Glossary Archive

Northern Lighthouse Board

The Northern Lighthouse Board is a maritime organisation responsible for maintaining lighthouses and navigation aids in Scotland and the Isle of Man. Established: The Northern Lighthouse Board was established in 1786 and serves a similar purpose to Trinity House but specifically covers Scotland and the Isle of Man. Responsibilities: NLB is responsible for the operation...


North Utsire

Sea area of the Met Office Shipping Forecast. Located in the northern North Sea, adjacent to Utsira Island off the west coast of Norway. Derived from the Norwegian island of Utsira, North Utsire covers the northern half of the waters adjacent to that island. It lies directly under the track of most Northeast Atlantic lows,...


Notice to Mariners

A Notice to Mariners is an official publication issued by maritime authorities to provide important information and updates regarding navigational hazards, changes to navigational aids, and other relevant information that may affect the safety of navigation in a specific area. This information is crucial for mariners to stay informed and make necessary adjustments to their...


Not Under Command

A ship that, due to exceptional circumstances, is unable to manoeuvre as required by the International Regulations for Preventing Collisions at Sea (COLREGs) and therefore cannot keep out of the way of other vessels. A vessel that is "Not Under Command" (NUC) is in a state where it cannot comply with the standard manoeuvring rules...


November

Pronounced: no-VEM-ber The term for the letter N in the NATO Phonetic Alphabet.


NUC

A ship that, due to exceptional circumstances, is unable to manoeuvre as required by the International Regulations for Preventing Collisions at Sea (COLREGs) and therefore cannot keep out of the way of other vessels. A vessel that is "Not Under Command" (NUC) is in a state where it cannot comply with the standard manoeuvring rules...