BOTH INTERNATIONAL & INLAND Which statement is TRUE concerning a "vessel engaged in fishing"?

Correct Answer: Option A — The vessel may be using nets, lines, or trawls.

Rule 3(d) defines a "vessel engaged in fishing" as any vessel fishing with nets, lines, trawls, or other fishing apparatus which restrict maneuverability. It explicitly excludes trolling lines or other fishing apparatus which do not restrict maneuverability.