Which vessels should a fishing vessel keep out of the way of when underway?

A fishing vessel should keep out of the way of a vessel that is restricted in her ability to maneuver, which includes vessels such as those engaged in dredging, underwater operations, or any other conditions that limit their ability to navigate. This obligation is rooted in the principles of the COLREGs (International Regulations for Preventing Collisions at Sea), which establish rules for vessels to ensure safe navigation and to prevent collisions.

According to Rule 18 of the COLREGs, a vessel engaged in fishing must take particular care to avoid impeding the safe passage of vessels that are constrained by their operational conditions. Vessels restricted in their ability to maneuver often cannot change course easily or stop quickly because of their activities, making it vital for fishing vessels to yield to them to avoid potential accidents.

While a vessel under command and a sailing vessel also have specific rights on the water, the obligation to stay out of the way is particularly crucial when interacting with a vessel that is restricted in its ability to maneuver due to its operational constraints.