Whaleback Ledge (Maine)
Historical Light List Characteristics
| 1839 | F W. | USLHE Light List (US): 32 |
| 1849 | F W. W16. | USLHE Light List (US): 35 |
| 1858 | FFl W 90s. F121/2, Fl121/2. | LHB Light List (US): 49 |
| 1860 | LHB Light List (US): 42 | |
| 1865-1866 | LHB Light List (All Coasts): 42 | |
| 1868 | ||
| 1870 | LHB Light List (All Coasts): 43 | |
| 1878 | LHB Light List (All Coasts): 53 | |
| 1879 | FFl W 90s. F13, Fl13. | |
| 1886 | ||
| 1888 | LHB Light List (All Coasts): 55 | |
| 1893 | LHB Light List (Atlantic): 62 | |
| 1898 | LHB Light List (Atlantic): 70 | |
| 1899 | LHB Light List (Atlantic): 71 | |
| 1905 | LHB Light List (Atlantic): 76 | |
| 1908 | LHB Light List (Atlantic): 78 | |
| 1915 | Fl(2) W 10s. W13. fl 0.4, ec 1.4, fl 0.4, ec 7.8. | USLHS Light List (Atlantic): 92 |
| 1917 | USLHS Light List (Atlantic): 97 | |
| 1920 | ||
| 1927 | USLHS Light List (Atlantic): 101 | |
| 1931 | USLHS Light List (Atlantic): 103 | |
| 1935 | USLHS Light List (Atlantic): 107 | |
| 1940 | USCG Light List (Atlantic): 121 | |
| 1943 | USCG Light List (Atlantic): 167 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 18 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 18 | |
| 1961 | USCG Light List - Vol. I: 18 | |
| 1963 | ||
| 1964-1965 | Fl(2) W 10s. W13. fl 0.1, ec 1.4, fl 0.1, ec 8.4. | |
| 1966 | USCG Light List - Vol. I: 19 | |
| 1969-1972 | ||
| 1973-1979 | Fl(2) W 10s. W24. fl 0.1, ec 1.4, fl 0.1, ec 8.4. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 180 | |
| 1990-1992 | ||
| 1993-1996 | USCG Light List - Vol. I: 200 | |
| 2004 | Fl(2) W 10s. W17. fl 0.1, ec 8.4, fl 0.1, ec 1.4. |
Historical Light List Optics and Structures
| 1839 | 15 Lamps / 15" Refl. | 40 | 58 | N/A | USLHE Light List (US): 32 |
| 1849 | Two lights-one 19 feet above the other-but seen as one light at about 15 miles distance. | USLHE Light List (US): 35 | |||
| 1858 | 4th | The tower is erected on a ledge. | LHB Light List (US): 49 | ||
| 1860 | The tower is erected on a circular stone pier. | LHB Light List (US): 42 | |||
| 1865-1866 | LHB Light List (All Coasts): 42 | ||||
| 1868 | |||||
| 1870 | The tower of stone is erected on a circular stone pier. Tower whitewashed. | LHB Light List (All Coasts): 43 | |||
| 1878 | 69 | 65 | The tower is of granite, natural color, rising directly from the ledge. The old tower to the westward and near the light-tower, is of stone, whitewashed, and stands on a circular stone pier; in this tower the machinery of the trumpet is placed. | LHB Light List (All Coasts): 53 | |
| 1879 | The tower is of granite, natural color, rising directly from the ledge. The old tower to the westward and near the light-tower, is of stone, whitewashed, and stands on a circular stone pier. An iron tower, painted red, standing to the north of these towers, contains the fog-signal. | ||||
| 1886 | Gray granite tower, rising directly from the ledge. Red fog-signal tower to the northward. | ||||
| 1888 | LHB Light List (All Coasts): 55 | ||||
| 1893 | 59 | LHB Light List (Atlantic): 62 | |||
| 1898 | Conical, gray granite tower, on a cylindrical gray granite pier rising directly from the ledge. Conical, red fog-signal tower to the northward. | LHB Light List (Atlantic): 70 | |||
| 1899 | LHB Light List (Atlantic): 71 | ||||
| 1905 | Conical, gray granite tower, on a cylindrical gray granite pier rising directly from the ledge. Conical, red, fog-signal tower to the northward. | LHB Light List (Atlantic): 76 | |||
| 1908 | Conical, gray-granite tower, on a cylindrical gray granite pier rising directly from the ledge; red, conical, fog-signal tower to the N'd. | LHB Light List (Atlantic): 78 | |||
| 1915 | N/A | 74 | Gray granite; conical tower, connected to red, cylindrical, fog-signal tower. | USLHS Light List (Atlantic): 92 | |
| 1917 | 75 | Gray-granite; conical tower, connected to red, cylindrical, fog-signal tower. | USLHS Light List (Atlantic): 97 | ||
| 1920 | |||||
| 1927 | Gray-granite, conical tower, connected to red, cylindrical, fog-signal tower. | USLHS Light List (Atlantic): 101 | |||
| 1931 | 4 iov | Gray granite conical tower connected to red, cylindrical, fog-signal tower. | USLHS Light List (Atlantic): 103 | ||
| 1935 | USLHS Light List (Atlantic): 107 | ||||
| 1940 | 4 e | USCG Light List (Atlantic): 121 | |||
| 1943 | USCG Light List (Atlantic): 167 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 18 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 18 | ||||
| 1961 | USCG Light List - Vol. I: 18 | ||||
| 1963 | |||||
| 1964-1965 | Gray granite conical tower. | ||||
| 1966 | USCG Light List - Vol. I: 19 | ||||
| 1969 | N/A | ||||
| 1970-1979 | 75 | ||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 180 | ||||
| 1990-1992 | Gray conical tower. | ||||
| 1993-1996 | USCG Light List - Vol. I: 200 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1858 | None | None | LHB Light List (US): 49 |
| 1860 | LHB Light List (US): 42 | ||
| 1865-1866 | LHB Light List (All Coasts): 42 | ||
| 1868 | |||
| 1870 | A bell struck by machinery. | LHB Light List (All Coasts): 43 | |
| 1878 | A Daboll's trumpet, giving blasts of 8 seconds duration, at intervals of 22 seconds. | LHB Light List (All Coasts): 53 | |
| 1879 | A 3d-class Daboll's trumpet, giving blasts of 8 seconds duration, at intervals of 22 seconds. | ||
| 1886 | 3d-class Daboll trumpet; blasts of 10 sec., intervals 30 sec. | ||
| 1888 | 3d-class Daboll trumpet; blasts 10 sec., intervals 30 sec. | LHB Light List (All Coasts): 55 | |
| 1893 | 3d-class Daboll trumpet; blasts 10 sec., silent intervals 30 sec. | LHB Light List (Atlantic): 62 | |
| 1898 | 3d-class Daboll trumpet; blasts 3 sec., silent intervals 17 sec. | LHB Light List (Atlantic): 70 | |
| 1899 | 3d-class Daboll trumpet; blasts 5 sec., silent intervals 25 sec. | LHB Light List (Atlantic): 71 | |
| 1905 | 1st-class Daboll trumpet; blasts 5 sec., silent intervals 25 sec. | LHB Light List (Atlantic): 76 | |
| 1908 | LHB Light List (Atlantic): 78 | ||
| 1915 | 1st-cl. reed horn: blast 5 sec., silent 25 sec. | USLHS Light List (Atlantic): 92 | |
| 1917 | USLHS Light List (Atlantic): 97 | ||
| 1920 | |||
| 1927 | USLHS Light List (Atlantic): 101 | ||
| 1931 | HORN, 1st-cl. reed: blast 5 sec., silent 25 sec. | USLHS Light List (Atlantic): 103 | |
| 1935 | USLHS Light List (Atlantic): 107 | ||
| 1940 | HORN, diaphragm, chime, air; groups of 2 blasts every 30 sec., blast 2 sec., silent 2 sec., blast 2 sec., silent 24 sec. | USCG Light List (Atlantic): 121 | |
| 1943 | USCG Light List (Atlantic): 167 | ||
| 1945 | |||
| 1946-1947 | HORN, diaphragm, chime, air; group of 2 blasts every 30 sec., blast 2 sec., silent 2 sec., blast 2 sec., silent 24 sec. | ||
| 1950-1952 | |||
| 1953-1955 | HORN, diaphragm, chime; gp of 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | USCG Light List - Vol. I-VI: 18 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 18 | ||
| 1961 | USCG Light List - Vol. I: 18 | ||
| 1963 | |||
| 1964-1965 | HORN, diaphragm; gp of 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | ||
| 1966 | USCG Light List - Vol. I: 19 | ||
| 1969-1972 | HORN, diaphragm; 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | ||
| 1973-1975 | HORN, 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | ||
| 1976-1979 | HORN: 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | ||
| 1982 | HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). | ||
| 1987 | HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). | USCG Light List - Vol. I: 180 | |
| 1990-1992 | |||
| 1993-1996 | USCG Light List - Vol. I: 200 | ||
| 2004 | HORN: 2 blasts ev 30s (2s bl-2s si-2s bl-24s si). |
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1830 - Present (Exact location of current 1872 lighthouse which was built right next to the original 1830 lighthouse.) |