The Buholmråsa Lighthouse () is a

coastal lighthouse A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lens (optics), lenses and to serve as a beacon for navigational aid for maritime pilots at sea or on inland waterways. Ligh ...

Osen Municipality Osen is a municipality in Trøndelag county, Norway. It is part of the Fosen region. The administrative centre of the municipality is the village of Osen. The other main village is Seter. Most residents live in the coastal areas or in the Stei ...

Trøndelag Trøndelag (; or is a county and coextensive with the Trøndelag region (also known as ''Midt-Norge'' or ''Midt-Noreg,'' "Mid-Norway") in the central part of Norway. It was created in 1687, then named Trondhjem County (); in 1804 the county was ...

county,

Norway Norway, officially the Kingdom of Norway, is a Nordic countries, Nordic country located on the Scandinavian Peninsula in Northern Europe. The remote Arctic island of Jan Mayen and the archipelago of Svalbard also form part of the Kingdom of ...

. The lighthouse is located in the Svesfjorden on the small island ''Sønnaholmen'' about northwest of the village of Seter. It was built in 1917 and automated in 1994. The

Kya Lighthouse The Kya Lighthouse () is a coastal lighthouse in Osen Municipality in Trøndelag county, Norway. The lighthouse is located on the small island of Kya in the ocean about northwest of the village of Seter, Osen, Seter. The Buholmråsa Lighthouse ...

lies on a small island in the open ocean about to the northwest of Buholmråsa Lighthouse. During

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

, air raids damaged some of the buildings at this station. The tall, round,

cast iron Cast iron is a class of iron–carbon alloys with a carbon content of more than 2% and silicon content around 1–3%. Its usefulness derives from its relatively low melting temperature. The alloying elements determine the form in which its car ...

lighthouse is red with one white stripe and it can be seen for up to . The light sits on top at an elevation of above sea level. The 140,400-

candela The candela (symbol: cd) is the unit of luminous intensity in the International System of Units (SI). It measures luminous power per unit solid angle emitted by a light source in a particular direction. Luminous intensity is analogous to radi ...

light emits a white, red, or green light (depending on direction),

occulting An occultation is an event that occurs when one object is hidden from the observer by another object that passes between them. The term is often used in astronomy, but can also refer to any situation in which an object in the foreground blocks f ...

once every six seconds. The lighthouse also broadcasts a

racon Radar beacon (short: racon) is – according to ''article 1.103'' of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) – defined as "A transmitter-receiver associated with a fixed navigational mark which, when trig ...

signal that is a

morse code Morse code is a telecommunications method which Character encoding, encodes Written language, text characters as standardized sequences of two different signal durations, called ''dots'' and ''dashes'', or ''dits'' and ''dahs''. Morse code i ...

letter B (-•••).

References

External links

Norsk Fyrhistorisk Forening
Lighthouses completed in 1917 Osen Lighthouses in Trøndelag {{Norway-lighthouse-stub

See also

References

External links