Tankar Lighthouse

Tankar Lighthouse (Finnish: Tankarin majakka, Swedish: Tankar fyr) is a lighthouse located on the island of Tankar in the Bothnian Bay on the west coast of Finland, outside the city of Kokkola, serving the shipping lane to the Port of Kokkola c. 15 kilometres (8.1 nmi) away.^[1][2]

Tankar Lighthouse
Tankar majakka

Tankar Lighthouse in 2006
Location	Bothnian Bay, Baltic Sea
Coordinates	63.9500°N 22.8465°E / 63.9500; 22.8465
Tower
Constructed	1888
Construction	Iron
Height	29.6 m (97 ft)
Markings	Red with white stripe
Power source	rapeseed oil, electricity
Heritage	Cultural Heritage Site of National Significance
Light
First lit	1889
Focal height	37.8 m (124 ft)
Range	17.5 nmi (32.4 km; 20.1 mi)
Characteristic	Fl W 3.5s

It is not known who designed the lighthouse; one theory suggests the Eiffel Engineering Company.^[2] Similarly, the manufacturer of the iron structure is unknown, and possibly of German origin.^[2]

The light source used to burn oil, but was converted to electricity in 1961, which also greatly increased the range of the illumination.^[2]