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Hog Island Shoal Lighthouse


Hog Island Shoal hog_island_shoal_light_1_1-28-11.jpg
 Courtesy of the National Archives 


Location: Entrance to Mount Bay
Location: 1901 - present l Lat 41 37 56 N - Long 71 16 23 W
Established: 1901
Lighthouse Constructed: 1901
Automated: 1964
Original Illuminating Apparatus: Fifth Order Fresnel Lens
Second Illuminating Apparatus: Fourth Order Fresnel Lens
Third Illuminating Apparatus: 250-mm lens
Current Illuminating Apparatus: VLB-44 (LED)
Height: 60 feet
Status: Active Aid to Navigation
Light Characteristic: Fixed White (1906)
Light Characteristic: Isosphase White every 6 seconds (2005)
Range: 12½ miles (1906)
Range: 12½ miles (1906)
Range: 13 miles (1953)
Fog Signal: Compressed Air Siren (1912)
Fog Signal: Electric Siren (1953)
Fog Signal Characteristic: Siren Blast for 3 Seconds (1912)
Fog Signal Characteristic: Silent for 10 Seconds
Fog Signal Characteristic: Siren Blast for 3 Seconds
Fog Signal Characteristic: Silent for 10 Seconds

Location:

Entrance to Mount Bay

1901 - present Lat 41 37 56 N - Long 71 16 23 W
Established:
1901
Lighthouse Constructed:
1901
Automated:
1964
Original Illuminating Apparatus:
Fifth Order Fresnel Lens
Second Illuminating Apparatus:
Fourth Order Fresnel Lens
Third Illuminating Apparatus:
250-mm lens
Current Illuminating Apparatus:
VLB-44 (LED)
Height:
60 feet
Status:
Active Aid to Navigation
Light Characteristic:
Fixed White (1906)

Isosphase White every 6 seconds (2005)
Range:
12½ miles (1906)
12½ miles (1906)
13 miles (1953)
Fog Signal:
Compressed Air Siren (1912)
Electric Siren (1953)
Fog Signal Characteristic:
Siren Blast for 3 Seconds (1912)
Silent for 10 Seconds
Siren Blast for 3 Seconds
Silent for 10 Seconds

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