A vessel is "engaged in fishing" when __________.

A vessel is considered "engaged in fishing" when she is using fishing apparatus that restricts her maneuverability. This definition is essential in the context of navigating waterways because such a vessel has specific rights and responsibilities under the rules of the road.

When a vessel utilizes fishing gear, such as nets, lines, or traps, this equipment often hinders her ability to maneuver quickly or respond to other vessels. As a result, these vessels must be given the appropriate considerations in terms of navigation rules. Other vessels are expected to be aware of these restrictions and typically need to give way to the fishing vessel, which reinforces the importance of understanding this classification.

Being at a dock does not signify that the vessel is actively engaged in fishing, nor does trolling alone imply that she is restricted in her maneuverability, as it can vary based on the methods and gear employed. Therefore, this specific condition of using fishing apparatus is what defines a vessel as being "engaged in fishing."