BOTH INTERNATIONAL & INLAND A vessel engaged in trawling will show identification lights of __________.

Correct Answer: Option B — a green light over a white light

COLREGS Rule 26(c)(i) mandates that a vessel engaged in fishing, specifically trawling whether pelagic or bottom, shall exhibit two all-round lights in a vertical line, the upper being green and the lower being white, or a shape consisting of two cones apex-to-apex.