Peninnis Lighthouse
 Peninnis Lighthouse | |
 | |
| Location | St Mary's Isles of Scilly England |
|---|---|
| OS grid | SV9110509372 |
| Coordinates | 49°54′17″N 6°18′13″W / 49.904624°N 6.303531°W |
| Tower | |
| Constructed | 1911 |
| Construction | metal tower |
| Height | 14 metres (46 ft) |
| Shape | circular skeletal tower lower half, closed tower upper half with balcony and lantern |
| Markings | black lower part, white upper part |
| Operator | Trinity House[1] |
| Heritage | Grade II listed building  |
| Light | |
| Focal height | 36 metres (118 ft) |
| Lens | 3rd order 500 millimetres (20 in) rotating |
| Intensity | 1,080 candela |
| Range | 9 nautical miles (17 km; 10 mi) |
| Characteristic | Fl W 20s. |
Peninnis Lighthouse is situated on Peninnis Head, St Mary's, Isles of Scilly.
History
The light was built to replace the lighthouse in the centre of the island of St Agnes and helps vessels to enter Hugh Town harbour, via St Mary's Sound. It was first lit in 1911, is circular, 45 feet (14 m) tall and consists of a black steel open lattice foundation, white gallery and black–domed top. Automated from the start, it was one of the first gas–powered light houses to use acetylene (which drove the rotating optic as well as fuelling the light).[2]
It was converted to electricity in 1992. In late 2011 the range of the white flashing light was reduced from 17 to 9 nautical miles (17 km; 10 mi) under the Trinity House 2010 Aids to Navigation review.[3][4] The revolving lens remains in situ but is no longer in use, having been replaced by a single-tier LED lantern mounted on the exterior rail of the lighthouse structure.[5]
See also
References
- ^ Peninnis Head The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 23 April 2016
- ^ Woodman, Richard; Wilson, Jane (2002). The Lighthouses of Trinity House. Bradford-on-Avon, Wilts.: Thomas Reed. p. 195.
- ^ Changes to lighthouse as it marks 100th year. Cornishman 28 July 2011. p 15.
- ^ "Archived copy". Archived from the original on 15 June 2012. Retrieved 26 July 2011.
{{cite web}}: CS1 maint: archived copy as title (link) - ^ Denton, Tony; Leach, Nicholas (2007). Lighthouses of England and Wales. A complete guide. Ashbourne: Landmark Publishing Ltd. ISBN 978-1-84306-3193.
External links
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