Abaft the beam
Norsk · Aktenfor tvers
The area behind the line extending directly out from either side of the vessel.
Sources and other names
Rules and watchkeeping
VESDOC.COM · 462 TERMS · NORSK / ENGLISH
Words on the water
The abbreviation on screen. The full English term. Its meaning at sea.
Common instrument fields
All terms
462 results · showing 40 of 462
Abeam
Norsk · Tvers
Directly to the side, at 90 degrees to the vessel's heading.
Sources and other names
Rules and watchkeeping
Admiralty Sailing Directions
Norsk · Admiralty Sailing Directions
British sailing directions that supplement charts with information for passage planning.
Sources and other names
Navigation
Admiralty Pilot
Aid to navigation
Norsk · Sjømerke
A fixed or floating aid identifying a route or hazard through location, shape, colour and possibly light.
Sources and other names
Navigation
All-round light
Norsk · Rundtlysende lanterne
A light visible through a full horizontal arc of 360 degrees.
Sources and other names
Rules and watchkeeping
rundlysende lys
Anchor ball
Norsk · Ankerkule
A black ball displayed as a day shape for a vessel at anchor under the applicable rules.
Sources and other names
Rules and watchkeeping
Anchor light
Norsk · Ankerlys
An all-round white light used for anchoring under the applicable rules; other vessels may also show white lights.
Sources and other names
Rules and watchkeeping
Anchoring
Norsk · Ankring
Holding a vessel with an anchor on the seabed, considering depth, obstructions, weather and traffic.
Sources and other names
Navigation · Rules and watchkeeping
Angle of heel
Norsk · Krengningsvinkel
The angle between the vessel's centreplane and vertical; the righting lever depends on this angle.
Sources and other names
Stability
Antifreeze
Norsk · Frostvæske
Coolant additive or mixture providing frost and corrosion protection according to the engine specification.
Sources and other names
Marine engineering
kjølevæske
Archimedes' principle
Norsk · Arkimedes’ lov
The buoyant force equals the weight of displaced fluid, explaining how a floating vessel supports its load.
Sources and other names
Stability
Arkimedes lov
Arrival position
Norsk · Påkommende posisjon
The position reached, or calculated to be reached, at the end of a passage leg.
Sources and other names
Navigation
Atmospheric pressure
Norsk · Lufttrykk
Air pressure, commonly measured in hectopascals, used to interpret weather systems.
Sources and other names
Navigation
hPa · hektopascal
Automatic Identification System
Norsk · Automatisk identifikasjonssystem
A system exchanging vessel identity, position, course and speed, among other data. AIS targets often appear on a chartplotter or radar.
Autopilot
Norsk · Autopilot
A system that maintains a selected heading or follows a connected route while the navigator monitors the passage.
Sources and other names
Navigation
autoplot
B — context-dependent symbol
Norsk · B
B can mean centre of buoyancy in stability, breadth in a hull formula, or black in chart abbreviations.
Sources and other names
Stability
Ballast
Norsk · Ballast
Weight used to adjust a vessel's floating condition and stability. Low ballast can lower the centre of gravity.
Sources and other names
Stability
Beacon
Norsk · Båke
A fixed navigational mark recognised by its construction, shape or appearance.
Sources and other names
Navigation
Bearing
Norsk · Peiling
The direction from own boat to a target. T denotes true north, M magnetic north; a relative bearing is measured from the bow.
Beaufort scale
Norsk · Beaufortskala
A wind-force scale from 0 to 12, linked to observed conditions on land and at sea.
Black–red–black — BRB
Norsk · BRB
A colour abbreviation describing an isolated danger mark, distinct from black-and-yellow cardinal marks.
Sources and other names
Navigation
Bleeding a diesel fuel system
Norsk · Lufting av dieselsystem
Removing air that obstructs fuel supply, using the procedure for the particular engine and fuel system.
Sources and other names
Marine engineering
Block coefficient
Norsk · Blokkoeffisient
Underwater hull volume divided by the volume of a block with matching length, breadth and draught.
Sources and other names
Stability
Cb · C_B
Brake power
Norsk · Bremseeffekt
Power measured at the engine's output shaft after the engine's internal mechanical losses.
Sources and other names
Marine engineering
Bridge Navigational Watch Alarm System — BNWAS
Norsk · Brovaktalarm
An alarm system that escalates alerts when the required watchkeeper activity is not confirmed.
Sources and other names
Rules and watchkeeping
BNWAS · Bridge Navigational Watch Alarm System
Buoy
Norsk · Bøye
An anchored floating mark, whose shape, colour and light identify its purpose.
Sources and other names
Navigation
Buoyancy
Norsk · Oppdrift
The upward force exerted by water on the hull, balancing weight when the vessel floats at rest.
Sources and other names
Stability
BY, YB, BYB and YBY — colour bands
Norsk · BY, YB, BYB og YBY
Black and yellow bands read from top to bottom identify north, south, east and west cardinal marks respectively.
Sources and other names
Navigation
fargebokstaver for sjømerker
Cairn or masonry beacon
Norsk · Varde
A fixed, often stone-built mark used as a landmark or navigational aid.
Sources and other names
Navigation
Carburettor
Norsk · Forgasser
A device mixing petrol with intake air, distinct from fuel injection.
Sources and other names
Marine engineering
Cardinal mark
Norsk · Kardinalmerke
A mark named for the compass direction of the navigable water relative to it.
Sources and other names
Navigation
Centre of Buoyancy
Norsk · Oppdriftssenter
The centroid of displaced water volume, through which the buoyant force acts.
Sources and other names
Stability
B · Center of Buoyancy
Centre of Gravity
Norsk · Tyngdepunkt
The point through which the vessel's combined weight is considered to act.
Sources and other names
Stability
G · Center of Gravity
Chart correction
Norsk · Kartretting
Applying published changes to a chart, such as moved marks or new obstructions.
Sources and other names
Navigation
ajourføring
Chart Datum
Norsk · Sjøkartnull
The reference level for charted depths and tidal heights; they must use compatible references before being combined.
Sources and other names
Navigation
CD · Chart Datum
Kartverket – vannstandsnivå og referanser
Chart projection
Norsk · Kartprojeksjon
A method of representing Earth's curved surface on a flat chart.
Sources and other names
Navigation
projeksjon
Chart scale
Norsk · Kartmålestokk
The ratio of chart distance to real distance. A larger-scale chart covers less area in greater detail.
Sources and other names
Navigation
målestokk
Chartplotter
Norsk · Kartplotter
An instrument displaying an electronic chart, position and route; an ordinary chartplotter is not necessarily ECDIS.
Sources and other names
Navigation
Checking compass deviation
Norsk · Deviasjonskontroll
Comparing the compass against a known direction, accounting for magnetic variation to isolate deviation.
Sources and other names
Navigation
Checking the oil level
Norsk · Oljepeiling
Measuring oil level using a dipstick or the engine's specified monitoring system.
Sources and other names
Marine engineering