Lateral Marks vs. Cardinal Marks

Cardinal marks indicate direction relative to a hazard (north, south, east, west), while lateral marks show navigable channels (red/green). Boater ed ensures recognition of both systems.

Related Terms

Navigation Rules

The “rules of the road” for waterways, dictating right-of-way, overtaking procedures, and collisi...

Inland vs. International Rules

Inland rules apply in many U.S. domestic waters, while international rules govern seaward of spec...

Waterway Markers

Buoys and signs that provide navigation guidance (e.g., regulatory markers, channel markers, haza...

Buoy System

The arrangement of lateral or non-lateral buoys indicating safe channels, hazards, or controlled ...

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