165.11—Vessel operating requirements (regulations).
Each District Commander may control vessel traffic in an area which is determined to have hazardous conditions, by issuing regulations:
(a)
Specifying times of vessel entry, movement, or departure to, from, within, or through ports, harbors, or other waters;
(c)
Restricting vessel operation, in a hazardous area or under hazardous conditions, to vessels which have particular operating characteristics or capabilities which are considered necessary for safe operation under the circumstances.