Cape Decision Light

Last updated
Cape Decision Light
USCGCape Decision.jpg
Cape Decision Light
LocationSouthwestern extremity of Kuiu Island, Alaska
Coordinates 56°00′05″N134°08′09″W / 56.001463°N 134.135822°W / 56.001463; -134.135822 Coordinates: 56°00′05″N134°08′09″W / 56.001463°N 134.135822°W / 56.001463; -134.135822
Tower
Foundation Rock
Construction Concrete
Height75 feet (23 m)
Shapesquare tower on building
HeritageNational Register of Historic Places listed place  OOjs UI icon edit-ltr-progressive.svg
Light
First lit1932
Automated1974
Focal height23 m (75 ft)  OOjs UI icon edit-ltr-progressive.svg
LensThird order Fresnel lens (original), Solar powered aero beacon (current)
Range18 nautical miles (33 km; 21 mi)
Characteristic flashing White 5s, Obscured from 134° to 245°. Emergency light (Fl W 5s) of reduced intensity if main light is extinguished.
Cape Decision Light Station
Alaska Heritage Resources Survey
Nearest city Edna Bay
Arealess than one acre
Architect U.S. Lighthouse Service
Architectural style Moderne
MPS Light Stations of the United States MPS
NRHP reference No. 04001568 [1]
AHRS No.XPA-00012
Significant dates
Added to NRHPFebruary 2, 2005
Designated AHRS[date]

Cape Decision is a lighthouse located on Kuiu Island adjacent to Sumner Strait in Southeast Alaska.

Contents

History

The first attempt to light these waters was an acetylene lantern placed on the Spanish Islands, just off the southern end of Kuiu Island. The lantern was proved ineffective and consequently Congress appropriated $59,400 in 1929 for a lighthouse and construction began in September of that year. However, weather and inadequate funds delayed the completion of the station until it finally became active in March 1932. The total cost ended up in excess of $150,000. The lighthouse became automated in 1974 and in 1989 fire damaged the tram, dock, boathouse, hoist house, paint shed, and helipad. The original third order Fresnel lens was replaced in 1996 with solar powered aero beacon. The lens is on display in Clausen Museum in the nearby community of Petersburg.

The lighthouse was added to the National Register of Historic Places in 2005. [1] [2]

It is currently an active aid to navigation. The lighthouse is currently owned and maintained by the Cape Decision Lighthouse Society.

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Kuiu Island is an island in the Alexander Archipelago in southeastern Alaska. It lies between Kupreanof Island, to its east, and Baranof Island, to its west. The island is 105 km (65 mi) long, and 10 to 23 km wide. It is nearly cut in two by Affleck Canal. It has 1,936.16 km2 (747.56 sq mi) of land area, making it the 15th largest island in the United States. The entire island is part of Tongass National Forest. The population was 10 persons at the 2000 census. It is separated from Baranof Island by Chatham Strait.

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References

  1. 1 2 "National Register Information System". National Register of Historic Places . National Park Service. March 13, 2009.
  2. "National Register of Historic Places Inventory/Nomination: Cape Decision Light Station". National Park Service. and accompanying photos