In the U.S. Aids to Navigation System, what...

Question 1 / 2707066636ee928f7522a1c51a47d

Question 1 of 2707066636ee928f7522a1c51a47d

In the U.S. Aids to Navigation System, what do red and green horizontally-banded buoys mark?

Question 1 of 27070

In the U.S. Aids to Navigation System, what do red and green horizontally-banded buoys mark?

🔍 Key Concepts

• U.S. Aids to Navigation System (US ATON) and the meaning of horizontally banded red/green buoys • The idea of a junction or split in a channel and how it is shown on buoys • Difference between special purpose marks (like fishing, anchorage) and lateral marks (channel edges and junctions)

💭 Think About

• Ask yourself: When would a mariner need both red and green on the same buoy, instead of on separate buoys? • Think about what information a horizontally-banded buoy gives that a simple red or green lateral buoy does not. • Compare which answer choices describe a place where you must decide between two different routes or channel sides.

✅ Before You Answer

• Verify what red/green horizontally banded buoys indicate in the U.S. Aids to Navigation System (not IALA A). • Confirm that fishing grounds and general anchorages are normally marked by special purpose marks (yellow or other distinctive shapes/marks), not standard red/green lateral marks. • Make sure you know whether these buoys are used where a channel splits or joins and that they tell you which side to keep depending on your direction of travel.

Question 1 of 27070

In the U.S. Aids to Navigation System, what do red and green horizontally-banded buoys mark?

Fishing grounds

Junctions or bifurcations

Channels for shallow draft vessels

General anchorage areas

Question 1 / 2707066636ee928f7522a1c51a47d

Question 1 of 2707066636ee928f7522a1c51a47d

In the U.S. Aids to Navigation System, what do red and green horizontally-banded buoys mark?

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Question 1 of 27070

In the U.S. Aids to Navigation System, what do red and green horizontally-banded buoys mark?