Which vessel(s) is(are) required to comply with the vessel bridge-to-bridge radiotelephone regulations while navigating?

Correct Answer: Option A — Dredges engaged in operations likely to restrict navigation of other vessels in or near a channel or fairway

Statutory bridge-to-bridge radiotelephone rules require dredges performing operations that restrict the navigation of other vessels in fairways or channels to comply fully with mandatory listening and transmission provisions.