| Air draught |
Height of highest points of
vessel's structure above waterline, e.g. radar,
funnel, cranes, masthead. |
| Anchor position |
Place where a specific vessel is
anchored or is to anchor. |
| Calling-in-point
(C.I.P.) |
See way point |
| 'Correction' |
An error has been made in this
transmission, the corrected version is . . . |
| Dragging (of anchor) |
An anchor moving over the sea
bottom involuntarily because it is no longer
preventing the movement of the vessel. |
| Dredging anchor |
Vessel moving, under control,
with anchor moving along the sea bottom. |
| Draught |
Depth from waterline to vessel's
bottom, maximum/deepest unless otherwise
specified. |
| Established |
Brought into service, placed in
position. |
| ETA |
Estimated time of arrival. |
| ETD |
Estimated time of departure. |
| Fairway |
Navigable part of waterway. |
| Fairway speed |
Mandatory speed in a fairway. |
| Foul (anchor) |
Anchor has its own cable twisted
around it or has fouled an obstruction. |
| Foul (propeller) |
A line, wire, net, etc. is wound
round the propeller. |
| Hampered vessel |
A vessel restricted in her
ability to manoeuvre by the nature of her work. |
| Icing |
Formation of ice on vessels. |
| Inoperative |
Not functioning. |
| Mark |
General term for a navigational
mark, e.g. buoy, structure or topographical
feature which may be used to fix a vessel's
position. |
| Offshore installation |
Any offshore structure (e.g. a
drilling rig, production platform, etc.) which
may present a hazard to navigation. |
| Receiving point |
A mark or place at which a
vessel comes under obligatory entry, transit, or
escort procedure (such as for port entry, canal
transit or ice-breaker escort). |
| Reporting point |
See way point |
| Vessel crossing |
A vessel proceeding across a
fairway/traffic lane/route. |
| Vessel inward |
A vessel which is proceeding
from sea to harbour or dock. |
| Vessel leaving |
A vessel which is in the process
of leaving a berth or anchorage. (When she has
entered the navigable fairway she will be
referred to as an outward, inward, crossing or
turning vessel). |
| Vessel outward |
A vessel which is proceeding
from harbour or anchorage to seawards. |
| Vessel turning |
A vessel making LARGE alteration
in course, such as to stem the time when
anchoring, or to enter, or proceed, after leaving
a berth, or dock. |
| Way point |
A mark or place at which a
vessel is required to report to establish its
position. (Also known as reporting point or
calling-in-point). |
Routeing system
