Port Austin Light

Port Austin Light
Map
LocationPort Austin Reef, 2.5 miles (4.0 km) north of Port Austin, Michigan (Port aux Barques Township)
Coordinates44°05′N 82°59′W / 44.083°N 82.983°W / 44.083; -82.983
Tower
Constructed1878 Edit this on Wikidata
FoundationBrick, cement, crushed stone
ConstructionBrick
Automated1953
Height60 feet (18 m)[1]
ShapeSquare
MarkingsBuff square tower with attached house w/red roof.[2]
HeritageNational Register of Historic Places listed place Edit this on Wikidata
Light
First lit1878
Focal height76 feet (23 m)[2][3][4][5]
LensFourth order Fresnel lens (original), 12-inch (300 mm) Tideland Signal ML-300 acrylic[4][6] (current)
Range8 nautical miles (15 km; 9.2 mi)[2] Other sources claim 14.3 nautical miles; 26.6 kilometres (16.5 mi)[4]
CharacteristicWhite, every 6 seconds.[2]
Port Austin Reef Light
MPSLight Stations of the United States MPS
NRHP reference No.11000666[7]
Added to NRHPSeptember 15, 2011

Port Austin Lighthouse (or Port Austin Reef Light) is a lighthouse off the shore of Lake Huron, about 2.5 miles (4.0 km) north of Port Austin, Huron County Michigan sitting on a rocky reef (shoal), which is just north of the tip of the Thumb and a real hazard to navigation.

  1. ^ Pepper, Terry. "Database of Tower Heights". Seeing the Light. terrypepper.com. Archived from the original on 2000-09-18. Retrieved 2009-10-14.
  2. ^ a b c d Light List, Volume VII, Great Lakes (PDF). Light List. United States Coast Guard. p. 106.
  3. ^ Rowlett, Russ. "Lighthouses of the United States: Michigan's Eastern Lower Peninsula". The Lighthouse Directory. University of North Carolina at Chapel Hill.
  4. ^ a b c Extensive history of the Port Austin Lighthouse at Seeing the Light by Terry Pepper.
  5. ^ But see, based on the 1910 Coast Guard light list, a claim that the Focal plane as 80 feet (24 m). Pepper, Terry. "Database of Focal Heights". Seeing the Light. terrypepper.com. Archived from the original on 2008-08-30. Retrieved 2009-10-14.
  6. ^ But see, Michigan Lighthouse Conservancy, Port Austin Reef Light. which claims a 7.9-inch (200 mm) glass optic.
  7. ^ "Weekly list of actions taken on properties: 9/12/11 through 9/16/11". National Park Service. September 23, 2011. Retrieved September 27, 2011.