Pass Manchac (Louisiana)
Historical Light List Characteristics
| 1839 | F W. Lighthouse characteristic is assumed. | USLHE Light List (US): 200 |
| 1849 | F W. W13. | USLHE Light List (US): 224 |
| 1858 | F W. W10. | LHB Light List (US): 342 |
| 1860 | LHB Light List (US): 327 | |
| 1868 | LHB Light List (All Coasts): 339 | |
| 1870 | F W. W12. | LHB Light List (All Coasts): 336 |
| 1878 | F W. W11. Arc illuminated NW. 3/4 N. by N'd to W. 3/4 S. | LHB Light List (All Coasts): 426 |
| 1879 | LHB Light List (All Coasts): 440 | |
| 1886 | LHB Light List (All Coasts): 564 | |
| 1888 | LHB Light List (All Coasts): 598 | |
| 1893 | F W. W103/4. | LHB Light List (Atlantic): 804 |
| 1898 | LHB Light List (Atlantic): 962 | |
| 1899 | LHB Light List (Atlantic): 977 | |
| 1905 | LHB Light List (Atlantic): 1190 | |
| 1908 | LHB Light List (Atlantic): 1310 | |
| 1915 | F W. W11. | USLHS Light List (Atlantic): 1834 |
| 1917 | USLHS Light List (Atlantic): 1968 | |
| 1920 | USLHS Light List (Atlantic): 2054 | |
| 1927 | USLHS Light List (Atlantic): 2265 | |
| 1931 | USLHS Light List (Atlantic): 2735 | |
| 1935 | USLHS Light List (Atlantic): 3565 | |
| 1953-1955 | Fl W 6s. W11. fl 1. | USCG Light List - Vol. I-VI: 5825 |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 6828 | |
| 1961 | USCG Light List - Vol. II: 6828 | |
| 1963 | ||
| 1965-1966 | ||
| 1969-1970 | USCG Light List - Vol. II: 1995 | |
| 1972 | ||
| 1973-1974 | Fl W 6s. W8. | |
| 1976 | ||
| 1978 | ||
| 1982 | ||
| 1990 | USCG Light List - Vol. IV: 10735 |
Historical Light List Optics and Structures
| 1839 | 10 Lamps | N/A | N/A | N/A | USLHE Light List (US): 200 |
| 1849 | 9 Lamps / 14" Refl. | 32 | 34 | USLHE Light List (US): 224 | |
| 1858 | 4th | 42 | 45 | LHB Light List (US): 342 | |
| 1860 | LHB Light List (US): 327 | ||||
| 1868 | 5th | LHB Light List (All Coasts): 339 | |||
| 1870 | LHB Light List (All Coasts): 336 | ||||
| 1878 | 30 | 32 | A brick tower; brick dwelling attached. | LHB Light List (All Coasts): 426 | |
| 1879 | LHB Light List (All Coasts): 440 | ||||
| 1886 | Tower, white; brick dwelling attached. | LHB Light List (All Coasts): 564 | |||
| 1888 | LHB Light List (All Coasts): 598 | ||||
| 1893 | 31 | LHB Light List (Atlantic): 804 | |||
| 1898 | Cylindrical, white, brick tower attached to white brick dwelling. White, square, pyramidal fog-bell tower about 10 feet southerly of light tower. | LHB Light List (Atlantic): 962 | |||
| 1899 | LHB Light List (Atlantic): 977 | ||||
| 1905 | White, cylindrical, brick tower attached to white, brick dwelling. White, square, pyramidal, fog-bell tower about 10 feet southerly of light-tower. | LHB Light List (Atlantic): 1190 | |||
| 1908 | White, cylindrical, brick tower attached to white, brick dwelling; white, square, pyramidal, fog-bell tower about 10 feet S'ly of light-tower. | LHB Light List (Atlantic): 1310 | |||
| 1915 | N/A | 35 | White; brick; cylindrical tower attached to dwelling. | USLHS Light List (Atlantic): 1834 | |
| 1917 | USLHS Light List (Atlantic): 1968 | ||||
| 1920 | USLHS Light List (Atlantic): 2054 | ||||
| 1927 | White; cylindrical brick tower, attached to dwelling. | USLHS Light List (Atlantic): 2265 | |||
| 1931 | 5 o | White, cylindrical, brick tower, attached to dwelling. | USLHS Light List (Atlantic): 2735 | ||
| 1935 | USLHS Light List (Atlantic): 3565 | ||||
| 1953-1954 | N/A | N/A | White cylindrical brick tower attached to dwelling. In 8 feet. | USCG Light List - Vol. I-VI: 5825 | |
| 1955 | White cylindrical brick tower. | ||||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 6828 | ||||
| 1961 | USCG Light List - Vol. II: 6828 | ||||
| 1963 | |||||
| 1965-1966 | |||||
| 1969-1970 | USCG Light List - Vol. II: 1995 | ||||
| 1972-1974 | |||||
| 1976 | |||||
| 1978 | |||||
| 1982 | |||||
| 1990 | USCG Light List - Vol. IV: 10735 |
Historical Light List Audible Fog Signals
| 1858 | None | None | LHB Light List (US): 342 |
| 1860 | LHB Light List (US): 327 | ||
| 1868 | LHB Light List (All Coasts): 339 | ||
| 1870 | LHB Light List (All Coasts): 336 | ||
| 1878 | LHB Light List (All Coasts): 426 | ||
| 1879 | LHB Light List (All Coasts): 440 | ||
| 1886 | LHB Light List (All Coasts): 564 | ||
| 1888 | LHB Light List (All Coasts): 598 | ||
| 1893 | LHB Light List (Atlantic): 804 | ||
| 1898 | Bell struck by machinery every 30 sec. | LHB Light List (Atlantic): 962 | |
| 1899 | LHB Light List (Atlantic): 977 | ||
| 1905 | LHB Light List (Atlantic): 1190 | ||
| 1908 | Bell struck by machinery a single blow every 30 sec. | LHB Light List (Atlantic): 1310 | |
| 1915 | Bell; 1 stroke every 30 sec. | USLHS Light List (Atlantic): 1834 | |
| 1917 | USLHS Light List (Atlantic): 1968 | ||
| 1920 | USLHS Light List (Atlantic): 2054 | ||
| 1927 | USLHS Light List (Atlantic): 2265 | ||
| 1931 | BELL, 1 stroke every 30 sec. | USLHS Light List (Atlantic): 2735 | |
| 1935 | USLHS Light List (Atlantic): 3565 | ||
| 1953-1955 | None | USCG Light List - Vol. I-VI: 5825 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 6828 | ||
| 1961 | USCG Light List - Vol. II: 6828 | ||
| 1963 | |||
| 1965-1966 | |||
| 1969-1970 | USCG Light List - Vol. II: 1995 | ||
| 1972-1974 | |||
| 1976 | |||
| 1978 | |||
| 1982 | |||
| 1990 | USCG Light List - Vol. IV: 10735 |
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1839 - 1990 (1857 light was built relatively close to previous lights. Light was still in light list in 1990 although it probably was deactivated in 1987.) |