Lighthouse on Plum Island
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Location | Plum Island (New York) |
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Coordinates | 41°10′25.20″N 72°12′41.47″W / 41.1736667°N 72.2115194°WCoordinates: 41°10′25.20″N 72°12′41.47″W / 41.1736667°N 72.2115194°W |
Year first lit | 1827 |
Automated | 1978 |
Construction | second light on granite house (1869) metal tower (1978) |
Height | 50 feet (15 m) from sea level |
Original lens | 10 whale oil lamps (1827) Sixth-order fresnel (1856) Fourth-order fresnel (1897) Automated flash (1978) |
Range | 5 nautical miles (9.3 km) |
Characteristic | 2.5 second White flash |
ARLHS number | USA-606 |
USCG number |
1-21090 |
Plum Island Light Station
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NRHP Reference # | 11000014 |
Added to NRHP | February 11, 2011 |
1-21090
Plum Island Light, also known as Plum Gut Light, is located on the western end of Plum Island, which lies east of Orient Point which in turn is at the end of the North Fork of Long Island in the US state of New York. An historic granite lighthouse originally built in 1869 sits at the site, but no longer serves as an active aid to navigation. It was listed on the National Register of Historic Places in 2011. A short distance northwest of the granite lighthouse building is a 14 feet (4.3 m) metal tower that holds the automated light that has served as an aid to navigation since the earlier light was decommissioned in 1978.
In 1826 the west end of Plum Island was purchased from Richard Jerome for $90 for the purpose of building a lighthouse. The following year a 35 feet (11 m) high stone tower had been constructed to support the first light. That first light consisted of ten whale oil lamps with reflectors. The light helped navigation near the entrance to Long Island Sound, especially through the "Plum Gut" channel between Orient Point and Plum Island. In 1856 the original lamps and reflectors were replaced by a sixth-order Fresnel lens.
By the late 1860s the lighthouse was falling into disrepair. A new 55-foot (17 m) tall granite lighthouse building was constructed and in service by 1869. The structure is of the same design as lighthouses at Sheffield Island in Norwalk, Connecticut; Morgan Point in Noank, Connecticut; Great Captain Island in Greenwich, Connecticut, Old Field Point in Old Field, New York; and Block Island North on Block Island Rhode Island. The sixth order lens from the original lighthouse had been moved to the new building, then it was changed to a newer fourth-order lens in 1897.