7404 Nautical Chart: Frozen Strait, Lyon Inlet and Approaches | Official CHS Chart

Navigate the remote and challenging waters of the Canadian Arctic with the Official CHS Chart 7404. This specialized nautical chart provides vital coverage for Frozen Strait, Lyon Inlet, and their strategic approaches, located in the Kivalliq region of Nunavut.

As a genuine Canadian Hydrographic Service (CHS) publication, Chart 7404 is an essential resource for vessels transiting the Foxe Basin and the northern reaches of Hudson Bay. At a scale of 1:200,000, it offers the necessary detail for navigating these high-latitude corridors, which are often characterized by complex ice conditions, powerful tidal influences, and rugged coastal topography. This chart is a critical component for safe passage through the intricate channels surrounding Southampton Island and the Melville Peninsula.

Key Features include:

• Arctic Frontier Coverage: Precise mapping of the Frozen Strait and Lyon Inlet, providing a clear picture of the passages connecting the central Arctic waterways.

• Official Data Accuracy: Compiled by the CHS to ensure full compliance with the Canada Shipping Act and international maritime carriage requirements for professional and expeditionary vessels.

• Hydrographic Detail: Features authoritative bathymetry and soundings designed for the unique challenges of northern navigation, where keel clearance is paramount.

• Navigational Hazards & Aids: Clearly identifies coastal landmarks, shoals, and underwater hazards essential for safe transit in frequently ice-congested waters.