Yeşilköy Feneri


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

History

Built in 1856, it was initially called Ayostefanos Feneri after the suburb's former name.
The lighthouse was commissioned by the Ottoman sultan Abdülmecid I 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. It is situated roughly to the southwest of the southern entrance to the Bosporus.
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 tower was constructed on a platform, enabling a focal height of. The structure is painted entirely white. 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.
Yeşilköy Lighthouse went in service on January 5, 1857. Initially, it was lit by kerosene, but was later replaced by a Dalén light using carbide. 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. In foggy conditions, a foghorn sounds every 30 seconds to warn of the hazardous area.
The lighthouse is listed in Turkey under the code "TUR 055" and its radio call sign is TC1YLH.
It is maintained by the Coastal Safety Authority of the Ministry of Transport and Communication. The lighthouse underwent restoration in the years 1945, 1971 and 1988.
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.