Question 1 of 27070
Q
INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. Which of the following vessels may exhibit this special light?
A
a vessel restricted in her ability to maneuver
B
a vessel engaged in river bank protection
C
a vessel engaged in search and rescue
D
a vessel not under command
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Question 1 / 2707066636eeb28f7522a1c51b9ca
Question 1 of 2707066636eeb28f7522a1c51b9ca

INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. Which of the following vessels may exhibit this special light?

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Question 1 of 27070
Q

INLAND ONLY A vessel engaged in public safety activities may display an alternately flashing red and yellow light. Which of the following vessels may exhibit this special light?

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🔍 Key Concepts

• INLAND Rules vs. International Rules – this special light only appears in the Inland Navigation Rules • The definition of public safety activities in the Inland Rules (think about who normally performs them on the water) • Which vessel types in the choices routinely work directly with police, fire, or rescue operations


💭 Think About

• Ask yourself: which one of these operations most clearly sounds like an urgent protective action for people or property, like a police car or ambulance on the water? • Consider which of these statuses (restricted in ability to maneuver, not under command, etc.) are general COLREGS conditions versus a specific mission type related to public safety. • Think about which option is usually associated with flashing emergency-style lights in real life, similar to emergency vehicles on land.


✅ Before You Answer

• Verify in the Inland Navigation Rules (Annex or definitions section) which specific activity is linked to the alternately flashing red and yellow light. • Check which options describe a condition of the vessel (e.g., restricted in ability to maneuver, not under command) and which describe a specific operation/mission. • Confirm that the rule text ties this light to public safety or law enforcement/rescue work, not just any work like construction or bank protection.