BOTH INTERNATIONAL & INLAND Which light(s)...

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Question 1 of 2066636eeb28f7522a1c51baf0

BOTH INTERNATIONAL & INLAND Which light(s) will be visible to a vessel overtaking another vessel?

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66636eeb28f7522a1c51baf0

BOTH INTERNATIONAL & INLAND Which light(s) will be visible to a vessel overtaking another vessel?

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🔍 Key Concepts

• Rule 13 – Overtaking of the Navigation Rules • Definition and arc of visibility of a sternlight vs sidelights and masthead lights • Relative bearing of an overtaking vessel (more than 22.5° abaft the beam) and what lights are shown from that angle

💭 Think About

• From directly behind or more than 22.5° abaft the beam, which lights are designed to be seen according to their arcs of visibility? • If you are overtaking, are you generally seeing the other vessel’s bow or stern, and how does that affect which navigation lights are visible? • Look at the definition of a sternlight in the Navigation Rules—what exact sector in degrees does it cover, and does that overlap with sidelights or masthead lights when viewed from aft?

✅ Before You Answer

• Review the arc of visibility for sidelights (green/red), masthead light(s), and sternlight as defined in the Navigation Rules (Annex I). • Confirm from the definitions whether sidelights are visible abaft the beam, or only from dead ahead to a certain number of degrees abaft the beam. • Ensure you are thinking from the perspective of the overtaking vessel looking at the vessel being overtaken, not the other way around.

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Question 1 of 2066636eeb28f7522a1c51baf0

BOTH INTERNATIONAL & INLAND Which light(s) will be visible to a vessel overtaking another vessel?

Back

Question 1 of 20

66636eeb28f7522a1c51baf0

BOTH INTERNATIONAL & INLAND Which light(s) will be visible to a vessel overtaking another vessel?

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

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