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Plymouth Sound, or locally just The Sound, is a deep inlet or sound in the English Channel near Plymouth in England. Description. Its southwest and southeast ...
A TSS is typically created in locations with large numbers of ship movements and vessels travelling in different directions and where there might otherwise be a high risk of collisions. Details of traffic separation schemes and similar routing-systems can be found on Admiralty charts. [1]
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Part of an early "new style" Admiralty chart, of Risavika in Norway, published in 1970. Depth in metres (and tenths of metres for depths less than 20m). Metrication of Admiralty charts began in 1967, and it was decided to synchronise this with the introduction of a new style of chart, with increased use of colour, which continues in use today.
Admiralty Chart of Hoy Sound, Orkney, surveyed by Purey-Cust in 1905-6. Purey-Cost's final command, from 1902 to 1905, was HMS Triton, a paddle surveying ship. The surveys in home waters included the channels in the Thames estuary, tidal observations in the North Sea, sea lochs in the west of Scotland and the Orkney Islands.
Plymouth Breakwater Fort from inside the Sound In 1860, a Royal Commission , established by Lord Palmerston , produced a plan for the defence of Plymouth and other Royal Dockyards . [ 13 ] The Breakwater Fort was designed to defend the entrances to Plymouth Sound in conjunction with forts and batteries on either shore.
The Admiralty's first Hydrographer was Alexander Dalrymple, [2] appointed in 1795 on the order of King George III and the existing charts were brought together and catalogued. The first chart Dalrymple published as Hydrographer to the Admiralty (of Quiberon Bay in Brittany ) did not appear until 1800. [ 3 ]
Once he had settled on Plymouth, it took the rest of the year for the Admiralty to decide between two possible locations; eventually, in preference to Cattewater, they settled on a site on the Hamoaze (a section of the River Tamar) in the parish of Stoke Damerel. On 30 December 1690, a contract was let for a dock to be built; having selected ...