Channel Lightvessel

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Channel
File:Channel Light Vessel 23 at Canning Dock - geograph.org.uk - 720220.jpg
Channel lightvessel 23 at Canning Dock
History
File:Trinity House Ensign.svgUnited Kingdom
OperatorTrinity House
In service25 November 2006
Out of serviceAugust 2021
StatusWithdrawn as of August 2021
General characteristics
TypeLightvessel
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Light sourceLED lamp
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Channel Lightvessel was the name of a lightvessel station located in the English Channel between 1979 and August 2021, when it was replaced with a lighted buoy. It is also one of the 22 coastal weather stations whose conditions are reported in the BBC (Met Office) Shipping Forecast - the weather station is still announced as Channel Lightvessel Automatic despite being replaced by the buoy, as of 2025.[1] The vessel's position was Lua error: callParserFunction: function "#coordinates" was not found., approximately 56 km (35 mi) north-northwest of Guernsey.

The lightvessel marked the western end of the English Channel Traffic Separation Zone.[2]

Signals

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The light, on a 12 m (39 ft) tower, had a range of about 15 miles, and flashed for .3 seconds every 15 seconds. The fog signal gave a single 2 second blast every 20 seconds. The agile radio beacon transmitted the letter "O" in morse code on X band and S band frequencies for nine seconds every thirty seconds.[3]

History

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The Channel lightvessel was established in 1979 as part of the Off Casquets Traffic Separation Scheme (TSS), introduced following the 1978 grounding of the Amoco Cadiz.[4] The lightvessel was intended to give clear definition to the TSS, as such schemes were at the time a new feature, rather than marking a physical hazard to navigation.[4]

In May 2021 it was announced that the vessel would be replaced by a Type 1 buoy in August 2021.[5] In August 2021 Trinity House stated that the replacement had been completed,[6] with the Channel Lighted Buoy being deployed by THV Galatea.[7][8] The light vessel was towed away by THV Patricia.

Channel Light Buoy

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The light on the buoy flashes every 10 seconds. The agile radio beacon transmits the letter "O" in morse code on X band and S band frequencies for twenty seconds every sixty seconds.[9] The light is an LED with a range of 9 nautical miles.[10]

References

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