BOTH INTERNATIONAL & INLAND Which is a light signal authorized by the Secretary of the Navy as an additional navigational light for a ship of war?

Correct Answer: Option A — Intermittent flashing amber (yellow) beacon for submarines

Rule 1(c) permits special station or signal lights for warships. Under these provisions, the Secretary of the Navy has authorized an intermittent flashing amber (yellow) beacon as an additional navigational light to identify submarines operating on the surface, enhancing safety due to their low profile.