APPROACH CHANNELS AND WAITING AREA -
FRENCH REGULATIONS

Vessels over 1600 GT laden with hydrocarbons or other dangerous cargoes must keep at least 7 nautical miles off the French coast, except if entering Calais or Dunkerque when the waiting area and approach channels must be used. Tankers approaching Dyck light-buoy (51°03'·0N., 1°51'·8E.) are subject to restrictions. For details, see Admiralty Sailing Directions.