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Chapter 6: Navigation Aids

Informational and Regulatory Markers

Non-lateral markers will assist operation by providing information about the area, as boating. Here are a few examples of common non-lateral markers. These regulatory markers can be distinguished by their orange markings.

Control Markers (Circle)

Control Markers (Circle)

These markers indicate rules or restrictions which apply to the area. These controlled areas can have speed limits, wash restrictions, and other regulations which must be followed so always adhere to the rules within the orange circle.

Hazard Markers (Diamond)

Hazard Markers (Diamond)

These markers indicate danger and hazardous areas such as shoals and rocks. One can use the information found inside the orange diamond to help avoid these dangers. One can identify these by their orange diamonds.

Informational Markers (Square)

Informational Markers (Square)

These markers give directions, distances, and locations. One may use the information found inside the square to guide navigation. These markers feature orange squares.

Keep-Out Markers (Diamond + Cross)

Keep-Out Markers (Diamond + Cross)

These markers indicate a prohibited area which is closed off. For instance, these areas could be sectioned off swim areas or areas with fragile wildlife. Either way, steer clear and never cross these boundaries. These markers feature a diamond with an orange cross.

Mooring Markers

Mooring Markers

These markers are used to secure or moor a vessel. These are the only markers which can be legally tied to a boat, so keep in mind that this marker may be attached to one.

Obstruction Markers

Obstruction Markers

These markers indicate an obstruction which is concealed underwater. Never pass between this marker and the shoreline.

Safe Water Markers

Safe Water Markers

These markers indicate areas of safe water. These markers assist one by displaying the water which is safe to navigate and by marking the presence of channel entrances, channel centers or landfalls. One may pass these markers on either side.