Petit Manan (Maine)
Historical Light List Characteristics
| 1839 | F W. | USLHE Light List (US): 7 |
| 1849 | F W. W14. | |
| 1858 | FFl W 120s. F17, Fl17. | LHB Light List (US): 9 |
| 1860 | LHB Light List (US): 7 | |
| 1865-1866 | LHB Light List (All Coasts): 7 | |
| 1868 | ||
| 1870 | LHB Light List (All Coasts): 8 | |
| 1878-1879 | LHB Light List (All Coasts): 9 | |
| 1886 | ||
| 1888 | LHB Light List (All Coasts): 10 | |
| 1893 | LHB Light List (Atlantic): 12 | |
| 1898-1899 | FFl W 120s. F16, Fl16. | |
| 1905 | ||
| 1908 | ||
| 1915 | FFl W 120s. F17, Fl17. fl 6. | USLHS Light List (Atlantic): 12 |
| 1917 | USLHS Light List (Atlantic): 14 | |
| 1920 | ||
| 1927 | ||
| 1931 | ||
| 1935 | USLHS Light List (Atlantic): 15 | |
| 1940 | USCG Light List (Atlantic): 17 | |
| 1943 | USCG Light List (Atlantic): 21 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 104 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 105 | |
| 1961 | USCG Light List - Vol. I: 105 | |
| 1963-1965 | FFl W 120s. F17, Fl17. fl 2. | |
| 1966 | USCG Light List - Vol. I: 215 | |
| 1969-1972 | ||
| 1973-1979 | Fl W 10s. W26. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 1900 | |
| 1990-1992 | USCG Light List - Vol. I: 1695 | |
| 1993-1996 | USCG Light List - Vol. I: 1735 | |
| 2004 | Fl W 10s. W19. |
Historical Light List Optics and Structures
| 1839 | 8 Lamps / 9" Refl. | 25 | 53 | N/A | USLHE Light List (US): 7 |
| 1849 | 12 Lamps / 15" Refl. | ||||
| 1858 | 2nd | 109 | 125 | LHB Light List (US): 9 | |
| 1860 | LHB Light List (US): 7 | ||||
| 1865 | LHB Light List (All Coasts): 7 | ||||
| 1866 | |||||
| 1868 | |||||
| 1870 | Tower of granite, connected with and standing close to the dwelling, which is a story and a half house, painted brown. | LHB Light List (All Coasts): 8 | |||
| 1878 | Tower of granite, natural color, connected with and standing close to a one and a half story dwelling, painted drab. New dwelling, a one and a half story frame house, painted cream color, standing 150 feet to the westward of the tower. Two brick fog-signal houses, whitewashed, standing 170 feet southwest of the tower.. | LHB Light List (All Coasts): 9 | |||
| 1879 | Tower of granite, natural color, connected with and standing close to a one and a half story dwelling, painted drab. New dwelling, a one and a half story frame house, painted cream color, standing 150 feet to the westward of the tower. Two brick fog-signal houses, whitewashed, standing 170 feet southwest of the tower. | ||||
| 1886 | Gray-granite tower, connected with a white dwelling. A new white dwelling stands 150 feet to the westward. Two white fog-signal houses stand 170 feet S.W. of the tower on the S. point of the island. | ||||
| 1888 | Grey granite tower, with cluster of white buildings near. White fog-signal house on the S. point of island. | LHB Light List (All Coasts): 10 | |||
| 1893 | 107 | 123 | Gray granite tower, with cluster of white buildings near. White fog-signal house on the S. point of island. | LHB Light List (Atlantic): 12 | |
| 1898-1899 | |||||
| 1905 | Gray granite tower, with cluster of white buildings near. White fog-signal house on the southerly point of island. | ||||
| 1908 | Gray granite tower, with cluster of white buildings near. White fog-signal house on the S'ly point of island. | ||||
| 1915 | N/A | 115 | Gray-granite tower. | USLHS Light List (Atlantic): 12 | |
| 1917 | 119 | USLHS Light List (Atlantic): 14 | |||
| 1920 | |||||
| 1927 | |||||
| 1931 | 2 iov | Gray granite tower. | |||
| 1935 | USLHS Light List (Atlantic): 15 | ||||
| 1940 | 2 e | USCG Light List (Atlantic): 17 | |||
| 1943 | USCG Light List (Atlantic): 21 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 104 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 105 | ||||
| 1961 | USCG Light List - Vol. I: 105 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 215 | ||||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 1900 | ||||
| 1990-1992 | USCG Light List - Vol. I: 1695 | ||||
| 1993-1996 | USCG Light List - Vol. I: 1735 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1858 | Fog-bell | None | LHB Light List (US): 9 |
| 1860 | LHB Light List (US): 7 | ||
| 1865-1866 | Fog-bell struck by machinery. | LHB Light List (All Coasts): 7 | |
| 1868 | |||
| 1870 | A bell struck by machinery. | LHB Light List (All Coasts): 8 | |
| 1878-1879 | A 10-inch steam fog-whistle, in duplicate, giving two blasts of 5 seconds each per minute; intervals between the blasts 8 seconds and 42 seconds. | LHB Light List (All Coasts): 9 | |
| 1886 | 10-inch steam-whistle; giving each minute two blasts of 5 sec., with alternate intervals of 8 and 42 sec. | If whistle be disabled, a bell will be rung by hand. | |
| 1888 | 10-inch steam-whistle, giving each minute two blasts of 5 sec., with alternate intervals of 8 and 42 sec. | LHB Light List (All Coasts): 10 | |
| 1893 | 10-inch steam whistle, blasts 5 sec., alternate silent intervals of 8 and 42 sec. | LHB Light List (Atlantic): 12 | |
| 1898 | 10-inch steam whistle, blasts 3 sec., alternate silent intervals of 9 and 45 sec. | ||
| 1899 | 10-inch steam whistle; blasts 5 sec., alternate silent intervals 15 and 35 sec. | ||
| 1905 | 10-inch steam whistle, blasts 5 sec., alternate silent intervals of 15 and 35 sec. | If whistle be disabled a bell will be rung by hand. | |
| 1908 | 10-inch steam whistle; blasts 5 sec., alternate silent intervals of 15 and 35 sec. | ||
| 1915 | 10-inch steam whistle; gp. 2 blasts every 60 sec.: 1st blast 5 sec., silent 15 sec., 2d blast 5 sec., silent 35 sec. | Bell (hand) if whistle is disabled. | USLHS Light List (Atlantic): 12 |
| 1917 | 10-inch steam whistle; blast 3 sec., silent 27 sec. | USLHS Light List (Atlantic): 14 | |
| 1920 | |||
| 1927 | 10-inch air whistle; blast 3 sec., silent 27 sec. | Bell (1,300-lb) if whistle is disabled. | |
| 1931 | WHISTLE, 10-inch air; blast 3 sec., silent 27 sec. | Bell if whistle is disabled. | |
| 1935 | TYFON, air; blast 3 sec., silent 27 sec. | Bell if horn is disabled. | USLHS Light List (Atlantic): 15 |
| 1940 | HORN, diaphragm, air; blast 3 sec., silent 27 sec. | USCG Light List (Atlantic): 17 | |
| 1943 | USCG Light List (Atlantic): 21 | ||
| 1945-1947 | |||
| 1950-1952 | |||
| 1953-1955 | HORN, diaphragm: 1 blast ev 30s (3sbl). | Bell, 1 stroke ev 20s, if horn is disabled. | USCG Light List - Vol. I-VI: 104 |
| 1957 | |||
| 1959-1960 | HORN, diaphragm; 1 blast ev 30s (3sbl). | USCG Light List - Vol. I-V: 105 | |
| 1961 | USCG Light List - Vol. I: 105 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 215 | ||
| 1969-1972 | Bell, 1 stroke ev 20s, if horn is inoperative. | ||
| 1973 | HORN, 1 blast ev 30s (3sbl). | BELL, 1 stroke ev 20s, if horn is inoperative. | |
| 1974-1975 | BELL: 1 stroke ev 20s, if horn is inoperative. | ||
| 1976 | HORN: 1 blast ev 30s (3sbl). | ||
| 1977-1979 | None | ||
| 1982 | HORN: 1 blast ev 30s (3s bl). | ||
| 1987 | HORN: 1 blast ev 30s (3s bl). | USCG Light List - Vol. I: 1900 | |
| 1990-1992 | USCG Light List - Vol. I: 1695 | ||
| 1993-1996 | USCG Light List - Vol. I: 1735 | ||
| 2004 | HORN: 1 blast ev 30s (3s bl). |
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1817 - Present (Exact location of current 1855 lighthouse. Location of 1817 lighthouse is assumed to be close.) |