3. The following areas are established as compulsory pilotage areas:

• (a) Cornwall District, being the Canadian waters of the St. Lawrence River between the northern entrance to St. Lambert Lock and the pilot boarding station near St. Regis in the Province of Quebec;

• (b) International District 1, being the Canadian waters of the St. Lawrence River between the pilot boarding station near St. Regis, in the Province of Quebec, and a line drawn from Carruthers Point light in the Port of Kingston, in the Province of Ontario, on a true bearing of 127° through Wolfe Island south side light and extended to the shore of the State of New York;

• (c) International District 2, being

  • (i) all the waters of the Welland Canal between the following geographic limits:

    • (A) in the southern approach, within an arc drawn one mile southward of the outer light on the western breakwater at Port Colborne, and

    • (B) in the northern approach, within an arc drawn one mile northward of the western breakwater light at Port Weller,

  • (ii) the Canadian waters of Lake Erie westward of a line running approximately 206° true from the Southeast Shoal light to Sandusky Pierhead light at Cedar Point in the State of Ohio, and

  • (iii) the Canadian waters of the connecting channels between Lake Erie and Lake Huron;

• (d) International District 3, being the Canadian waters of St. Mary's River connecting Lake Huron and Lake Superior as far as, in the northern approach, longitude 84° 33’ W;

• (e) the Canadian waters of Lakes Ontario, Erie, Huron and Superior other than the waters in the compulsory pilotage areas established under paragraphs (a) to (d); and

• (f) the navigable waters within the limits of the Port of Churchill, Manitoba.

4. The following ships are subject to compulsory pilotage:

• (a) a ship of more than 1 500 gross tonnage; and

• (b) a ship that is not registered in Canada and is over 35 m in length.

• 4.1 (1) A ship is not subject to compulsory pilotage under section 4 if the ship is a ferry that operates on a regular schedule.

• (2) Subsection (1) does not apply if the operation of the ship constitutes a risk to the safety of navigation because of

  • (a) the ship’s seaworthiness;

  • (b) exceptional conditions on board the ship; or

  • (c) conditions related to weather, currents or ice.

4.2 A ship that is not subject to compulsory pilotage under section 4 is subject to compulsory pilotage if the ship is a tug that

• (a) is engaged in towing or pushing two or more ships and the combined length of those ships, including the length of any lines, is 80 m or more; or

• (b) is outside a harbour and is part of an arrangement of ships whose total gross tonnage is 1 500 gross tonnage or more.