National Museum of American History, Behring Center

Lighthouse Postcards

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Ship John Shoal postcard face - click to enlarge

Ship John Shoal postcard obverse - click to enlarge

Locate on NOAA nautical chart

Historical chart

Ship John Shoal

State: DE
Year established: 1854
Latitude: 39 deg 18 min 19 sec N
Longitude: 75 deg 22 min 36 sec W
Height above sea level: 50 feet

Original construction:
octagonal wooden screwpile lighthouse

1877: present brown octagonal dwelling with pyramidal roof; on cylindrical caisson-base pier

automated in 1973; active aid to navigation

Light characteristic:
Flashing white every 5 seconds visible for 16 nautical miles, with red sector visible for 12 nautical miles; 1 horn blast every 15 seconds (March 15 to Dec 15)

Although listed by the NJ Lighthouse Society, both the USCG Light Station List and the National Park Service Inventory of Historic Light Stations place this light in Delaware waters

More information:
Holland Jr., F. Ross, America's Lighthouses: Their Illustrated History Since 1716, (Brattleboro, VT: The Stephen Greene Press, 1972), p. 100
U.S. Department of Homeland Security / United States Coast Guard, Light List, Volume 2 Atlantic Coast, Shrewsbury River, New Jersey to Little River, South Carolina, (Washington, DC: GPO, 2004), p. 16