Introduction General Glossary Warnings Assistance Anchoring Arrival, Berthing, and Departure Course Draught and Air Draught Fairway Navigation Canal and Lock Operations Manoeuvring Pilotage Position Radar Navigational Warnings Routeing Speed Tide and Depth Tropical Storms Tugs Way Points Weather Fishing Helicopters Ice-breakers Wheel Orders Engine Orders Pilotage (On-board) Manoeuvring (On-board) Propulsion System Going To Anchor Leaving The Anchorage Berthing / Unberthing	Standard Marine Navigational Vocabulary
	Introduction
	This vocabulary has been compiled: to assist in the greater safety of navigation and of the conduct of ships. to standardize the language used in communication for navigation at sea, in port-approaches, in waterways and harbours. These phrases are not intended to supplant or contradict the International Regulations for Preventing Collisions at Sea or special local rules or recommendations made by IMO concerning ship's routeing. Neither are they intended to supersede the International Code of Signals nor to supplant normal radiotelephone practice as set out in the ITU Regulations. It is not intended that use of the vocabulary shall be mandatory, but rather that through constant repetition in ships and in training establishments ashore, the phrases and terms used will become those normally accepted and commonplace among seamen. Use of the contents of the vocabulary should me made as often as possible in preference to other wording of similar meaning. In this way it is intended to become an acceptable 'language', using the English tongue, for the interchange of intelligence between individuals of all maritime nations on the many and varied occasions when precise meanings and translations are in doubt, increasingly evident under modern conditions at sea. The typographical conventions used throughout most of this vocabulary are as follows: ( ) brackets indicate that the part of the message enclosed within the brackets may be added where it is relevant. / oblique stroke indicates that the items on either side of the stroke are alternatives. . . . dots indicate that the relevant information is to be filled in where the dots occur.