Question 286 Deck General

70% to pass

In accordance with U.S. regulations which signal is required to be displayed during hours of darkness if a vessel is handling Class 1 explosive materials?

A Two all-round fixed red lights
B One all-round fixed red light
C One all-round flashing red light
D No special signal is required during darkness
AI Explanation

The correct answer is B) One all-round fixed red light. According to U.S. Coast Guard regulations, vessels handling Class 1 explosives are required to display one all-round fixed red light during the hours of darkness. This is specified in the Code of Federal Regulations, Title 46, Section 148.01-15, which outlines the requirements for the display of lights and shapes on vessels carrying dangerous cargoes. The other answer choices are incorrect because two all-round fixed red lights (A) are not the required signal, a flashing red light (C) is not the correct configuration, and no special signal (D) is not in compliance with the regulations.

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