
Navigate the rugged western reaches of the Inside Passage with the professional authority of the Canadian Hydrographic Service (CHS). Chart 3733 is the definitive 1:20,000 scale "road map" for mariners, providing the granular detail required for safe passage through Catala Passage and the complex reef systems of western Milbanke Sound.
The waters surrounding Price Island and the Catala Passage are characterized by numerous rocky outcrops, shifting currents, and critical navigational aids. CHS Chart 3733 provides the "ground-truth" data required for safe pilotage:
Catala Passage & Price Island: Features high-resolution bathymetry for the passage between Price Island and the surrounding archipelagos, identifying safe leads through narrow corridors.
McInnes Island Approaches: Detailed mapping for the waters near McInnes Island, including critical data for the McInnes Island Light, a vital landfall mark for mariners transiting toward Laredo Sound.
Hazard & Reef Intelligence: Explicitly marks submerged rocks, drying reefs, and shoals common to the western side of Milbanke Sound, ensuring situational awareness in varying visibility.
Essential Navigational Data: Shows precise water depths, nature of the sea bottom (rock, mud, or sand), and the configuration of the coast, which are vital for securing safe anchorages in these remote northern waters.
With the increasing commercial and recreational traffic along the Central Coast of British Columbia, the reliability of Chart 3733 is more vital than ever. Specifically designed to meet the rigorous requirements of marine navigation, this official CHS chart delivers the accuracy and detail needed to navigate these technical waters with total confidence.
| Feature | Details |
| Chart Number | 3733 |
| Region | Pacific Coast (Central BC Coast / Milbanke Sound) |
| Scale | 1:20,000 (High-Resolution Detail) |
| Dimensions | 24" x 34" (Standard Paper Size) |
| Publisher | Canadian Hydrographic Service (CHS) |
| Key Coverage | Catala Passage, Price Island, McInnes Island, West Milbanke Sound |
| Compliance | Meets official carriage requirements for safe marine navigation |