CHS Chart 3947: Grenville Channel to/à Chatham Sound

CHS Chart 3947, Grenville Channel to Chatham Sound, is an approach chart from the Canadian Hydrographic Service covering waters in British Columbia.

It is drawn at a natural scale of 1:40,000; 1:20,001 to 1:50,000 is the CHS approach range, which CHS uses for approaching the coast where a lot of detail is required. We always ship the most current edition available, charts ship to us directly from Canadian Hydrographic. Check Canadian Notices to Mariners for corrections published after printing.