CFR > Title 33 - Navigation and Navigable Waters > CHAPTER IV—SAINT LAWRENCE SEAWAY DEVELOPMENT CORPORATION, DEPARTMENT OF TRANSPORTATION > PART 401—SEAWAY REGULATIONS AND RULES > SUBPART A—Regulations (§401.1 to §401.97) > 401.46—Attending lines.

401.46—Attending lines.

(a) Lines of a vessel shall be under visual control and attended by members of its crew during the time the vessel is passing through a lock.
(b) While a vessel is within a lock chamber and lines are hand held for tension control, each line shall be attended by at least one member of the vessel's crew.