Minot's Ledge (Massachusetts)
Historical Light List Characteristics
| 1865-1866 | F W. W15. | LHB Light List (All Coasts): 55 |
| 1868 | ||
| 1870 | LHB Light List (All Coasts): 58 | |
| 1878 | LHB Light List (All Coasts): 75 | |
| 1879 | F W. W16. | |
| 1886 | F W. W151/4. | LHB Light List (All Coasts): 76 |
| 1888 | LHB Light List (All Coasts): 78 | |
| 1893 | F W. W143/4. | LHB Light List (Atlantic): 86 |
| 1898 | Fl(1 + 4 + 3) W 30s. W143/4. 1 flash, eclipse 3 sec., 4 flashes, eclipse 3 sec., 3 flashes, eclipse 15 sec. | LHB Light List (Atlantic): 102 |
| 1899 | LHB Light List (Atlantic): 104 | |
| 1905 | LHB Light List (Atlantic): 123 | |
| 1908 | LHB Light List (Atlantic): 129 | |
| 1915 | Fl(1 + 4 + 3) W 30s. W15. 1 flash, eclipse 3 sec., 4 flashes, eclipse 3 sec., 3 flashes, eclipse 16 sec. Each flash 0.2 sec. | USLHS Light List (Atlantic): 157 |
| 1917 | USLHS Light List (Atlantic): 166 | |
| 1920 | USLHS Light List (Atlantic): 170 | |
| 1927 | USLHS Light List (Atlantic): 165 | |
| 1931 | Fl(1 + 4 + 3) W 30s. W15. 1 flash, eclipse 3 sec., 4 flashes, eclipse 4 sec., 3 flashes, eclipse 16 sec. Each flash 0.2 sec. | USLHS Light List (Atlantic): 168 |
| 1935 | USLHS Light List (Atlantic): 181 | |
| 1940 | USCG Light List (Atlantic): 200 | |
| 1943 | USCG Light List (Atlantic): 263 | |
| 1945-1947 | USCG Light List (Atlantic): 286 | |
| 1950-1952 | Fl(1 + 4 + 3) W 30s. W15. 1 flash, eclipse 3 sec., 4 flashes, eclipse 3 sec., 3 flashes, eclipse 16 sec. Each flash 0.45 sec. | |
| 1953-1955 | Fl(1 + 4 + 3) W 30s. W15. fl 0.45, ec 3, fl 0.45, ec 0.88, fl 0.45, ec 0.88, fl 0.45, ec 0.88, fl 0.45, ec 3, fl 0.45, ec 0.88, fl 0.45, ec 0.88, fl 0.45, ec 16. | USCG Light List - Vol. I-VI: 45 |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 45 | |
| 1961 | USCG Light List - Vol. I: 45 | |
| 1963-1964 | ||
| 1965 | Fl(1 + 4 + 3) W 45s. W15. fl 1.5, ec 5, fl 1.5, ec 1.5, fl 1.5, ec 1.5, fl 1.5, ec 1.5, fl 1.5, ec 5, fl 1.5, ec 1.5, fl 1.5, ec 1.5, fl 1.5, ec 15.5. | |
| 1966 | USCG Light List - Vol. I: 46 | |
| 1969-1972 | ||
| 1973-1979 | Fl(1 + 4 + 3) W 45s. W10. fl 1.5, ec 5, fl 1.5, ec 1.5, fl 1.5, ec 1.5, fl 1.5, ec 1.5, fl 1.5, ec 5, fl 1.5, ec 1.5, fl 1.5, ec 1.5, fl 1.5, ec 15.5. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 395 | |
| 1990-1992 | USCG Light List - Vol. I: 400 | |
| 1993-1996 | USCG Light List - Vol. I: 440 | |
| 2004 |
Historical Light List Optics and Structures
| 1865-1866 | 2nd | 100 | 92 | Tower, dark grey granite with bronze lantern. | LHB Light List (All Coasts): 55 |
| 1868 | |||||
| 1870 | LHB Light List (All Coasts): 58 | ||||
| 1878-1879 | Tower, dark-grey granite, with bronze lantern. | LHB Light List (All Coasts): 75 | |||
| 1886 | Dark-gray granite tower, with black lantern. | LHB Light List (All Coasts): 76 | |||
| 1888 | LHB Light List (All Coasts): 78 | ||||
| 1893 | 89 | 841/2 | Conical, dark-gray granite tower, with black lantern. | LHB Light List (Atlantic): 86 | |
| 1898 | LHB Light List (Atlantic): 102 | ||||
| 1899 | LHB Light List (Atlantic): 104 | ||||
| 1905 | Dark-gray, conical, granite tower, with black lantern. | LHB Light List (Atlantic): 123 | |||
| 1908 | LHB Light List (Atlantic): 129 | ||||
| 1915 | N/A | 97 | 85 | Dark-gray, conical, granite tower. | USLHS Light List (Atlantic): 157 |
| 1917 | USLHS Light List (Atlantic): 166 | ||||
| 1920 | USLHS Light List (Atlantic): 170 | ||||
| 1927 | USLHS Light List (Atlantic): 165 | ||||
| 1931 | 2 iov | Dark-gray, conical tower. | USLHS Light List (Atlantic): 168 | ||
| 1935 | USLHS Light List (Atlantic): 181 | ||||
| 1940 | USCG Light List (Atlantic): 200 | ||||
| 1943 | USCG Light List (Atlantic): 263 | ||||
| 1945-1947 | USCG Light List (Atlantic): 286 | ||||
| 1950-1952 | 375 mm e | ||||
| 1953-1955 | N/A | Dark gray conical tower. | USCG Light List - Vol. I-VI: 45 | ||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 45 | ||||
| 1961 | USCG Light List - Vol. I: 45 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 46 | ||||
| 1969 | N/A | ||||
| 1970-1979 | 97 | ||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 395 | ||||
| 1990-1992 | USCG Light List - Vol. I: 400 | ||||
| 1993-1996 | On gray conical tower. | USCG Light List - Vol. I: 440 | |||
| 2004 |
Historical Light List Audible Fog Signals
| 1865-1866 | Fog-signal bell rung by machinery. | None | LHB Light List (All Coasts): 55 |
| 1868 | |||
| 1870 | A bell struck by machinery. | LHB Light List (All Coasts): 58 | |
| 1878-1879 | A bell, struck by machinery. | LHB Light List (All Coasts): 75 | |
| 1886 | Bell struck by machinery every 30 sec. | LHB Light List (All Coasts): 76 | |
| 1888 | LHB Light List (All Coasts): 78 | ||
| 1893 | LHB Light List (Atlantic): 86 | ||
| 1898 | LHB Light List (Atlantic): 102 | ||
| 1899 | LHB Light List (Atlantic): 104 | ||
| 1905 | LHB Light List (Atlantic): 123 | ||
| 1908 | Bell struck by machinery a single blow every 30 sec. | LHB Light List (Atlantic): 129 | |
| 1915 | Bell; 1 stroke every 30 sec. | USLHS Light List (Atlantic): 157 | |
| 1917 | USLHS Light List (Atlantic): 166 | ||
| 1920 | USLHS Light List (Atlantic): 170 | ||
| 1927 | USLHS Light List (Atlantic): 165 | ||
| 1931 | BELL; 1 stroke every 30 sec. | USLHS Light List (Atlantic): 168 | |
| 1935 | USLHS Light List (Atlantic): 181 | ||
| 1940 | USCG Light List (Atlantic): 200 | ||
| 1943 | USCG Light List (Atlantic): 263 | ||
| 1945-1947 | USCG Light List (Atlantic): 286 | ||
| 1950-1952 | None | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 45 | ||
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 45 | ||
| 1961 | USCG Light List - Vol. I: 45 | ||
| 1963-1964 | |||
| 1965 | HORN, diaphragm; gp of 2 blasts ev 30s (2sbl-3ssi-2sbl-23ssi). | ||
| 1966 | USCG Light List - Vol. I: 46 | ||
| 1969-1971 | HORN, diaphragm; 2 blasts ev 30s (2sbl-3ssi-2sbl-23ssi). | ||
| 1972-1979 | None | ||
| 1982 | HORN: 1 blast ev 10s (1s bl). | ||
| 1987 | HORN: 1 blast ev 10s (1s bl). | USCG Light List - Vol. I: 395 | |
| 1990-1992 | USCG Light List - Vol. I: 400 | ||
| 1993-1996 | USCG Light List - Vol. I: 440 | ||
| 2004 | HORN: 1 blast ev 10s (1s bl). |
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1850 - Present (Exact location of current 1860 lighthouse. Location of original 1850 lighthouse is assumed to be very close.) |