West Chop (Massachusetts)
Historical Light List Characteristics
| 1839 | F W. | USLHE Light List (US): 60 |
| 1849 | F W. W16. | USLHE Light List (US): 63 |
| 1858 | F W. W12. | LHB Light List (US): 98 |
| 1860 | LHB Light List (US): 87 | |
| 1865-1866 | LHB Light List (All Coasts): 87 | |
| 1868 | ||
| 1870 | F W. W13. | LHB Light List (All Coasts): 89 |
| 1878-1879 | LHB Light List (All Coasts): 114 | |
| 1886 | F W. W133/4. | LHB Light List (All Coasts): 116 |
| 1888 | LHB Light List (All Coasts): 119 | |
| 1893 | F WR. W143/4, R143/4. Red sector between WNW. and N. by W. 3/4 W. | LHB Light List (Atlantic): 130 |
| 1898 | LHB Light List (Atlantic): 157 | |
| 1899 | LHB Light List (Atlantic): 161 | |
| 1905 | LHB Light List (Atlantic): 174 | |
| 1908 | LHB Light List (Atlantic): 183 | |
| 1915 | F WR. W15, R13. R281°-331°(50°), W331°-281°(310°). | USLHS Light List (Atlantic): 229 |
| 1917 | USLHS Light List (Atlantic): 235 | |
| 1920 | USLHS Light List (Atlantic): 241 | |
| 1927 | F WR. W15, R15. R281°-331°(50°), W331°-281°(310°). | |
| 1931 | USLHS Light List (Atlantic): 283 | |
| 1935 | USLHS Light List (Atlantic): 306 | |
| 1940 | USCG Light List (Atlantic): 302 | |
| 1943 | USCG Light List (Atlantic): 370 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 384 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 411 | |
| 1961 | USCG Light List - Vol. I: 411 | |
| 1963 | ||
| 1964-1965 | Oc(1+2) WR 10s. W15 R15. ec 1, lt 1, (ec 1, lt 3) x 2. R281°-331°(50°), W331°-281°(310°). | |
| 1966 | USCG Light List - Vol. I: 565 | |
| 1969-1972 | ||
| 1973 | Oc(1+2) WR 10s. W16 R13. ec 1, lt 1, (ec 1, lt 3) x 2. R281°-331°(50°), W331°-281°(310°). | |
| 1974 | Oc WR 4s. W12, R11. ec 1. R281°-331°(50°), W331°-281°(310°). | |
| 1975-1979 | Oc WR 4s. W15, R11. ec 1. R281°-331°(50°), W331°-281°(310°). | |
| 1982 | ||
| 1987 | Oc WR 4s. W15, R11. R281°-331°(50°), W331°-281°(310°). | USCG Light List - Vol. I: 13220 |
| 1990-1992 | USCG Light List - Vol. I: 12965 | |
| 1993-1996 | USCG Light List - Vol. I: 13775 | |
| 2004 | Oc WR 4s. W14, R10. ec 1. R281°-331°(50°), W331°-281°(310°). |
Historical Light List Optics and Structures
| 1839 | 10 Lamps / 15" Refl. | 25 | 60 | N/A | USLHE Light List (US): 60 |
| 1849 | 9 Lamps / 15" Refl. | 32 | USLHE Light List (US): 63 | ||
| 1858 | 4th | 33 | LHB Light List (US): 98 | ||
| 1860 | LHB Light List (US): 87 | ||||
| 1865-1866 | Lantern black. | LHB Light List (All Coasts): 87 | |||
| 1868 | |||||
| 1870 | 36 | 69 | LHB Light List (All Coasts): 89 | ||
| 1878-1879 | Tower, white; lantern, black; covered way to one-story white house. | LHB Light List (All Coasts): 114 | |||
| 1886 | White tower and dwelling, connected by covered way; lantern, black. Fog-signal house, white, with red roof; stands about 100 feet N.E. of tower. | LHB Light List (All Coasts): 116 | |||
| 1888 | White tower and two white dwellings, connected; lantern, black. Fog signal house, white, with red roof; stands about 100 feet N.E. of tower. | LHB Light List (All Coasts): 119 | |||
| 1893 | 501/2 | 831/2 | Cylindrical red brick tower, with brick service room attached; lantern, black; two white dwellings. Fog-signal house, white, with red roof, stands about 100 feet NE. of tower. | LHB Light List (Atlantic): 130 | |
| 1898 | Cylindrical red brick tower, with brick service room attached; lantern, black; two white dwellings. Fog-signal house, white, with red roof, stands about 100 feet NE. of tower. Red brick oil house 218 feet E. 5/8 of tower. | LHB Light List (Atlantic): 157 | |||
| 1899 | Cylindrical white brick tower, with brick service room attached; lantern, black; two white dwellings. Fog-signal house, white, with red roof, about 100 feet NE. of tower. Red brick oil house 218 feet E. 5/8 of tower. | LHB Light List (Atlantic): 161 | |||
| 1905 | Cylindrical, white, brick tower, with brick service room attached; lantern, black; two white dwellings. Fog-signal house, white, with red roof, stands about 100 feet NE. of tower. White brick oil house 218 feet E. 5/8 of tower. | LHB Light List (Atlantic): 174 | |||
| 1908 | White, conical, brick tower, with brick serviceroom attached; black lantern; two white dwellings; fog-signal house, white, with red roof, about 100 feet NE'ly of tower; white, brick oil house 218 feet E'ly of tower. | LHB Light List (Atlantic): 183 | |||
| 1915 | N/A | 65 | 84 | White; conical tower. | USLHS Light List (Atlantic): 229 |
| 1917 | White conical tower. | USLHS Light List (Atlantic): 235 | |||
| 1920 | USLHS Light List (Atlantic): 241 | ||||
| 1927 | |||||
| 1931 | 4 ei | USLHS Light List (Atlantic): 283 | |||
| 1935 | USLHS Light List (Atlantic): 306 | ||||
| 1940 | 4 e | N/A | USCG Light List (Atlantic): 302 | ||
| 1943 | USCG Light List (Atlantic): 370 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 384 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 411 | ||||
| 1961 | USCG Light List - Vol. I: 411 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 565 | ||||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 13220 | ||||
| 1990-1992 | USCG Light List - Vol. I: 12965 | ||||
| 1993-1996 | USCG Light List - Vol. I: 13775 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1858 | None | None | LHB Light List (US): 98 |
| 1860 | LHB Light List (US): 87 | ||
| 1865-1866 | LHB Light List (All Coasts): 87 | ||
| 1868 | |||
| 1870 | LHB Light List (All Coasts): 89 | ||
| 1878-1879 | LHB Light List (All Coasts): 114 | ||
| 1886 | 10-inch steam-whistle; blasts 3 sec., intervals 27 sec. | LHB Light List (All Coasts): 116 | |
| 1888 | LHB Light List (All Coasts): 119 | ||
| 1893 | 10-inch steam whistle; blasts 3 sec., silent intervals 27 sec. | LHB Light List (Atlantic): 130 | |
| 1898 | LHB Light List (Atlantic): 157 | ||
| 1899 | LHB Light List (Atlantic): 161 | ||
| 1905 | LHB Light List (Atlantic): 174 | ||
| 1908 | LHB Light List (Atlantic): 183 | ||
| 1915 | 10-inch steam whistle: blasts 3 sec., silent 27 sec. | USLHS Light List (Atlantic): 229 | |
| 1917 | USLHS Light List (Atlantic): 235 | ||
| 1920 | USLHS Light List (Atlantic): 241 | ||
| 1927 | |||
| 1931 | WHISTLE, 10-inch steam: blasts 3 sec., silent 27 sec. | USLHS Light List (Atlantic): 283 | |
| 1935 | USLHS Light List (Atlantic): 306 | ||
| 1940 | WHISTLE, air: blasts 3 sec., silent 27 sec. | USCG Light List (Atlantic): 302 | |
| 1943 | USCG Light List (Atlantic): 370 | ||
| 1945 | |||
| 1946-1947 | WHISTLE, air: blast 3 sec., silent 27 sec. | ||
| 1950-1951 | |||
| 1952 | WHISTLE, air; blast 3 sec., silent 27 sec. | ||
| 1953-1955 | WHISTLE: 1 blast ev 30s (3sbl). | Bell, hand, gp of 3 strokes ev 30s if whistle is disabled. | USCG Light List - Vol. I-VI: 384 |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 411 | ||
| 1961 | USCG Light List - Vol. I: 411 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 565 | ||
| 1969-1972 | Bell, hand, 3 strokes ev 30s if whistle is inoperative. | ||
| 1973-1975 | HORN, 1 blast ev 30s (3sbl). | None | |
| 1976-1979 | HORN: 1 blast ev 30s (3sbl). | ||
| 1982 | HORN: 1 blast ev 30s (3s bl). | ||
| 1987 | HORN: 1 blast ev 30s (3s bl). | USCG Light List - Vol. I: 13220 | |
| 1990-1992 | USCG Light List - Vol. I: 12965 | ||
| 1993-1996 | USCG Light List - Vol. I: 13775 | ||
| 2004 | HORN: 1 blast ev 30s (3s bl). |
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1817 - 1845 (Approximate location about 1,000 northwest of the 1846 lighthouse.) |
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1846 - Present (Exact location of the current 1891 lighthouse. Location of the 1846 lighthouse is assumed to be close.) |