BOTH INTERNATIONAL & INLAND A vessel towing a barge astern would show, at the stern __________.

Correct Answer: Option D — a towing light above the stern light

COLREGS Rule 24(c) requires a power-driven vessel when towing astern to exhibit a yellow towing light directly above the stern light, allowing overtaking vessels to readily identify the presence of the towing wire or hawser extending astern toward the towed unit.