New London Harbor (Connecticut)
Historical Light List Characteristics
| 1839 | F W. W18. | USLHE Light List (US): 81 |
| 1849 | USLHE Light List (US): 84 | |
| 1858 | F W. W14. | LHB Light List (US): 128 |
| 1860 | LHB Light List (US): 116 | |
| 1865-1866 | LHB Light List (All Coasts): 116 | |
| 1868 | LHB Light List (All Coasts): 117 | |
| 1870 | F W. W15. | LHB Light List (All Coasts): 121 |
| 1878-1879 | LHB Light List (All Coasts): 153 | |
| 1886 | LHB Light List (All Coasts): 160 | |
| 1888 | LHB Light List (All Coasts): 168 | |
| 1893 | F WR. W15, R15. Red sector between N. 7/8 E. and NE. 5/8 E. | LHB Light List (Atlantic): 182 |
| 1898 | LHB Light List (Atlantic): 215 | |
| 1899 | LHB Light List (Atlantic): 220 | |
| 1905 | LHB Light List (Atlantic): 238 | |
| 1908 | LHB Light List (Atlantic): 253 | |
| 1915 | Fl WR 4s. W15, R15. fl 0.4. R000°-041°(41°), W041°-000°(319°). | USLHS Light List (Atlantic): 331 |
| 1917 | USLHS Light List (Atlantic): 343 | |
| 1920 | USLHS Light List (Atlantic): 362 | |
| 1927 | Fl WR 4s. W15, R13. fl 0.4. R000°-041°(41°), W041°-000°(319°). | USLHS Light List (Atlantic): 370 |
| 1931 | USLHS Light List (Atlantic): 427 | |
| 1935 | USLHS Light List (Atlantic): 488 | |
| 1940 | USCG Light List (Atlantic): 470 | |
| 1943 | Fl WR 4s. W13, R10. fl 0.4. R000°-041°(41°), W041°-000°(319°). | USCG Light List (Atlantic): 601 |
| 1945-1947 | ||
| 1950-1952 | Fl WR 4s. W15, R15. fl 1. R000°-041°(41°), W041°-000°(319°). | |
| 1953-1955 | USCG Light List - Vol. I-VI: 738 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 804 | |
| 1961 | USCG Light List - Vol. I: 804 | |
| 1963-1965 | ||
| 1966 | USCG Light List - Vol. I: 1007 | |
| 1969-1972 | ||
| 1973-1975 | Fl WR 4s. W13, R10. fl 1. R000°-041°(41°), W041°-000°(319°). | |
| 1976-1979 | Iso WR 6s. W14, R11. R000°-041°(41°), W041°-000°(319°). | |
| 1982 | ||
| 1987 | Iso WR 6s. W16, R14. R000°-041°(41°), W041°-000°(319°). | USCG Light List - Vol. I: 20840 |
| 1990-1991 | USCG Light List - Vol. I: 20565 | |
| 1992 | Iso WR 6s. W17, R14. R000°-041°(41°), W041°-000°(319°). | |
| 1993-1996 | USCG Light List - Vol. I: 21845 | |
| 2004 |
Historical Light List Optics and Structures
| 1839 | 11 Lamps / 14" Refl. | 80 | 111 | N/A | USLHE Light List (US): 81 |
| 1849 | USLHE Light List (US): 84 | ||||
| 1858 | 4th | 83 | 86 | LHB Light List (US): 128 | |
| 1860 | LHB Light List (US): 116 | ||||
| 1865 | LHB Light List (All Coasts): 116 | ||||
| 1866 | |||||
| 1868 | LHB Light List (All Coasts): 117 | ||||
| 1870 | A stone tower; keeper's dwelling, painted drab, attached. | LHB Light List (All Coasts): 121 | |||
| 1878 | LHB Light List (All Coasts): 153 | ||||
| 1879 | 85 | 90 | |||
| 1886 | White tower, attached to drab dwelling. | LHB Light List (All Coasts): 160 | |||
| 1888 | LHB Light List (All Coasts): 168 | ||||
| 1893 | White stone tower attached to white dwelling. | LHB Light List (Atlantic): 182 | |||
| 1898 | 883/4 | White stone tower attached to white dwelling. Fog-signal building about 120 feet WSW. from tower. | LHB Light List (Atlantic): 215 | ||
| 1899 | LHB Light List (Atlantic): 220 | ||||
| 1905 | White, stone tower attached to white dwelling. Fog-signal and other buildings northerly of tower. | LHB Light List (Atlantic): 238 | |||
| 1908 | 4 iov | White, stone tower attached to white dwelling; fog-signal and other buildings N'ly of tower. | LHB Light List (Atlantic): 253 | ||
| 1915 | N/A | 90 | 89 | White; octagonal, pyramidal tower attached to dwelling. | USLHS Light List (Atlantic): 331 |
| 1917 | USLHS Light List (Atlantic): 343 | ||||
| 1920 | USLHS Light List (Atlantic): 362 | ||||
| 1927 | USLHS Light List (Atlantic): 370 | ||||
| 1931 | 4 a | White, octagonal, pyramidal tower attached to dwelling. | USLHS Light List (Atlantic): 427 | ||
| 1935 | White, octagonal, pyramidal tower. | USLHS Light List (Atlantic): 488 | |||
| 1940 | USCG Light List (Atlantic): 470 | ||||
| 1943 | USCG Light List (Atlantic): 601 | ||||
| 1945-1947 | |||||
| 1950-1952 | 4 e | ||||
| 1953-1955 | N/A | N/A | USCG Light List - Vol. I-VI: 738 | ||
| 1957 | |||||
| 1959-1960 | White, octagonal pyramidal tower. | USCG Light List - Vol. I-V: 804 | |||
| 1961 | USCG Light List - Vol. I: 804 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 1007 | ||||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 20840 | ||||
| 1990-1992 | White octagonal pyramidal tower. | USCG Light List - Vol. I: 20565 | |||
| 1993-1996 | USCG Light List - Vol. I: 21845 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1858 | Whistle | None | LHB Light List (US): 128 |
| 1860 | LHB Light List (US): 116 | ||
| 1865 | Whistle sounded during fogs at intervals of 14 seconds; duration of each blast 6 seconds, produced by caloric engine. | LHB Light List (All Coasts): 116 | |
| 1866 | Trumpet sounded during fogs at intervals of 14 seconds; duration of each blast 6 seconds, produced by caloric engine. | ||
| 1868 | LHB Light List (All Coasts): 117 | ||
| 1870 | A trumpet sounding 6 seconds at intervals of 14 seconds. | LHB Light List (All Coasts): 121 | |
| 1878 | LHB Light List (All Coasts): 153 | ||
| 1879 | A 3d-class fog-trumpet, giving blasts of 6 seconds at intervals of 14 seconds. | ||
| 1886 | 1st-class Daboll trumpet; blasts 6 sec., intervals 30 sec. | LHB Light List (All Coasts): 160 | |
| 1888 | LHB Light List (All Coasts): 168 | ||
| 1893 | 1st-class Daboll trumpet; blasts 6 sec., silent intervals 30 sec. | LHB Light List (Atlantic): 182 | |
| 1898 | LHB Light List (Atlantic): 215 | ||
| 1899 | LHB Light List (Atlantic): 220 | ||
| 1905 | 1st-class compressed-air siren; blasts 3 sec., silent intervals 30 sec. | LHB Light List (Atlantic): 238 | |
| 1908 | 2nd-class Daboll trumpet; blasts 3 sec., silent intervals 30 sec. | LHB Light List (Atlantic): 253 | |
| 1915 | None | USLHS Light List (Atlantic): 331 | |
| 1917 | USLHS Light List (Atlantic): 343 | ||
| 1920 | USLHS Light List (Atlantic): 362 | ||
| 1927 | USLHS Light List (Atlantic): 370 | ||
| 1931 | USLHS Light List (Atlantic): 427 | ||
| 1935 | USLHS Light List (Atlantic): 488 | ||
| 1940 | USCG Light List (Atlantic): 470 | ||
| 1943 | USCG Light List (Atlantic): 601 | ||
| 1945-1947 | |||
| 1950-1952 | |||
| 1953-1955 | USCG Light List - Vol. I-VI: 738 | ||
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 804 | ||
| 1961 | USCG Light List - Vol. I: 804 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 1007 | ||
| 1969-1979 | |||
| 1982 | |||
| 1987 | USCG Light List - Vol. I: 20840 | ||
| 1990-1992 | USCG Light List - Vol. I: 20565 | ||
| 1993-1996 | USCG Light List - Vol. I: 21845 | ||
| 2004 |
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1761 - Present (Exact location of current 1801 lighthouse. Location of original 1761 is assumed to be close.) |
