Blackhead Lighthouse
Blackhead in 2010
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 Northern Ireland
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| Location | County Antrim, Northern Ireland |
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| Coordinates | 54°46′01″N 5°41′21″W / 54.76694°N 5.68917°WCoordinates: 54°46′01″N 5°41′21″W / 54.76694°N 5.68917°W |
| Year first constructed | 1902 |
| Automated | 1975 |
| Height | 16 metres (52 ft) |
| Focal height | 45 metres (148 ft) |
| Range | 27 nautical miles (50 km; 31 mi) |
| Characteristic | Fl W 3s. |
| Admiralty number | A6028 |
| NGA number | 114-6972 |
| Managing agent | Commissioners of Irish Lights |
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Blackhead Lighthouse is a listed lighthouse built at the turn of the 20th century, near Whithead in County Antrim, Northern Ireland. It marks the very northern end of Belfast Lough where it opens out into the North Channel that separates Northern Ireland and Scotland. The active lighthouse is managed by the Commissioners of Irish Lights, where it is named as the Blackhead Antrim Lighthouse to distinguish it from the more modern Blackhead lighthouse in County Clare.
The first application for a lighthouse at Black Head was made by the Belfast Harbour Board in 1893. It was refused by the Commissioners of Irish Lights on the basis that the light would only benefit shipping entering Belfast and should not be financed by the general Mercantile Marine Fund. A second request was made in early 1898, this time supported by Lloyds and the Belfast Chamber of Commerce as well as the Harbour Board, it was also refused. Further representations were made that year, including discussions in the House of Commons, until the Board of Trade and Trinity House agreed to make available funding to cover the estimated cost of £10,025 (equivalent to £1,007,116 as of 2015) for the construction of a lighthouse and fog signal.
The contract to construct the light was awarded to William Campbell and Sons in 1899 with work starting the same year. Designed by William Douglass engineer-in-chief to the CIL, the lighthouse was completed in 1902. Situated at the top of a steep cliff to guide ships into Belfast Lough and the port of Belfast, it complements the Mew Island lighthouse on the southern side of the lough entrance, which was also designed by Douglass.
The lighthouse consists of an octagonal stone tower 16 metres (52 ft) high, with lantern and gallery painted white. The main two-storey keeper's house is built close by and linked to the tower by an enclosed walkway. There is also an adjacent detached superintendent’s house. The lighthouse was electrified in 1965 and became automatic in 1975. The fog signal was suppressed in 1972.
With a focal height of 45 metres (148 ft) above the sea, the light from the first order Fresnel lens with its 400W bulb can be seen for 27 nautical miles, with a characteristic of a single white flash every 3 seconds.
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Wikipedia