

• Premium Multi-Light Legibility: Printed with vibrant, high-contrast marine inks specifically engineered to maintain absolute clarity under both direct pilothouse sunlight and dim red-light night-deck setups.

• Legal Vessel Compliance: Fully satisfies international SOLAS (Safety of Life at Sea) carriage regulations and Canada Shipping Act mandates for commercial and recreational vessels requiring official hydrographic documentation.