343. BOTH INTERNATIONAL & INLAND At night, the lights shown in illustration D076RR would indicate a vessel engaged in which of the operations?

The illustration depicts a vessel displaying green and white lights vertically aligned, indicating a vessel engaged in trawling under Rule 26. This configuration distinguishes trawlers from vessels restricted in maneuverability (red-white-red), towing astern (white masthead lights with a yellow towing light), or dredging (red-white-red).