Home › CFR › Title 33 › Part 16633 CFR Part 166 — Shipping Safety FairwaysSubpart A — General§ 166.100— Purpose.§ 166.103— Geographic coordinates.§ 166.105— Definitions.§ 166.110— Modification of areas.Subpart B — Designations of Fairways and Fairway Anchorages§ 166.200— Shipping safety fairways and anchorage areas, Gulf of America.§ 166.300— Areas along the coast of California.§ 166.400— Areas along the coast of Alaska.§ 166.500— Areas along the Atlantic Coast.