Glossary
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TermDefinition
- General Nautical Terminology Motor sailing
A sailing vessel making way using sails and engine. A downward pointing cone should be displayed in the fore triangle in daylight and lights for...
More Details - General Nautical Terminology MRCC
A shore-based facility responsible for coordinating and managing maritime search and rescue (SAR) operations within a designated area of...
More Details - General Nautical Terminology National Oceanic and Atmospheric Administration (NOAA)
The National Oceanic and Atmospheric Administration is an American scientific agency within the United States Department of Commerce that focuses...
More Details - Organisation NATO
An intergovernmental military alliance established in 1949 aimed to ensure the collective defence of its member state through political and...
More Details - General Nautical Terminology Nautical Almanac
An annual publication containing information on Ports, Tide tables and much, much more.
- General Nautical Terminology, Navigation Nautical Mile
A nautical mile is a unit of measurement used in maritime navigation that is equivalent to one minute of latitude or approximately 1.852...
More Details - General Nautical Terminology, Navigation Navigational Telex (NAVTEX)
A maritime communication system used for the automatic broadcast of navigational and meteorological warnings, forecasts, and urgent safety...
More Details - General Nautical Terminology Navigation Lights
Lights exhibited by all vessels between sunset and sunrise, in restricted visibility and may be exhibited in any other circumstances if deemed...
More Details - General Nautical Terminology, Navigation NAVTEX
A maritime communication system used for the automatic broadcast of navigational and meteorological warnings, forecasts, and urgent safety...
More Details - Flag / Pennant, Signals & Communication Code Flag November (N)
The International Maritime Signal Flag November.
Meaning
Negative.
- General Nautical Terminology NDB
A radio transmitter at a fixed location that emits signals in all directions, used in marine navigation to help vessels determine their position...
More Details - General Nautical Terminology Neap RangeThe difference in height between HW and LW on a Mean (average) neap tide.
- General Nautical Terminology, Navigation Neap Tide
When the difference between high and low water is at its smallest, typically occurring twice a month during the first and third quarters of the...
More Details - Weather (Meteorology) Near Gale
Sometimes used to describe wind strength approaching a Gale.
- Organisation NLB
The Northern Lighthouse Board is a maritime organisation responsible for maintaining lighthouses and navigation aids in Scotland and the Isle of...
More Details - Flag Semaphore, Signals & Communication Letter N (Flag Semaphore)
Flag semaphore indicating the letter N.
- Morse Code, Signals & Communication Letter N (Morse Code)
International Morse Code sequence representing the letter N.
- General Nautical Terminology, Navigation NM
A Notice to Mariners is an official publication issued by maritime authorities to provide important information and updates regarding...
More Details - General Nautical Terminology NOAA
The National Oceanic and Atmospheric Administration is an American scientific agency within the United States Department of Commerce that focuses...
More Details - General Nautical Terminology Non-Directional Beacon (NDB)
A radio transmitter at a fixed location that emits signals in all directions, used in marine navigation to help vessels determine their position...
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