Mile Rocks (California)
Historical Light List Characteristics
| 1906 | F R. R141/2. | LHB Light List (Dist. 12-13): 28 |
| 1911 | F R. R14. | USLHS Light List (16th-18th): N/A |
| 1914 | Oc(2) W 20s. W11. ec 2.5, lt 5, ec 2.5, lt 10. | USLHS Light List (Pacific): 38 |
| 1930-1933 | Oc(2) W 20s. W15. ec 2.5, lt 5, ec 2.5, lt 10. | USLHS Light List (Pacific): 90 |
| 1945 | Oc(2) W 10s. W14. ec 2, lt 2, ec 2, lt 4. | USCG Light List (Pacific): 268 |
| 1950-1951 | ||
| 1952-1960 | USCG Light List - Vol. I-V: 221 | |
| 1961-1963 | USCG Light List - Vol. III: 221 | |
| 1964-1965 | USCG Light List - Vol. III: 640 | |
| 1966-1972 | Fl W 5s. W12. | |
| 1973-1974 | Fl W 5s. W23. | |
| 1975-1980 | USCG Light List - Vol. III: 566 | |
| 1981-1984 | Fl W 5s. W22. | |
| 1985 | USCG Light List - Vol. VI: 566 | |
| 1986 | USCG Light List - Vol. VI: 4245 | |
| 1988 | ||
| 1990 | Fl W 5s. W15. | |
| 2004 |
Historical Light List Optics and Structures
| 1906 | 3rd | N/A | 781/4 | White, oval, steel pier, expanding in trumpet shape to form a gallery, surmounted by white, oval, one story dwelling, a two-story, cyclindrical tower and watchroom, and a black cylindrical lantern. | LHB Light List (Dist. 12-13): 28 |
| 1911 | N/A | White. Cylindrical tower on oval dwelling on oval pier; steel. | USLHS Light List (16th-18th): N/A | ||
| 1914 | N/A | 78 | White; cylindrical tower on dwelling. | USLHS Light List (Pacific): 38 | |
| 1930-1933 | 3 iov | White cylindrical tower on dwelling. | USLHS Light List (Pacific): 90 | ||
| 1945 | 3 e | USCG Light List (Pacific): 268 | |||
| 1950-1951 | |||||
| 1952-1960 | N/A | White cylindrical tower, black base. | USCG Light List - Vol. I-V: 221 | ||
| 1961-1963 | USCG Light List - Vol. III: 221 | ||||
| 1964 | USCG Light List - Vol. III: 640 | ||||
| 1965 | 49 | Black and white tower. | |||
| 1966-1974 | White tower. | ||||
| 1975-1982 | USCG Light List - Vol. III: 566 | ||||
| 1983 | Orange and white horizontally banded structure. | ||||
| 1984 | Orange and white horizontally bands. | ||||
| 1985 | USCG Light List - Vol. VI: 566 | ||||
| 1986 | Orange and white bands. | USCG Light List - Vol. VI: 4245 | |||
| 1988 | |||||
| 1990 | |||||
| 2004 | White caisson with orange bands. |
Historical Light List Audible Fog Signals
| 1906 | 10-inch compressed-air whistle; blasts 3 sec., silent intervals 27 sec. | None | LHB Light List (Dist. 12-13): 28 |
| 1911 | None | USLHS Light List (16th-18th): N/A | |
| 1914 | 10-inch air whistle: Blast 3 sec. Silent 27 sec. Whistle sounds 5 or 6 short, sharp blasts and blast of 15 sec. to warn the life-saving crew when vessels are in distress. | USLHS Light List (Pacific): 38 | |
| 1930-1933 | DIAPHONE, air: Blast 3 sec., silent 27 sec. Diaphone sounds 5 or 6 short blasts and blast of 15 sec. to warn coast-guard when vessels are in distress. | Air whistle if diaphone is disabled. | USLHS Light List (Pacific): 90 |
| 1945 | DIAPHONE, air; blast 3 sec., silent 27 sec. Diaphone sounds 5 or 6 short blasts and blast of 15 sec. to warn Coast Guard when vessels are in distress. | USCG Light List (Pacific): 268 | |
| 1950-1951 | None | ||
| 1952-1960 | DIAPHONE: 1 blast ev 30s (3sbl). | USCG Light List - Vol. I-V: 221 | |
| 1961-1963 | USCG Light List - Vol. III: 221 | ||
| 1964-1965 | USCG Light List - Vol. III: 640 | ||
| 1966 | HORN, diaphragm; 1 blast ev 30s (3sbl). | ||
| 1967-1972 | HORN, diaphragm; 1 blast ev 15s (2sbl). | ||
| 1973-1974 | HORN, 1 blast ev 15s (2sbl). | ||
| 1975 | USCG Light List - Vol. III: 566 | ||
| 1976-1980 | HORN: 1 blast ev 15s (2sbl). | ||
| 1981-1984 | HORN: 1 blast ev 15s (2s bl). | ||
| 1985 | USCG Light List - Vol. VI: 566 | ||
| 1986 | HORN: 1 blast ev 30s (2s bl). | USCG Light List - Vol. VI: 4245 | |
| 1988 | |||
| 1990 | HORN: 1 blast ev 30s (2s bl). Operates continuously. | ||
| 2004 | HORN: 1 blast ev 30s (2s bl). Operates continuously. |
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1906 - Present |