Rivinletto Light
Rivinletto Light is a sector light tower located on Kaasamatala, a small island at the mouth of river Kiiminkijoki in Haukipudas, Oulu, Finland. The tower is concrete, with its top half painted black and bottom half painted white. The steel lantern room is painted white. The tower is located on the south side of the main channel of Kiiminkijoki river.
 Rivinletto Light | |
  Finland | |
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| Location | Haukipudas, Oulu, Finland |
|---|---|
| Coordinates | 65°12.11′N 25°14.91′E |
| Year first constructed | 1939 |
| Year first lit | 1939 |
| Construction | concrete tower |
| Tower shape | cylindrical tower with balcony and octagonal steel lantern |
| Markings / pattern | white lower tower, black upper tower, black balcony, white lantern |
| Tower height | 8 metres (26 ft) |
| Focal height | 8 metres (26 ft) |
| Range | 3.5 nautical miles (6.5 km; 4.0 mi) |
| Characteristic | Fl W 6s. |
| Admiralty number | C4122 |
| NGA number | 18680 |
| ARLHS number | FIN-085[1] |
The light is used to guide vessels into the Kiiminkijoki river boating channel and into the Martinniemi harbour. It displays a white flash every three seconds, visible in a sector 016°—248° as seen from a vessel approaching the light. The focal plane of the light is 7.6 metres (24 ft 11 in), and it can be seen from a distance of 3.5 nautical miles (6.5 km; 4.0 mi).[2]
References
- Rowlett, Russ. "Lighthouses of Northern Finland". The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved January 19, 2016.
- List of Lights of Finland 2005. Merenkulkulaitos (Finnish Maritime Administration).
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