Plum Island (New York)
Historical Light List Characteristics
| 1849 | Fl W 30s. W16. | USLHE Light List (US): 110 |
| 1858 | Fl W 30s. W12. | LHB Light List (US): 132 |
| 1860 | LHB Light List (US): 120 | |
| 1865-1866 | LHB Light List (All Coasts): 120 | |
| 1868 | LHB Light List (All Coasts): 121 | |
| 1870 | Fl W 30s. W14. | LHB Light List (All Coasts): 125 |
| 1878-1879 | LHB Light List (All Coasts): 158 | |
| 1886 | LHB Light List (All Coasts): 165 | |
| 1888 | LHB Light List (All Coasts): 173 | |
| 1893 | LHB Light List (Atlantic): 205 | |
| 1898 | Fl W 30s. W141/4. | LHB Light List (Atlantic): 238 |
| 1899 | LHB Light List (Atlantic): 243 | |
| 1905 | LHB Light List (Atlantic): 261 | |
| 1908 | Fl W 7.5s. W141/4. | LHB Light List (Atlantic): 276 |
| 1915 | Fl W 7.5s. W14. fl 1. | USLHS Light List (Atlantic): 332 |
| 1917 | USLHS Light List (Atlantic): 364 | |
| 1920 | USLHS Light List (Atlantic): 383 | |
| 1927 | USLHS Light List (Atlantic): 394 | |
| 1931 | USLHS Light List (Atlantic): 429 | |
| 1935 | USLHS Light List (Atlantic): 493 | |
| 1940 | USCG Light List (Atlantic): 476 | |
| 1943 | USCG Light List (Atlantic): 606 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 678 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 738 | |
| 1961 | USCG Light List - Vol. I: 738 | |
| 1963-1965 | ||
| 1966 | USCG Light List - Vol. I: 937 | |
| 1969-1972 | ||
| 1973-1975 | Fl W 7.5s. W21. fl 1. | |
| 1976-1978 | Fl W 7.5s. W21. |
Historical Light List Optics and Structures
| 1849 | 10 Lamps / 14" Refl. | 30 | 63 | N/A | USLHE Light List (US): 110 |
| 1858 | 4th | 34 | LHB Light List (US): 132 | ||
| 1860 | LHB Light List (US): 120 | ||||
| 1865 | LHB Light List (All Coasts): 120 | ||||
| 1866 | |||||
| 1868 | LHB Light List (All Coasts): 121 | ||||
| 1870 | Keeper's dwelling of granite, with light on top. | LHB Light List (All Coasts): 125 | |||
| 1878-1879 | 46 | 76 | Keeper's dwelling of granite, with light on top; lantern, black. | LHB Light List (All Coasts): 158 | |
| 1886 | White tower, on granite dwelling; lantern, black. | LHB Light List (All Coasts): 165 | |||
| 1888 | LHB Light List (All Coasts): 173 | ||||
| 1893 | LHB Light List (Atlantic): 205 | ||||
| 1898 | 743/4 | LHB Light List (Atlantic): 238 | |||
| 1899 | LHB Light List (Atlantic): 243 | ||||
| 1905 | LHB Light List (Atlantic): 261 | ||||
| 1908 | 4 iov | White tower, on granite dwelling; black lantern. | LHB Light List (Atlantic): 276 | ||
| 1915 | N/A | 51 | 75 | White tower on granite dwelling. | USLHS Light List (Atlantic): 332 |
| 1917 | USLHS Light List (Atlantic): 364 | ||||
| 1920 | USLHS Light List (Atlantic): 383 | ||||
| 1927 | USLHS Light List (Atlantic): 394 | ||||
| 1931 | 4 iov | USLHS Light List (Atlantic): 429 | |||
| 1935 | USLHS Light List (Atlantic): 493 | ||||
| 1940 | N/A | USCG Light List (Atlantic): 476 | |||
| 1943 | 4 e | USCG Light List (Atlantic): 606 | |||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 678 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 738 | ||||
| 1961 | USCG Light List - Vol. I: 738 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 937 | ||||
| 1969-1978 |
Historical Light List Audible Fog Signals
| 1858 | None | None | LHB Light List (US): 132 |
| 1860 | LHB Light List (US): 120 | ||
| 1865-1866 | LHB Light List (All Coasts): 120 | ||
| 1868 | LHB Light List (All Coasts): 121 | ||
| 1870 | LHB Light List (All Coasts): 125 | ||
| 1878 | LHB Light List (All Coasts): 158 | ||
| 1879 | A cast-steel bell, struck by machinery, at intervals of 15 seconds. | ||
| 1886 | Bell struck by machinery every 15 sec. | LHB Light List (All Coasts): 165 | |
| 1888 | LHB Light List (All Coasts): 173 | ||
| 1893 | LHB Light List (Atlantic): 205 | ||
| 1898 | LHB Light List (Atlantic): 238 | ||
| 1899 | LHB Light List (Atlantic): 243 | ||
| 1905 | LHB Light List (Atlantic): 261 | ||
| 1908 | Bell struck by machinery a single blow every 15 sec. | LHB Light List (Atlantic): 276 | |
| 1915 | Bell; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 332 | |
| 1917 | USLHS Light List (Atlantic): 364 | ||
| 1920 | USLHS Light List (Atlantic): 383 | ||
| 1927 | USLHS Light List (Atlantic): 394 | ||
| 1931 | BELL; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 429 | |
| 1935 | USLHS Light List (Atlantic): 493 | ||
| 1940 | USCG Light List (Atlantic): 476 | ||
| 1943 | USCG Light List (Atlantic): 606 | ||
| 1945 | |||
| 1946-1947 | SIREN, electric; blast 4 sec., silent 11 sec. | Bell sounding 1 stroke every 15 sec., if siren disabled. | |
| 1950-1952 | |||
| 1953-1955 | SIREN: 1 blast ev 15s (4sbl). | Bell, 1 stroke ev 15s, if siren is disabled. | USCG Light List - Vol. I-VI: 678 |
| 1957 | None | ||
| 1959-1960 | USCG Light List - Vol. I-V: 738 | ||
| 1961 | USCG Light List - Vol. I: 738 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 937 | ||
| 1969 | |||
| 1970-1978 | SIREN: 1 blast ev 15s (2sbl). |
 |
1827 - 1978 (Exact location of historical 1869 lighthouse. Location of original 1827 lighthouse is assumed to be close.) |