verified detailed answers || ||
ATON - ✔✔The U.S. Aids to Navigation System
|| || || || || || ||
Green Lateral Marker - ✔✔Keep this marker on your left (port) side when returning
|| || || || || || || || || || || || || ||
from sea or heading upstream. Odd numbers will be displayed and will increase as
|| || || || || || || || || || || || || ||
you head upstream
|| ||
Red Lateral Marker - ✔✔Keep this marker to your right (starboard) side when
|| || || || || || || || || || || || ||
returning from sea. Even numbers will be displayed and will increase as you head
|| || || || || || || || || || || || || ||
upstream
Junction Buoy - ✔✔This marker is used where a channel splits into two and indicates
|| || || || || || || || || || || || || || ||
the main or preferred channel. You may pass on either side, but the main channel is
|| || || || || || || || || || || || || || || ||
indicated by the color on top. || || || || ||
Upstream - ✔✔Refers to the direction that is against the current
|| || || || || || || || || ||
Nun Buoys - ✔✔Cone-shaped and are always red in color, with even numbers
|| || || || || || || || || || || ||
Keep this marker to your right (starboard) side when heading in the upstream, or
|| || || || || || || || || || || || || ||
returning direction ||
Can Buoys - ✔✔Cylindrical-shaped and are always green in color, with odd numbers.
|| || || || || || || || || || || ||
Keep this marker to your left (port) side when heading in the upstream, or returning
|| || || || || || || || || || || || || || ||
direction
, Daymarks - ✔✔Either red triangles or green squares with odd numbers.
|| || || || || || || || || ||
Keep the red to your starboard side and the green to your port side when heading in
|| || || || || || || || || || || || || || || || ||
the upstream direction.
|| ||
The 3R Rule - ✔✔Red Right Returning
|| || || || || ||
Non-Lateral Informational Markers - ✔✔Gives you important information about the
|| || || || || || || || || ||
area in which you are boating
|| || || || ||
Information - ✔✔Square || ||
Displays information such as directions, distances, and locations in the area. Use
|| || || || || || || || || || || ||
information inside the square as a guide. || || || || || ||
Hazard - ✔✔Diamond || ||
Indicates presence of nearby dangers such as shoals and rocks. Information about the
|| || || || || || || || || || || || ||
hazard is displayed within the orange diamond.
|| || || || || ||
Control - ✔✔Circle || ||
Indicates rules in a controlled area, such as speed limits and wash restrictions. Follow
|| || || || || || || || || || || || || ||
the restrictions displayed within the orange circle.
|| || || || || ||
Keep-Out - ✔✔Diamond with crossing lines || || || || ||
Indicates exclusion or closed areas where boats are prohibited. Steer clear!
|| || || || || || || || || ||
Obstruction Marker - ✔✔Indicates an underwater obstruction. Do not pass between
|| || || || || || || || || || ||
this marker and the shoreline
|| || || ||