Thimble Shoal (Virginia)
Historical Light List Characteristics
| 1878 | FFl W, AlFl R 30s. F12 Fl12. | LHB Light List (All Coasts): 270 |
| 1879 | LHB Light List (All Coasts): 274 | |
| 1886 | F W 60s, AlFl(3) RW 60s. W12 R12. Interval between flashes 10 sec. | LHB Light List (All Coasts): 315 |
| 1888 | LHB Light List (All Coasts): 333 | |
| 1893 | F W 60s, AlFl(3) RW 60s. W11.75 R11.75. Interval between flashes 10 sec. | LHB Light List (Atlantic): 424 |
| 1898 | LHB Light List (Atlantic): 512 | |
| 1899 | LHB Light List (Atlantic): 525 | |
| 1905 | LHB Light List (Atlantic): 576 | |
| 1908 | LHB Light List (Atlantic): 621 | |
| 1915 | Iso W 2s. W13. | USLHS Light List (Atlantic): 812 |
| 1917 | USLHS Light List (Atlantic): 841 | |
| 1920 | USLHS Light List (Atlantic): 870 | |
| 1927 | USLHS Light List (Atlantic): 938 | |
| 1931 | USLHS Light List (Atlantic): 1245 | |
| 1935 | USLHS Light List (Atlantic): 1515 | |
| 1943 | USCG Light List (Atlantic): 1972 | |
| 1945 | ||
| 1946-1947 | USCG Light List (Atlantic): 1970 | |
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 2259 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 2670 | |
| 1961 | USCG Light List - Vol. I: 2670 | |
| 1963 | ||
| 1965 | Fl W 2.5s. W13. fl 0.5. | |
| 1966 | Fl W 2.5s. W13. | USCG Light List - Vol. I: 2927 |
| 1969-1970 | ||
| 1972 | ||
| 1973-1974 | Fl W 2.5s. W11. | |
| 1976 | Fl W 10s. W12. | |
| 1978 | ||
| 1982 | ||
| 1987 | Fl W 10s. W13. | USCG Light List - Vol. II: 4320 |
| 1990-1992 | Iso W 6s. W13. | USCG Light List - Vol. II: 8450 |
| 1993-1996 | Fl W 10s. W18. | USCG Light List - Vol. II: 9310 |
| 2004 | Fl W 10s. W20. |
Historical Light List Optics and Structures
| 1878 | 4th | N/A | 45 | An hexagonal screw-pile light-house in 11 feet water, at low tide. The iron foundation and roof of the light-house are painted brown, the superstructure drab, and lantern red. | LHB Light List (All Coasts): 270 |
| 1879 | LHB Light List (All Coasts): 274 | ||||
| 1886 | Hexagonal screw-pile structure; color, drab; piles and roof, brown; lantern, red. Placed in 11 feet of water at low tide. One bell is on the N. and the other on the S. side of the light-house. | LHB Light List (All Coasts): 315 | |||
| 1888 | White hexagonal screw-pile structure; piles and roof, brown; lantern, black. Stands in 11 feet of water at low tide. One bell is on the N. and the other on the S. side of the light-house. | LHB Light List (All Coasts): 333 | |||
| 1893 | 421/2 | White hexagonal screw-pile structure; piles and roof, brown; lantern, black. One bell on the N. and other on S. side of the light-house. Stands in 11 feet at mean low water. | LHB Light List (Atlantic): 424 | ||
| 1898 | White hexagonal screw-pile structure; piles and roof, brown; lantern, black. One bell on N. and other on S. side of the light-house. In 11 feet of water. | LHB Light List (Atlantic): 512 | |||
| 1899 | LHB Light List (Atlantic): 525 | ||||
| 1905 | White, hexagonal, screw-pile structure; piles and roof, brown; lantern, black. One bell on northerly and other on southerly side of the light-house. In 11 feet of water. | LHB Light List (Atlantic): 576 | |||
| 1908 | White, hexagonal, screw-pile structure; brown piles and roof; black lantern; one bell on N'ly and other on S'ly side of the light-house. In 11 feet of water. | LHB Light List (Atlantic): 621 | |||
| 1915 | N/A | 55 | Red conical tower, on brown cylindrical pier. In 13/4 fathoms. | USLHS Light List (Atlantic): 812 | |
| 1917 | USLHS Light List (Atlantic): 841 | ||||
| 1920 | USLHS Light List (Atlantic): 870 | ||||
| 1927 | USLHS Light List (Atlantic): 938 | ||||
| 1931 | 4 iov | Red conical tower, on brown cylindrical pier. In 10 feet. | USLHS Light List (Atlantic): 1245 | ||
| 1935 | USLHS Light List (Atlantic): 1515 | ||||
| 1943 | 4 e | USCG Light List (Atlantic): 1972 | |||
| 1945 | |||||
| 1946-1947 | USCG Light List (Atlantic): 1970 | ||||
| 1950-1952 | |||||
| 1953-1955 | N/A | Red conical tower on brown cylindrical pier. In 10 feet. | USCG Light List - Vol. I-VI: 2259 | ||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 2670 | ||||
| 1961 | USCG Light List - Vol. I: 2670 | ||||
| 1963 | |||||
| 1965 | |||||
| 1966 | USCG Light List - Vol. I: 2927 | ||||
| 1969-1970 | |||||
| 1972-1974 | |||||
| 1976 | |||||
| 1978 | |||||
| 1982 | |||||
| 1987 | Red conical tower on brown cylindrical pier. | USCG Light List - Vol. II: 4320 | |||
| 1990-1992 | USCG Light List - Vol. II: 8450 | ||||
| 1993-1996 | USCG Light List - Vol. II: 9310 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1878 | Two bells, struck simultaneously by machinery, at intervals of 5 seconds. One bell is on the north and the other on the south side of the light-house. | None | LHB Light List (All Coasts): 270 |
| 1879 | LHB Light List (All Coasts): 274 | ||
| 1886 | Two bells struck by machinery, simultaneously, every 5 sec. | LHB Light List (All Coasts): 315 | |
| 1888 | LHB Light List (All Coasts): 333 | ||
| 1893 | LHB Light List (Atlantic): 424 | ||
| 1898 | LHB Light List (Atlantic): 512 | ||
| 1899 | LHB Light List (Atlantic): 525 | ||
| 1905 | Compressed-air siren; blasts 41/2 sec., silent intervals 41/2 sec. | If siren be disabled, two bells will be struck by machinery, simultaneously, every 5 sec. | LHB Light List (Atlantic): 576 |
| 1908 | Compressed-air siren; blasts 31/2 sec., silent intervals 7 sec. | If siren be disabled two bells will be struck by machinery a single blow, simultaneously, every 5 sec. | LHB Light List (Atlantic): 621 |
| 1915 | 3d-cl. reed horn: blast 2 sec., silent 4 sec. | None | USLHS Light List (Atlantic): 812 |
| 1917 | Bell (hand) if horn is disabled. | USLHS Light List (Atlantic): 841 | |
| 1920 | Air diaphone: blast 2 sec., silent 8 sec. | Bell (hand) if diaphone is disabled. | USLHS Light List (Atlantic): 870 |
| 1927 | USLHS Light List (Atlantic): 938 | ||
| 1931 | DIAPHONE, air: Blast 2 sec., silent 8 sec. | Bell, hand, if diaphone is disabled. | USLHS Light List (Atlantic): 1245 |
| 1935 | USLHS Light List (Atlantic): 1515 | ||
| 1943 | DIAPHONE, air; blast 2 sec., silent 8 sec. | USCG Light List (Atlantic): 1972 | |
| 1945 | |||
| 1946-1947 | USCG Light List (Atlantic): 1970 | ||
| 1950-1952 | |||
| 1953-1955 | DIAPHONE: 1 blast ev 10s (2sbl). | USCG Light List - Vol. I-VI: 2259 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 2670 | ||
| 1961 | USCG Light List - Vol. I: 2670 | ||
| 1963 | |||
| 1965 | HORN, diaphragm; 1 blast ev 20s (2sbl). | None | |
| 1966 | USCG Light List - Vol. I: 2927 | ||
| 1969-1970 | HORN, diaphragm; 1 blast ev 30s (3sbl). | ||
| 1972 | |||
| 1973-1974 | HORN, 1 blast ev 30s (3sbl). | ||
| 1976 | HORN: 1 blast ev 30s (3sbl). | ||
| 1978 | |||
| 1982 | HORN: 1 blast ev 30s (3s bl). | ||
| 1987 | HORN: 1 blast ev 30s (3s bl). | USCG Light List - Vol. II: 4320 | |
| 1990-1992 | USCG Light List - Vol. II: 8450 | ||
| 1993-1996 | USCG Light List - Vol. II: 9310 | ||
| 2004 | HORN: 1 blast ev 30s (3s bl). Operates continuously. |
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1872 - Present (Coordinate for the 1914 lighthouse which was built right next to the location where the 1872 screwpile, 1880 screwpile, and temporary 1909 lights existed.) |