Two Bush Island (Maine)
Historical Light List Characteristics
| 1898-1899 | Fl WR 5s. W13.63, R13.63. Red sector between SSW. 3/4 W. and W. 5/8 S.; white sector between W. 5/8 S. and ENE. 3/4 E. | LHB Light List (Atlantic): 32 |
| 1905 | ||
| 1908 | LHB Light List (Atlantic): 33 | |
| 1915 | Fl WR 5s. W14, R14. fl 0.5. R196°-247°(51°), W247°-061°(174°). | USLHS Light List (Atlantic): 37 |
| 1917 | USLHS Light List (Atlantic): 39 | |
| 1920 | ||
| 1927 | ||
| 1931 | ||
| 1935 | USLHS Light List (Atlantic): 41 | |
| 1940 | USCG Light List (Atlantic): 48 | |
| 1943 | USCG Light List (Atlantic): 56 | |
| 1945-1947 | ||
| 1950-1951 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 158 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 162 | |
| 1961 | USCG Light List - Vol. I: 162 | |
| 1963-1964 | ||
| 1965 | Fl WR 5s. W14, R14. fl 0.1. R061°-247°(186°), W247°-061°(174°). | |
| 1966 | Fl WR 5s. W14, R14. R061°-247°(186°), W247°-061°(174°). | USCG Light List - Vol. I: 276 |
| 1969-1972 | ||
| 1973-1979 | Fl WR 5s. W25, R21. R061°-247°(186°), W247°-061°(174°). | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 4640 | |
| 1990-1992 | USCG Light List - Vol. I: 4450 | |
| 1993 | USCG Light List - Vol. I: 4540 | |
| 1994-1996 | Fl WR 5s. W22, R18. R061°-247°(186°), W247°-061°(174°). | |
| 2004 | Fl WR 5s. W17, R15. R061°-247°(186°), W247°-061°(174°). |
Historical Light List Optics and Structures
| 1898-1899 | 5th | 36 | 65 | Square, pyramidal, red brick tower; red brick workroom and fog-signal room attached to base; black lantern; white wooden dwelling with lead-colored trimmings, 40 feet NE. 3/4 E., and red brick oil house 125 feet NNW. 1/4 W. from the tower. White boathouse on northwesterly shore of island. | LHB Light List (Atlantic): 32 |
| 1905 | 4th | Square, pyramidal, red brick tower; red brick workroom and fog-signal room attached to base; black lantern; white wooden dwelling with lead-colored trimmings, 40 feet NE. 3/4 E., and red brick oilhouse 125 feet NNW. 1/4 W. from the tower. White boathouse on northwesterly shore of island. | |||
| 1908 | Square, pyramidal, red-brick tower; red-brick workroom and fog-signal room attached to base; black lantern; white wooden dwelling with lead-colored trimmings, 40 feet NE'ly, and red-brick oilhouse 125 feet NNW'ly from the tower; white boathouse on NW'ly shore of island. | LHB Light List (Atlantic): 33 | |||
| 1915 | N/A | 41 | White; square, pyramidal tower. | USLHS Light List (Atlantic): 37 | |
| 1917 | 42 | White; square, tower. | USLHS Light List (Atlantic): 39 | ||
| 1920 | |||||
| 1927 | |||||
| 1931 | 4 iov | White square tower. | |||
| 1935 | USLHS Light List (Atlantic): 41 | ||||
| 1940 | 4 e | USCG Light List (Atlantic): 48 | |||
| 1943 | USCG Light List (Atlantic): 56 | ||||
| 1945-1947 | |||||
| 1950-1951 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 158 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 162 | ||||
| 1961 | USCG Light List - Vol. I: 162 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 276 | ||||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 4640 | ||||
| 1990-1992 | USCG Light List - Vol. I: 4450 | ||||
| 1993-1996 | USCG Light List - Vol. I: 4540 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1898-1899 | Bell struck by machinery, a double blow every 20 sec. | None | LHB Light List (Atlantic): 32 |
| 1905 | Bell struck by machinery a double blow every 20 sec. | ||
| 1908 | LHB Light List (Atlantic): 33 | ||
| 1915 | Bell; 2 strokes every 20 sec. | USLHS Light List (Atlantic): 37 | |
| 1917 | Bell; gp. 2 strokes every 20 sec. | USLHS Light List (Atlantic): 39 | |
| 1920 | |||
| 1927 | Bell (4,000-lb.); gp. 2 strokes every 20 sec. | ||
| 1931 | BELL; gp. 2 strokes every 20 sec. | ||
| 1935 | USLHS Light List (Atlantic): 41 | ||
| 1940 | HORN, diaphragm, air; blast 2 sec., silent 18 sec. | Bell hand, if horn is disabled. | USCG Light List (Atlantic): 48 |
| 1943 | USCG Light List (Atlantic): 56 | ||
| 1945-1947 | |||
| 1950-1951 | Bell, hand, if horn is disabled. | ||
| 1953-1955 | HORN, diaphragm; 1 blast ev 20s (2sbl). | Bell, hand, 2 strokes ev 30s, if horn is disabled. | USCG Light List - Vol. I-VI: 158 |
| 1957 | |||
| 1959-1960 | HORN, diaphragm; chime; 1 blast ev 20s (2sbl). | USCG Light List - Vol. I-V: 162 | |
| 1961 | USCG Light List - Vol. I: 162 | ||
| 1963-1964 | |||
| 1965 | None | ||
| 1966 | HORN, diaphragm; 1 blast ev 20s (2sbl). | USCG Light List - Vol. I: 276 | |
| 1969-1970 | |||
| 1971-1972 | HORN, diaphragm; 1 blast ev 15s (2sbl). | ||
| 1973-1975 | HORN, 1 blast ev 15s (2sbl). | ||
| 1976-1979 | HORN: 1 blast ev 15s (2sbl). | ||
| 1982 | HORN: 1 blast ev 15s (2s bl). | ||
| 1987 | HORN: 1 blast ev 15s (2s bl). | USCG Light List - Vol. I: 4640 | |
| 1990-1992 | USCG Light List - Vol. I: 4450 | ||
| 1993-1996 | USCG Light List - Vol. I: 4540 | ||
| 2004 | HORN: 1 blast ev 15s (2s bl). |
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1897 - Present |