St. Andrew’s Lock Regulations (SOR/91-444)

12 Every vessel using the lock shall

• (a) if the vessel has a gross tonnage of 40 tons or less, be equipped with at least two lines or hawsers of adequate strength, one at the bow and one at the quarter; and

• (b) if the vessel has a gross tonnage of more than 40 tons, be equipped with lines of sufficient number and attended by a sufficient number of crew members

  • (i) to check the speed of the vessel while entering the lock,

  • (ii) to prevent the vessel from striking against the lock gates or other parts of the lock, and

  • (iii) to keep the vessel in proper position while the lock is being filled or emptied.