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The front cover of a List of Lights volume. A list of lights is a publication describing lighthouses and other aids to maritime navigation. Most such lists are published by national hydrographic offices. Some nations, including the United Kingdom and the United States, publish lists that cover the whole world in many volumes. Other nations ...
The harbour defence motor launch (HDML) was a 72 ft (22 m) long British-designed motor vessel used for harbour defence during World War II. Nearly 500 were built by numerous Allied countries during the war. The HDML was designed by W J Holt at the Admiralty in early 1939.
The first revolving light was fitted to the Swin Middle lightvessel in 1837. [citation needed] Tongue Tongue Sands 51°30′39″N 1°23′5″E [22] North Sea: Jenni Baynton, Light vessel no. 5 (1973) Lynn Well Trinity House: The Wash: Gull Stream, Light Vessel no. 89: Replaced with a Lanby in September 1973. Would Haisborough Sands: North Sea
A motor launch (ML) is a small military vessel in Royal Navy service. It was designed for harbour defence and submarine chasing. Similar vessels were used by the Royal Air Force for armed high-speed air-sea rescue. Some vessels for water police service are also known as motor launches. Motor launches were slower than motor torpedo boats and ...
In 1974, the Admiralty Ensign was renamed the Government Service Ensign (a.k.a. the Government Service Blue Ensign) and was flown by all Ministry of Defence-owned vessels that were not part of the Royal Navy, RFA or RMAS, as well as certain Government operated vessels for which no other ensign was appropriate.
The Holmes' Marine Life Protection Association was a United Kingdom company set up in the 19th century to produce marine signal lights and foghorns. It was founded by Nathaniel John Holmes, a telegraph engineer from Middlesex; and it passed to his son Joseph R. Holmes. The company was taken over by Albright and Wilson in 1919.
MV San Demetrio was a British motor tanker, [2] notable for her service during the Second World War.She was built in 1938 for the Eagle Oil and Shipping Company. [2] In 1940 she was damaged by enemy action in mid-Atlantic, abandoned by her crew but later re-boarded and successfully brought into harbour.
In 2022 the lighthouse was once again modernised: the revolving Fresnel optic was removed; it and the emergency light have been replaced by a pair of static LED lanterns. [17] As part of the modernisation programme the visible range of the light was reduced from 24 nautical miles (44 km; 28 mi) to 18 nmi (33 km; 21 mi).