Yeşilköy Feneri

Yeşilköy Feneri is a historical lighthouse still in use located on the northern coast of Sea of Marmara at Yeşilyurt neighborhood (once part of Yeşilköy) in Istanbul's Bakırköy district, Turkey.

Yeşilköy Feneri
Agios Stefanos
Yeşilköy Feneri
Turkey Istanbul
LocationYeşilköy
Istanbul
Turkey
Coordinates40°57′30.8″N 28°50′20.4″E
Year first constructed1856[1]
Year first lit1857[2]
Constructionstone tower
Tower shapeoctagonal prism prism tower centered on the keeper's house[3]
Markings / patternwhite tower[4]
Tower height16 m (52 ft)[3]
Focal height23 m (75 ft)[3]
Current lens500mm catadioptric cylindrical lens[3]
Intensity500 W[3]
Range15 nmi (28 km)[3][5][6]
CharacteristicFl W 10s.[1][6]
Fog signalblast every 30s.[5][6]
Admiralty numberE4902[4]
NGA number17104[4]
ARLHS numberTC1YLH[7]
Turkey numberTUR-055[7]

History

Built in 1856, it was initially called Ayostefanos Feneri (Hagios Stefanos Lighthouse) after the suburb's former name.[3][6]

The lighthouse was commissioned by the Ottoman sultan Abdülmecid I (reigned 1839–1861) in order to provide safe navigation around the shallow waters before the Yeşilköy Point for ships plying the northwestern coast of the Sea of Marmara towards Istanbul.[6] It is situated roughly 14 km (8.7 mi) to the southwest of the southern entrance to the Bosporus.[3]

It was built by French engineers in 1856 in the form of a masonry octagonal prism with two stages. Since the ground at the location is not elevated enough from the sea level, the 16 m (52 ft) tower was constructed on a platform, enabling a focal height of 23 m (75 ft).[3] The structure is painted entirely white.[4] A two-story outbuilding is annexed, that was used as the keeper's living quarters and for administrative purposes. A gallery encircles the tower's lantern room. Atop the tower's cupola, a flag post is erected.[5]

Yeşilköy Lighthouse went in service on January 5, 1857.[2] Initially, it was lit by kerosene, but was later replaced by a Dalén light using carbide (acetylene gas). Nowadays, the light runs on electricity. The lighthouse's lantern has a 500mm catadioptric cylindrical lens and a 500 W light source that flashes every 10 seconds in group. Its white light is visible at a range of 15 nmi (28 km). In foggy conditions, a foghorn sounds every 30 seconds to warn of the hazardous area.[3][5][6]

The lighthouse is listed in Turkey under the code "TUR 055" and its radio call sign is TC1YLH.[7] It is maintained by the Coastal Safety Authority (Turkish: Kıyı Emniyeti Genel Müdürlüğü) of the Ministry of Transport and Communication.[3] The lighthouse underwent restoration in the years 1945, 1971 and 1988.[6]

The outbuilding of the lighthouse was converted into a fish and seafood restaurant, which can host 100 guests in the main hall and 40 people in the conservatory. Furthermore, 150 customers can dine on an open-air terrace in the summer months.[8]

gollark: It would be important to make it reasonably easy to add and update packages.
gollark: Well, it would be less useful if there wasn't a good central repo too.
gollark: "Search packages" is `pacman -Ss [whatever]`, "install" is `pacman -S [whatever]`, "update repos and update all packages" (it is apparently unsafe to update only individual packages) is `pacman -Syu`.
gollark: You pick a "subcommand" with a capital-letter flag like `-S` (sync, which seems to be a fancy word for "Install packages"), `-Q` (query information aboud stuff) and then pass extra flags to configure how that works.
gollark: > what's a pacman-like CLI?Arch Linux (btw I use that) has a neat package manager called `pacman`.> what counts as package updating support?Updating packages without breaking things horribly, including not overwriting user-edited (config) files.> and library interface as in an API you can use from scripts?Precisely.

See also

References
  1. Toroslu, M. Vefa. "Denizciye Göz Kırpan Sevdalar-Debiz Fenerleri" (PDF) (in Turkish). DTO İzmir. Retrieved 2010-09-14.
  2. "Deniz Fenerleri-Yeşilköy Feneri" (in Turkish). Balılçı Forum. Retrieved 2010-09-14.
  3. "Historical Lighthouses-Yeşilköy Lighthouse". Ministry of Transport-Directorate General of Coastal Safety. Retrieved 2010-09-15.
  4. Rowlett, Russ. "Lighthouses of Northwestern Turkey". The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 2010-09-15.
  5. "Yeşilköy Feneri". Kent Haber (in Turkish). 2009-06-03. Retrieved 2010-09-14.
  6. "Yeşilköy" (in Turkish). istanbul.com. Retrieved 2010-09-14.
  7. "Marmara Lighthouses On The Air (MLOTA) Award by TCSWAT" (PDF). TCSWAT. Retrieved 2010-09-15.
  8. "Fener Lokantası" (in Turkish). hangirestoran.com. Retrieved 2014-09-29.
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