Cape Mendocino (California)
Historical Light List Characteristics
| 1878 | Iso W 30s. W28. | LHB Light List (All Coasts): 468 |
| 1879 | LHB Light List (All Coasts): 487 | |
| 1881 | Fl W 30s. W28. | LHB Light List (Dist. 12): N/A |
| 1886 | LHB Light List (All Coasts): 621 | |
| 1887 | LHB Light List (Dist. 12): N/A | |
| 1888 | LHB Light List (All Coasts): 661 | |
| 1892 | LHB Light List (Dist. 12-13): 858 | |
| 1893 | LHB Light List (Dist. 12-13): 884 | |
| 1894 | LHB Light List (Dist. 12-13): 901 | |
| 1895 | LHB Light List (Dist. 12-13): 917 | |
| 1896 | LHB Light List (Dist. 12-13): 1018 | |
| 1900 | LHB Light List (Dist. 12-13): 42 | |
| 1906 | LHB Light List (Dist. 12-13): 57 | |
| 1911 | USLHS Light List (16th-18th): N/A | |
| 1914 | Fl W 30s. W28. fl 4.3. | USLHS Light List (Pacific): 85 |
| 1930-1933 | Fl W 30s. W28. fl 4.5. | USLHS Light List (Pacific): 269 |
| 1945 | USCG Light List (Pacific): 727 | |
| 1950-1951 | Fl W 30s. W28. fl 5. | |
| 1952-1960 | USCG Light List - Vol. I-V: 236 | |
| 1961-1962 | USCG Light List - Vol. III: 236 | |
| 1963 | Fl(2) W 30s. W28. fl 0.5, ec 5, fl 0.5, ec 24. | |
| 1964-1965 | USCG Light List - Vol. III: 62 | |
| 1966-1970 | Fl(2) W 30s. W28. fl 0.4, ec 5.1, fl 0.4, ec 24.1. | |
| 1971-1972 | Fl W 15s. W30. | USCG Light List - Vol. III: 62 |
| 1973-1974 | Fl W 15s. W26. | |
| 1975-1979 | USCG Light List - Vol. III: 69 | |
| 1980-1984 | Fl W 15s. W24. | |
| 1985 | USCG Light List - Vol. VI: 69 | |
| 1986 | USCG Light List - Vol. VI: 480 | |
| 1988 | ||
| 1990 | ||
| 2004 | Fl W 15s. W19. |
Historical Light List Optics and Structures
| 1878 | 1st | 20 | 423 | The tower is of wrought iron, in shape a regular polygon, of 16 sides. Tower and lantern painted white; dome of lantern painted red. Keeper's dwelling of wood, 150 feet E. SE., of the tower. | LHB Light List (All Coasts): 468 |
| 1879 | LHB Light List (All Coasts): 487 | ||||
| 1881 | N/A | White; dome of lantern and balustrade, red. A sixteen-side tower. | LHB Light List (Dist. 12): N/A | ||
| 1886 | 423 | Tower, white, of sixteen sides; lantern, white; dome and balustrade, red; buff-colored dwelling, 150 feet E. S. E. of the tower. | LHB Light List (All Coasts): 621 | ||
| 1887 | N/A | N/A | White; dome, balustrade, and lantern, black. A sixteen-sided tower. | LHB Light List (Dist. 12): N/A | |
| 1888 | 1st | 423 | White; dome, balustrade, and lantern, black. A sixteen-sided tower. [Info taken from the '1888 List of Beacons, Buoys, Stakes, and Other Day-Marks in the Twelfth Light-House District, Embracing the Sea-Coast and Bays of California' due to info missing in normal light list.] | LHB Light List (All Coasts): 661 | |
| 1892 | N/A | White sixteen-side tower; lantern, black. | LHB Light List (Dist. 12-13): 858 | ||
| 1893 | 423 | LHB Light List (Dist. 12-13): 884 | |||
| 1894 | LHB Light List (Dist. 12-13): 901 | ||||
| 1895 | LHB Light List (Dist. 12-13): 917 | ||||
| 1896 | LHB Light List (Dist. 12-13): 1018 | ||||
| 1900 | 422 | LHB Light List (Dist. 12-13): 42 | |||
| 1906 | LHB Light List (Dist. 12-13): 57 | ||||
| 1911 | N/A | N/A | White. Sixteen-side tower. | USLHS Light List (16th-18th): N/A | |
| 1914 | N/A | 20 | 422 | White; 16-sided pyramidal tower. | USLHS Light List (Pacific): 85 |
| 1930-1933 | 1 iov | 43 | White, 16-sided pyramidal tower. | USLHS Light List (Pacific): 269 | |
| 1945 | 1 e | USCG Light List (Pacific): 727 | |||
| 1950-1951 | Dl e | ||||
| 1952-1960 | N/A | White 16-sided pyramidal tower. | USCG Light List - Vol. I-V: 236 | ||
| 1961-1963 | USCG Light List - Vol. III: 236 | ||||
| 1964-1970 | USCG Light List - Vol. III: 62 | ||||
| 1971-1973 | N/A | N/A | 515 | White pole. | USCG Light List - Vol. III: 62 |
| 1974 | Pole. | ||||
| 1975-1983 | USCG Light List - Vol. III: 69 | ||||
| 1984 | On pile. | ||||
| 1985 | USCG Light List - Vol. VI: 69 | ||||
| 1986 | USCG Light List - Vol. VI: 480 | ||||
| 1988 | |||||
| 1990 | |||||
| 2004 | On post. |
Historical Light List Other Signals
| 1930-1933 | None | USLHS Light List (Pacific): 269 |
| 1945 | RADIOBEACON: Transmits on 292 kc., groups of dash, dot, dash (![]() ![]() ). Antenna lead-in 277 feet 103° from light tower. |
USCG Light List (Pacific): 727 |
| 1950-1951 | None | |
| 1952-1960 | USCG Light List - Vol. I-V: 236 | |
| 1961-1963 | USCG Light List - Vol. III: 236 | |
| 1964-1971 | USCG Light List - Vol. III: 62 | |
| 1972 | RADIOBEACON: Antenna 125 yards 057° from light tower. | |
| 1973-1974 | RADIOBEACON: Antenna 100 yards 074° from light tower. | |
| 1975-1976 | RBN: 320 kHz (![]() ![]() ![]() ) I. Antenna 100 yards 074° from light tower. |
USCG Light List - Vol. III: 69 |
| 1977-1984 | None | |
| 1985 | USCG Light List - Vol. VI: 69 | |
| 1986 | USCG Light List - Vol. VI: 480 | |
| 1988 | ||
| 1990 | ||
| 2004 |
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1868 - 1970 (Approximate location: Located closer to the water and down the hill from the modern light.) |
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1971 - Present |



