Farallon Island (California)
Historical Light List Characteristics
| 1857-1858 | Fl W 60s. W26. | LHB Light List (US): 372 |
| 1860 | LHB Light List (US): 355 | |
| 1865 | LHB Light List (All Coasts): 361 | |
| 1866 | LHB Light List (All Coasts): 365 | |
| 1868 | LHB Light List (All Coasts): 367 | |
| 1878 | LHB Light List (All Coasts): 459 | |
| 1879 | LHB Light List (All Coasts): 478 | |
| 1881 | LHB Light List (Dist. 12): N/A | |
| 1886 | LHB Light List (All Coasts): 610 | |
| 1887 | LHB Light List (Dist. 12): N/A | |
| 1888 | LHB Light List (All Coasts): 650 | |
| 1892 | LHB Light List (Dist. 12-13): 841 | |
| 1893 | LHB Light List (Dist. 12-13): 865 | |
| 1894 | LHB Light List (Dist. 12-13): 882 | |
| 1895 | LHB Light List (Dist. 12-13): 898 | |
| 1896 | LHB Light List (Dist. 12-13): 999 | |
| 1900 | LHB Light List (Dist. 12-13): 21 | |
| 1906 | LHB Light List (Dist. 12-13): 25 | |
| 1911 | USLHS Light List (16th-18th): N/A | |
| 1914 | Fl W 60s. W26. fl 4.5. | USLHS Light List (Pacific): 32 |
| 1930-1933 | Fl(3) W 30s. W26. (fl 0.3, ec 3.5) x 2, fl 0.3, ec 22.1. | USLHS Light List (Pacific): 80 |
| 1945 | Fl W 20s. W26. fl 2.7. | USCG Light List (Pacific): 225 |
| 1950-1951 | ||
| 1952-1960 | USCG Light List - Vol. I-V: 219 | |
| 1961 | USCG Light List - Vol. III: 219 | |
| 1962-1963 | Fl(2) W 20s. W26. fl 0.5, ec 4.5, fl 0.5, ec 14.5. | |
| 1964-1965 | USCG Light List - Vol. III: 46 | |
| 1966-1968 | Fl(2) W 20s. W26. fl 0.3, ec 4.7, fl 0.3, ec 14.7. | |
| 1969-1974 | Fl W 15s. W26. | |
| 1975-1977 | USCG Light List - Vol. III: 52 | |
| 1978-1984 | Fl W 15s. W25. | |
| 1985 | USCG Light List - Vol. VI: 52 | |
| 1986 | USCG Light List - Vol. VI: 355 | |
| 1988 | ||
| 1990 | ||
| 2004 | Fl W 15s. W20. |
Historical Light List Optics and Structures
| 1857-1858 | 1st | 29 | 360 | Tower on the highest peak of the rock. | LHB Light List (US): 372 |
| 1860 | LHB Light List (US): 355 | ||||
| 1865 | LHB Light List (All Coasts): 361 | ||||
| 1866 | LHB Light List (All Coasts): 365 | ||||
| 1868 | LHB Light List (All Coasts): 367 | ||||
| 1878 | Light on conical tower, on the highest peak of the rock; keeper's dwelling on foot of the hill, 500 yards south of the tower, and is of dark stone. Tower is white; lantern, red. | LHB Light List (All Coasts): 459 | |||
| 1879 | LHB Light List (All Coasts): 478 | ||||
| 1881 | N/A | White; dome of lantern, red. Conical tower. | LHB Light List (Dist. 12): N/A | ||
| 1886 | 360 | Conical white tower; on the highest peak of the rock; lantern, red. Three dwellings, with out-houses, at foot of hill, about 500 yards S. of tower; one white, the other light buff; out-houses, same. The fog-signal structures, consisting of signal-house, coal-house, blacksmith shops, &c., bear from the white dwelling S. E. by S. 1/4 S., 600 feet; painted buff. | LHB Light List (All Coasts): 610 | ||
| 1887 | N/A | N/A | White; lantern, red. Conical tower. | LHB Light List (Dist. 12): N/A | |
| 1888 | 1st | 360 | Conical white tower; on the highest peak of the rock; lantern, black. Three dwellings, with out-houses, at foot of hill, about 500 yards S. of tower; one white, the other light buff; out-houses, same. The fog-signal structures, painted buff, consisting of signal-house, coal-house, blacksmith shops, &c., bear from the white dwelling S. E. by S. 1/4 S., 600 feet. | LHB Light List (All Coasts): 650 | |
| 1892 | N/A | Conical white tower; on highest peak of rock; lantern, black. | LHB Light List (Dist. 12-13): 841 | ||
| 1893 | 360 | LHB Light List (Dist. 12-13): 865 | |||
| 1894 | LHB Light List (Dist. 12-13): 882 | ||||
| 1895 | LHB Light List (Dist. 12-13): 898 | ||||
| 1896 | LHB Light List (Dist. 12-13): 999 | ||||
| 1900 | 358 | LHB Light List (Dist. 12-13): 21 | |||
| 1906 | LHB Light List (Dist. 12-13): 25 | ||||
| 1911 | N/A | N/A | White. Conical tower. | USLHS Light List (16th-18th): N/A | |
| 1914 | N/A | 29 | 358 | White; conical tower. | USLHS Light List (Pacific): 32 |
| 1930-1933 | 1 iov | 41 | White conical tower. | USLHS Light List (Pacific): 80 | |
| 1945 | 1 e | USCG Light List (Pacific): 225 | |||
| 1950-1951 | Dl e | ||||
| 1952-1960 | N/A | USCG Light List - Vol. I-V: 219 | |||
| 1961-1963 | USCG Light List - Vol. III: 219 | ||||
| 1964-1974 | USCG Light List - Vol. III: 46 | ||||
| 1975-1984 | USCG Light List - Vol. III: 52 | ||||
| 1985 | USCG Light List - Vol. VI: 52 | ||||
| 1986 | USCG Light List - Vol. VI: 355 | ||||
| 1988 | |||||
| 1990 | |||||
| 2004 |
Historical Light List Audible Fog Signals
| 1857-1858 | None | None | LHB Light List (US): 372 |
| 1860 | LHB Light List (US): 355 | ||
| 1865 | LHB Light List (All Coasts): 361 | ||
| 1866 | LHB Light List (All Coasts): 365 | ||
| 1868 | LHB Light List (All Coasts): 367 | ||
| 1878 | LHB Light List (All Coasts): 459 | ||
| 1879 | LHB Light List (All Coasts): 478 | ||
| 1881 | LHB Light List (Dist. 12): N/A | ||
| 1886 | LHB Light List (All Coasts): 610 | ||
| 1887 | LHB Light List (Dist. 12): N/A | ||
| 1888 | LHB Light List (All Coasts): 650 | ||
| 1892 | 1st-class steam siren; blasts 5 sec., silent intervals 45 sec. | LHB Light List (Dist. 12-13): 841 | |
| 1893 | LHB Light List (Dist. 12-13): 865 | ||
| 1894 | LHB Light List (Dist. 12-13): 882 | ||
| 1895 | LHB Light List (Dist. 12-13): 898 | ||
| 1896 | LHB Light List (Dist. 12-13): 999 | ||
| 1900 | LHB Light List (Dist. 12-13): 21 | ||
| 1906 | LHB Light List (Dist. 12-13): 25 | ||
| 1911 | None | USLHS Light List (16th-18th): N/A | |
| 1914 | 1st-cl. air siren: Blast 4 sec. Silent 16 sec. | USLHS Light List (Pacific): 32 | |
| 1930-1933 | DIAPHONE, air; 1 blast and gp. 2 blasts "12" every 60 sec.: Blast 2 sec., silent 4 sec., blast 2 sec., silent 1 sec., blast 2 sec., silent 49 sec. | Air siren; same characteristic, if diaphone disabled. | USLHS Light List (Pacific): 80 |
| 1945 | DIAPHONE, air; 1 blast and group of 2 blasts "12" every 60 sec.; blast 2 sec., silent 4 sec., blast 2 sec., silent 1 sec., blast 2 sec., silent 49 sec. | Siren; same characteristic, if diaphone disabled. | USCG Light List (Pacific): 225 |
| 1950 | |||
| 1951 | DIAPHONE, air, two-tone; 1 blast and group of 2 blasts "12" every 60 sec.; blast 2 sec., silent 4 sec., blast 2 sec., silent 1 sec., blast 2 sec., silent 49 sec. | None | |
| 1952 | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. Fog signal located 360 yards 180° from light tower. | USCG Light List - Vol. I-V: 219 | |
| 1953 | DIAPHONE, two-tone; 1 blast Gp. of 2 blasts "12" ev. 60s (2sbl-4ssi-2sbl-1ssi-2sbl-49ssi). Fog signal located 360 yards 180° from light tower. | ||
| 1954-1960 | DIAPHONE, two-tone; 1 blast and gp of 2 blasts "12" ev 60s (2sbl-4ssi-2sbl-1ssi-2sbl-49ssi). Fog signal located 360 yards 180° from light tower. | ||
| 1961-1963 | USCG Light List - Vol. III: 219 | ||
| 1964-1969 | DIAPHONE (1+2), two-tone; 3 blasts ev 60s (2sbl-4ssi-2sbl-1ssi-2sbl-49ssi). Fog signal located 360 yards 180° from light tower. | USCG Light List - Vol. III: 46 | |
| 1970-1972 | HORN, diaphragm; 2 blasts ev 60s (3sbl-3ssi-3sbl-51ssi). Fog signal located 275 yards 184° from light tower. | ||
| 1973-1974 | HORN, 2 blasts ev 60s (3sbl-3ssi-3sbl-51ssi). Fog signal located 275 yards 184° from light tower. | ||
| 1975 | HORN, 2 blasts ev 60s (3sbl-3ssi-3sbl-51ssi). Operates continuously. Fog signal located 275 yards 184° from light tower. | USCG Light List - Vol. III: 52 | |
| 1976 | HORN: 2 blasts ev 60s (3sbl-3ssi-3sbl-51ssi). Operates continuously. Fog signal located 275 yards 184° from light tower. | ||
| 1977-1984 | None | ||
| 1985 | USCG Light List - Vol. VI: 52 | ||
| 1986 | USCG Light List - Vol. VI: 355 | ||
| 1988 | |||
| 1990 | |||
| 2004 |
Historical Light List Other Signals
| 1930-1933 | None | USLHS Light List (Pacific): 80 |
| 1945 | RADIOBEACON: Transmits on 314 kc, groups of dot, dash, dot (  ). Antenna lead-in 735 feet 208° from lighthouse. DISTANCE-FINDING STATION. |
USCG Light List (Pacific): 225 |
| 1950-1951 | RADIOBEACON: Transmits on 314 kc, groups of dot, dash, dot (). Antenna lead-in 735 feet 208° from lighthouse. DISTANCE-FINDING STATION. |
|
| 1952 | RADIOBEACON: 314 kc (Code: ). Antenna 735 feet 208° from light tower. |
USCG Light List - Vol. I-V: 219 |
| 1953-1958 | RADIOBEACON: 314 kc (Code: ). Antenna 290 yards 246° from light tower. |
|
| 1959-1960 | RADIOBEACON: 314 kc (Code: ). Antenna 290 yards 201° from light tower. |
|
| 1961 | USCG Light List - Vol. III: 219 | |
| 1962-1963 | RADIOBEACON: Antenna 290 yards 201° from light tower. | |
| 1964 | USCG Light List - Vol. III: 46 | |
| 1965-1974 | RADIOBEACON: Antenna 280 yards 180° from light tower. | |
| 1975 | RBN: 314 kHz (); Antenna 280 yards 180° from light tower. |
USCG Light List - Vol. III: 52 |
| 1976-1978 | RBN: 314 kHz (). Antenna 280 yards 180° from light tower. |
|
| 1979-1984 | RBN: 314 kHz F (). Antenna 280 yards 180° from light tower. |
|
| 1985 | USCG Light List - Vol. VI: 52 | |
| 1986 | USCG Light List - Vol. VI: 355 | |
| 1988 | ||
| 1990 | ||
| 2004 | None |
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1855 - Present |