Location | Alderney English Channel |
---|---|
Coordinates | 49°43′45″N 2°09′51″W / 49.7292°N 2.1643°W |
Tower | |
Constructed | 1912 |
Construction | granite tower |
Automated | 1997 |
Height | 32 metres (105 ft) |
Shape | conical tower with balcony and lantern attached to keeper's house |
Markings | white tower with one broad black band |
Operator | Trinity House |
Fog signal | siren: 3 blasts every 20 seconds whistle: 2 blasts ever 15 seconds |
Light | |
Focal height | 37 metres (121 ft) |
Lens | 1st Order 920mm 4 panel Catadioptric (original), 2 X 4-tier LED Lantern (current) |
Intensity | 4,140 candela |
Range | 12 nautical miles (22 km; 14 mi) |
Characteristic | Fl W (4) 15s |
The Alderney Lighthouse (also known as Mannez Lighthouse) is a stone lighthouse built on the North-East coast of the island of Alderney. It was constructed in 1912[1] to protect shipping from the dangerous waters of the Alderney Race and the numerous rocks surrounding Alderney.