Under the IALA-A Buoyage System, a buoy...

Question 1 / 2066636ee928f7522a1c5198e7

Question 1 of 2066636ee928f7522a1c5198e7

Under the IALA-A Buoyage System, a buoy indicating that the preferred channel is to port when entering from seaward, can have a __________.

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Question 1 of 20

66636ee928f7522a1c5198e7

Under the IALA-A Buoyage System, a buoy indicating that the preferred channel is to port when entering from seaward, can have a __________.

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🔍 Key Concepts

• IALA-A lateral marks: colors, shapes, and topmarks for port and starboard buoys when entering from seaward • Preferred channel (bifurcation) marks: how they differ from simple lateral marks in color pattern and light characteristics • Difference between IALA-A and IALA-B systems in terms of port/starboard colors

💭 Think About

• First, recall what color is used for port-hand lateral marks in the IALA-A system when entering from seaward, and what shapes they normally have • Then think about how a preferred channel to port mark is shown: what main color dominates, and what additional color or light pattern is added to show that the main channel is to one side • Compare each answer choice with the standard features of a preferred channel mark: does that feature indicate simple port/starboard, or does it specifically indicate a bifurcation with a preferred side?

✅ Before You Answer

• Verify the standard color and shape of basic port-hand and starboard-hand lateral marks in IALA-A • Check what color pattern is used only on preferred channel (bifurcation) marks, not on ordinary lateral buoys • Confirm which light characteristic belongs to preferred channel marks versus normal lateral marks (e.g., single flashing vs group-flashing patterns)

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Question 1 of 20

Under the IALA-A Buoyage System, a buoy indicating that the preferred channel is to port when entering from seaward, can have a __________.

green light

can shape

red-and-green vertical stripes

group-flashing (2) light

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Question 1 / 2066636ee928f7522a1c5198e7

Question 1 of 2066636ee928f7522a1c5198e7

Under the IALA-A Buoyage System, a buoy indicating that the preferred channel is to port when entering from seaward, can have a __________.

Back

Question 1 of 20

66636ee928f7522a1c5198e7

Under the IALA-A Buoyage System, a buoy indicating that the preferred channel is to port when entering from seaward, can have a __________.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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— No credit card needed