Compulsory pilotage is applicable to all ships of foreign nationalities .
所有外国籍船舶均实行强制引航.
Pilotage is compulsory in hong kong waters .
领航在香港水域是强制性的。
Article 4 the division and alteration of the pilotage districts shall be stipulated by motc .
第4条（引水区域之划分变更）引水区域之划分或变更，由交通部定之。
Pilotage of ships of any length to and from buoys and anchorages at any time and the berthing and unberthing of ships of any length to and from wharves , berths , docks and piers at any time .
