Ram Island Ledge (Maine)
Historical Light List Characteristics
| 1905 | Fl(2) W 6s. W141/2. | LHB Light List (Atlantic): 68 |
| 1908 | LHB Light List (Atlantic): 70 | |
| 1915 | Fl(2) W 6s. W14. fl 0.3, ec 1.2, fl 0.3, ec 4.2. | USLHS Light List (Atlantic): 80 |
| 1917 | USLHS Light List (Atlantic): 84 | |
| 1920 | ||
| 1927 | USLHS Light List (Atlantic): 87 | |
| 1931 | USLHS Light List (Atlantic): 88 | |
| 1935 | ||
| 1940 | USCG Light List (Atlantic): 99 | |
| 1943 | USCG Light List (Atlantic): 124 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 212 | |
| 1957 | ||
| 1959 | USCG Light List - Vol. I-V: 225 | |
| 1960 | Fl(2) W 10s. W14. fl 1, ec 1.5, fl 1, ec 6.5. | |
| 1961 | USCG Light List - Vol. I: 225 | |
| 1963-1965 | ||
| 1966 | USCG Light List - Vol. I: 343 | |
| 1969-1972 | ||
| 1973-1979 | Fl(2) W 10s. W15. fl 1, ec 1.5, fl 1, ec 6.5. | |
| 1982 | Fl(2) W 6s. W12. fl 1, ec 1, fl 1, ec 3. | |
| 1987 | USCG Light List - Vol. I: 7785 | |
| 1990-1992 | USCG Light List - Vol. I: 7430 | |
| 1993-1996 | USCG Light List - Vol. I: 7575 | |
| 2004 | Fl(2) W 6s. W8. fl 1, ec 1, fl 1, ec 3. |
Historical Light List Optics and Structures
| 1905 | 3rd | N/A | 77 | Light-gray, conical, granite tower; black parapet and cylindrical lantern. Pier, with boat shelter, on northerly side of tower. | LHB Light List (Atlantic): 68 |
| 1908 | Light-gray, conical, granite tower; black parapet and cylindrical lantern; pier, with boat shelter on N'ly side of tower. | LHB Light List (Atlantic): 70 | |||
| 1915 | N/A | Light-gray, conical, granite tower. | USLHS Light List (Atlantic): 80 | ||
| 1917 | USLHS Light List (Atlantic): 84 | ||||
| 1920 | |||||
| 1927 | USLHS Light List (Atlantic): 87 | ||||
| 1931 | 3 o | USLHS Light List (Atlantic): 88 | |||
| 1935 | |||||
| 1940 | 3 iov | USCG Light List (Atlantic): 99 | |||
| 1943 | USCG Light List (Atlantic): 124 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 212 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 225 | ||||
| 1961 | USCG Light List - Vol. I: 225 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 343 | ||||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 7785 | ||||
| 1990-1992 | USCG Light List - Vol. I: 7430 | ||||
| 1993-1996 | USCG Light List - Vol. I: 7575 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1905 | Bell struck by machinery every 10 seconds. | None | LHB Light List (Atlantic): 68 |
| 1908 | Bell struck by machinery a single blow every 10 seconds. | LHB Light List (Atlantic): 70 | |
| 1915 | Bell; 1 stroke every 10 sec. | USLHS Light List (Atlantic): 80 | |
| 1917 | USLHS Light List (Atlantic): 84 | ||
| 1920 | |||
| 1927 | Bell (1,200-lb.); 1 stroke every 10 sec. | USLHS Light List (Atlantic): 87 | |
| 1931 | BELL; 1 stroke every 10 sec. | USLHS Light List (Atlantic): 88 | |
| 1935 | |||
| 1940 | USCG Light List (Atlantic): 99 | ||
| 1943 | USCG Light List (Atlantic): 124 | ||
| 1945-1947 | |||
| 1950-1952 | |||
| 1953-1955 | BELL: 1 stroke ev 10s. | USCG Light List - Vol. I-VI: 212 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 225 | ||
| 1961 | USCG Light List - Vol. I: 225 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 343 | ||
| 1969-1972 | |||
| 1973-1979 | HORN: 1 blast ev 10s (1sbl). | ||
| 1982 | HORN: 1 blast ev 10s (1s bl). | ||
| 1987 | HORN: 1 blast ev 10s (1s bl). | USCG Light List - Vol. I: 7785 | |
| 1990-1992 | USCG Light List - Vol. I: 7430 | ||
| 1993-1996 | USCG Light List - Vol. I: 7575 | ||
| 2004 | HORN: 1 blast ev 10s (1s bl). |
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1905 - Present |