BOTH INTERNATIONAL & INLAND A tug boat displaying the day-shape shown in illustration D010RR below is which of the following?

Correct Answer: Option A — has a tow that exceeds 200 meters in length

Rule 24(a)(iii) requires a towing vessel whose tow exceeds 200 meters in length to exhibit a diamond shape where it can best be seen, visually warning other mariners of the extended and potentially hazardous towline astern.