General Direction : A direction (regulation) issued by a Harbour Authority in relation to port operations applicable to all vessels operating in the harbour or a group of vessel
Steve Harding (et.al), Port Marine Safety Code Risk Assessment, Glossary of Abbreviations and Terms, Marine and Risk Consultants Ltd. (Marico Marine), Southampton, UK 2009. http://www.qhm.mod.uk/plymouth/whole-port-ra?cmsac tion=download&page=1718&id=1743, (Code: Port Mrn Sfty - Brit) {535}