Harmaja Lighthouse, Navigation lighthouse in Gulf of Finland, Finland
Harmaja Lighthouse is a navigation tower in the Gulf of Finland featuring a cylindrical structure with red and white horizontal stripes built on a square granite base. The tower rises 15 meters above sea level and transmits a rotating light signal that cycles through white, red, and green every six seconds to guide ships safely through the waters.
The lighthouse was constructed in 1883 with an initial height of approximately 7 meters and then extended to 15 meters in 1900 to improve maritime navigation safety. This expansion reflected growing maritime traffic needs in the Gulf of Finland during the late 1800s.
The lighthouse carries different names across languages, known as Harmajan majakka in Finnish and Gråhara fyr in Swedish, reflecting the bilingual nature of Finland.
The light signal is visible from sea and can be observed from boats and ships traveling through the Gulf of Finland. Visitors should know that visibility is best during clear weather and in darker hours.
In 1936 this lighthouse became the first installation worldwide to receive both directed and undirected radio beacon systems for maritime navigation support. This technical breakthrough set a new standard for maritime safety and marked a milestone in navigation history.
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