Blitvenica Lighthouse

Blitvenica Lighthouse is an active lighthouse on a Croatian islet of the same name, at the extreme western end of the Šibenik archipelago, and lies to the southwest of the island of Žirje in the Adriatic Sea.[1]

Blitvenica Lighthouse
Blitvenica Lighthouse
LocationŽirje, Croatia
Coordinates43.625254°N 15.574502°E / 43.625254; 15.574502
Year first constructed1872
Automated1990 
Constructionstone tower
Tower shapeoctagonal tower with lantern and gallery
Markings / patternunpainted stone tower and white lantern
Tower height21 metres (69 ft)
Focal height38 metres (125 ft)
Rangemain: 24 nautical miles (44 km; 28 mi)
reserve: 12 nautical miles (22 km; 14 mi)
CharacteristicFl (2) W 30s.
Admiralty numberE3226
NGA number13304
ARLHS numberCRO-002

The steep rocky islet lies next to a deep water abyss with depths reaching 200 metres (660 ft), with the steeply shelving sea floor containing red coral. The deep water is rich in fish such as tuna, making it a popular big game fishing spot. Blue sharks have also been seen feeding on the tuna nearby. Blitvenica is well known for its strong currents and rough seas, making landing risky except in calm conditions.[1][2]

History

Completed in 1872, the lighthouse consists of a two-storey house, built around the base of a 21 metre high octagonal tower, which supports a single gallery and a white painted lantern. Construction of the lighthouse was often delayed due to the difficulties of landing materials on the islet in rough seas. Workers were often stranded for a number of days when the conditions worsened, leaving them to exist on minimal provisions. Obtaining fresh water was also a problem due to the low rainfall, so a water cistern was also built for the keepers, and is still used today.[2]

At a height of 38 m above the sea, the light has a range of 24 nautical miles and consists of two flashes of white light every thirty seconds.[1][3] There is also a secondary standby light that has a range of 12 nautical miles.[4]

The lighthouse is operated and maintained by the state owned company Plovput. In 1990 the light was automated and the keepers were withdrawn, but in 2002 they returned to the site due to its importance, and to help with its upkeep and to keep it secure. A shift on the islet lasts for fifteen days.[2]

In 2011, Blitvenica in conjunction with the lighthouses at Mulo and Prisnjak were depicted in a set of commemorative stamps by the Croatian postal service Hrvatska pošta.[2]

gollark: Truly, none are safe.
gollark: It now has.
gollark: You mean "logarithmic".
gollark: My calculator has an exponential regression feature on it, I should use that.
gollark: Yes, this linear model is wrong because we have exponential growth.

See also

References
  1. Rowlett, Russ. "Lighthouses of Central Croatia". The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 10 February 2015.
  2. "Blitvenica". Lighthouses 2011. Posta Hrvatska. Archived from the original on 20 February 2015. Retrieved 10 February 2015.
  3. List of Lights, Pub. 113: The West Coasts of Europe and Africa, the Mediterranean Sea, Black Sea and Azovskoye More (Sea of Azov) (PDF). List of Lights. United States National Geospatial-Intelligence Agency.
  4. "Lighthouse Cliff Blitvenica". plovput.hr. Plovput. Retrieved 5 June 2019.
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