Regulations for Administrating Pilots Article 4
All pilot offices shall provide topographic maps covering individual pilotage districts, tide tables, as well information of instruments and devices relating to navigation and the Pilotage Law for member pilots' reference.
中文原文 引水人管理規則第4條
引水人辦事處應置備各該引水區域形勢圖、水位潮汐表誌及航行有關各種儀器資料、引水法規等，以備引水人參考使用。