In inland waters, how many white anchor lights must a barge more than 50 meters long show when anchored in a special anchorage area?

• A. One
• B. Two
• C. Three
• D. Four

Answer: (B)

In inland waters, when a barge longer than 50 meters is anchored in a special anchorage area, two white anchor lights must be shown. This pair of all-round white lights is placed so others can see the vessel’s presence and orientation — one toward the bow and one toward the stern — making the vessel’s length and anchored status clear to approaching traffic. The extra light in this scenario helps ensure safe navigation in designated anchorage zones. A single anchor light would not convey the same information about the vessel’s size and position in the area.