4722 - Terrington Basin | Canadian Hydrographic Service Marine Map

The Canadian Hydrographic Service (CHS) Chart 4722 is an official, high-precision marine navigation chart designed for commercial shipping fleets, industrial transport vessels, and regional operators navigating the critical inner waters of Terrington Basin, situated at the western terminus of Lake Melville in Labrador. This authoritative nautical chart provides the vital "ground-truth" data required for safe passage planning, dock approaches, and heavy-tonnage maneuvering into the vital port facilities of Happy Valley-Goose Bay.

Key Features & Hydrographic Data Included:

• Detailed Harbor & Basin Approaches: Delivers an exceptional, high-resolution layout focusing directly on Terrington Basin and its immediate approach channels, mapping out shallow banks and narrow shipping lanes.

• Official Bathymetric & Siltation Monitoring: Packed with precise depth soundings, shifting sediment contour lines, and localized seafloor characteristics essential for managing safe draft clearance and secure anchoring in a river-fed basin environment.

• Essential Aids to Navigation: Explicitly details all official maritime buoys, coastal light markers, range lights, daybeacons, and prominent land topography to ensure high-visibility situational awareness during low-visibility subarctic fog or night transits.

• Premium Multi-Light Legibility: Printed with vibrant, high-contrast marine inks specifically engineered to maintain absolute clarity under direct cabin sunlight or 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 government vessels requiring official hydrographic documentation.