Cable layer

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File:Cable layer ship.jpg
A cable layer at the Port of Astoria

A cable layer or cable ship is a deep-sea vessel designed and used to lay underwater cables for telecommunications, electricity, and such. Cable ships are distinguished by large cable sheaves[1] for guiding cable over bow or stern or both. Bow sheaves[2], some very large, were characteristic of all cable ships. Newer ships are tending toward pure stern layers with stern sheaves only as seen in the photo of the Cable Innovator at the Port of Astoria on this page. The names of cable ships are often preceded by "C.S." as in CS Long Lines[3].

The first transatlantic telegraph cable was laid by cable layers from 1857–1858. It briefly enabled telecommunication between Europe and North America before misuse resulted in failure of the line. In 1866 the Great Eastern successfully laid two transatlantic cables, securing future communication between the continents.

HMTS[4] Monarch (renamed CS Sentinel 13 October 1970)[1] completed the first transatlantic telephone cable, TAT-1 in 1956[5] from Scotland to Nova Scotia for Britain's General Post Office (GPO).

A cable layer at anchor in Astoria, OR

See also


  1. 1.0 1.1 | History of the Atlantic Cable & Undersea Communications
  2. | NavSource Photo, USS Neptune (ARC 2) bow sheaves
  3. | Leo Parrish and CS Long Lines (working TAT-5)
  4. | A short introduction to cable ships - See HMTS.
  5. | History of the Atlantic Cable & Undersea Communications - Cable Signalling Speed and Traffic Capacity

External links

Wikimedia Commons has media related to:
[[Commons: Category:Cable-laying ships

| Cable-laying ships


de:Kabelleger el:Καλωδιακό πλοίο fa:کشتی کابل‌گذار fr:Câblier he:אוניית כבל ja:海底ケーブル敷設船 pl:Kablowiec fi:Kaapelialus sv:Kabelläggningsfartyg