Lighthouses and Lightships With Fog Signals for North Atlantic (1973)

18581859 18601861 1862 1863 1864 186518661867 1868 1869
18701871 1872 1873 1874 1875 1876 1877 187818791880 1881 1882 1883 1884 1885 18861887 18881889
1890 1891 1892 18931894 1895 1896 1897 189818991900 1901 1902 1903 1904 19051906 1907 19081909
1910 1911 1912 1913 1914 19151916 19171918 1919 19201921 1922 1923 1924 1925 1926 19271928 1929
1930 19311932 1933 1934 19351936 1937 1938 1939 1940 1941 1942 19431944 1945194619471948 1949
1950195119521953195419551956 19571958 195919601961 1962 19631964 196519661967 1968 1969
19701971 1972197319741975 19761977 19781979 1980 1981 1982
Hide InsetsAll SignalsLighthouses
3- Diaphone

Lighthouses with Audible Fog Signals

Boston Lightship MA DIAPHONE: 1 blast ev 30s (3sbl). N42 20.400 W070 45.500
Nantucket Shoals Lightship MA DIAPHONE, two-tone; 1 blast ev 30s (3sbl). when operating, is synchronized with radiobeacon ev 6 minutes for distance finding. N40 30.000 W069 28.000
Portland Lightship ME DIAPHONE, 1 blast ev 30s (3sbl). N43 31.600 W070 05.500