Gibraltar Detached Mole ("B" Head) Lighthouse

{{Use dmy dates|date=March 2017}}

{{Infobox lighthouse

| image = Part of the port in gibraltar.JPG

| caption = Location of the Detached Mole ("B" Head) Lighthouse.

| location = Gibraltar Harbour, Gibraltar, Iberian Peninsula

| coordinates = {{coord|36.1357|-5.3641|display=inline,title}}

| construction = Concrete

| shape = Square

| height = 37 Feet

| focalheight = 29 Feet (9 Metres)

| range = 5 Nautical Miles

| characteristic = Q.R.

}}

The Gibraltar Detached Mole ("B" Head) Lighthouse is one of several lighthouses in Gibraltar, a British Overseas Territory at the south end of the Iberian Peninsula. The lighthouse is positioned west of the Rock of Gibraltar, on the Detached Mole at the south entrance to Gibraltar Harbour.

History

Gibraltar Harbour, also referred to as the Port of Gibraltar, is on the west side of Gibraltar,{{cite web|title=Huge Underwater Mountain Discovered in Red Sea|url=https://workingharbor.wordpress.com/2012/07/21/huge-underwater-mountain-discovered-in-red-sea/|work=harbor.wordpress|publisher=Working Harbor Committee|accessdate=11 August 2012|url-status=dead|archiveurl=https://archive.today/20121217214954/https://workingharbor.wordpress.com/2012/07/21/huge-underwater-mountain-discovered-in-red-sea/|archivedate=17 December 2012|df=dmy-all}} at latitude 36º09'N, and longitude 5º20'W. In addition to the protection provided to the harbour by the Rock of Gibraltar, there is a system of manmade defences. These include a trio of breakwaters: the North Mole (formerly the Commercial Mole){{cite EB1911|wstitle=Gibraltar |volume=11 |page=940}} including its Western Arm, the Detached Mole, and the South Mole.{{cite web|title=Gibraltar|url=http://upload.wikimedia.org/wikipedia/commons/0/06/Gibraltar_map-en-edit2.svg|work=wikimedia.org|publisher=Wikimedia Commons|accessdate=1 August 2012}} The South Mole includes an extension which was added later, and was previously known as the New Mole and New Mole Extension. The harbour has both north and south entrances. The northern entry is bordered by the Western Arm of the North Mole and the Detached Mole. The southern entry is between the Detached Mole and the South Mole.{{cite book|title=Port of Gibraltar Handbook 2010-11|year=2010|publisher=Land & Marine Publications Ltd, on behalf of the Gibraltar Port Authority|url=http://issuu.com/landmarine/docs/gibraltar_port_2011?mode=window&pageNumber=16|accessdate=1 August 2012|pages=6–7, 13}}

The Gibraltar Detached Mole ("B" Head) Lighthouse is located at the south end of the Detached Mole of Gibraltar Harbour. It is positioned at the "B" Head of the Detached Mole.{{cite web |title=Port of Gibraltar - Port Map |url=http://www.gibraltarport.com/port_map |archive-url=https://web.archive.org/web/20121025100539/http://www.gibraltarport.com/port_map |url-status=dead|archive-date=25 October 2012 |work=gibraltarport.com |publisher=Gibraltar Port Authority |accessdate=2 August 2012 |df=dmy-all }} The lighthouse and harbour are to the north of the east end of the Strait of Gibraltar, the entrance to the Mediterranean Sea, and west of the Rock.{{Cite rowlett|gib|access-date=2 August 2012}}

The Detached Mole ("B" Head) Lighthouse comprises a square tower built of concrete, on piles, with a height of {{convert|37|ft}}. The light characteristic is a quick, flashing red light, and the range is 5 nautical miles. The focal plane of the light is {{convert|29|ft}}.

The United Kingdom Hydrographic Office Admiralty number for the lighthouse, originating in Volume D of the Admiralty List of Lights and Fog Signals, is D 2445.{{cite web|title=Gibraltar|url=http://www.trabas.de/html/gibmain.html|work=trabas.de|publisher=The Online List of Lights|accessdate=2 August 2012|url-status=dead|archiveurl=https://web.archive.org/web/20120117104701/http://www.trabas.de/html/gibmain.html|archivedate=17 January 2012|df=dmy-all}} The United States National Geospatial-Intelligence Agency (NGA) number, from Publication 113 - List of Lights, Radio Aids, and Fog Signals, is 4228.{{cite web|title=Publication 113 - List of Lights, Radio Aids, and Fog Signals|url=http://msi.nga.mil/MSISiteContent/StaticFiles/NAV_PUBS/NIMA_LOL/Pub113/Pub113bk.pdf|work=msi.nga.mil|publisher=United States National Geospatial-Intelligence Agency|accessdate=2 August 2012|page=XI-XIII, 71|archive-url=https://web.archive.org/web/20181211044502/https://msi.nga.mil/MSISiteContent/StaticFiles/NAV_PUBS/NIMA_LOL/Pub113/Pub113bk.pdf|archive-date=11 December 2018|url-status=dead}} Its Amateur Radio Lighthouse Society number, from the ARLHS World List of Lights (WLOL), is GIB-003.{{cite web|title=ARLHS World List of Lights (WLOL) - Gibraltar|url=http://wlol.arlhs.com/index.php?mode=zones&zone=GIB|work=wlol.arlhs.com|publisher=Amateur Radio Lighthouse Society|accessdate=2 August 2012}}{{cite web|title=Detached Mole, "B" Head Light ARLHS GIB-003|url=http://wlol.arlhs.com/lighthouse/GIB3.html|work=wlol.arlhs.com|publisher=Amateur Radio Lighthouse Society|accessdate=2 August 2012}}

References

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