Wolf Trap (Virginia)
Historical Light List Characteristics
| 1878 | FFl W 30s. F11, Fl11. | LHB Light List (All Coasts): 287 |
| 1879 | LHB Light List (All Coasts): 291 | |
| 1886 | FFl W 30s. F111/2, Fl111/2. | LHB Light List (All Coasts): 335 |
| 1888 | LHB Light List (All Coasts): 352 | |
| 1893 | FFl WR 30s. F11.25. Fl11.25. White sector from N. 1/4 E. through eastward to S. 3/4 W. | LHB Light List (Atlantic): 449 |
| 1898 | FFl W 25s. F122/3, Fl122/3. | LHB Light List (Atlantic): 541 |
| 1899 | LHB Light List (Atlantic): 555 | |
| 1905 | LHB Light List (Atlantic): 638 | |
| 1908 | LHB Light List (Atlantic): 688 | |
| 1915 | Fl W 15s. W13. fl 1. | USLHS Light List (Atlantic): 917 |
| 1917 | USLHS Light List (Atlantic): 952 | |
| 1920 | USLHS Light List (Atlantic): 1000 | |
| 1927 | USLHS Light List (Atlantic): 1071 | |
| 1931 | Fl W 15s. W13. fl 0.5. | USLHS Light List (Atlantic): 1176 |
| 1935 | Fl W 15s. W13. fl 3. | USLHS Light List (Atlantic): 1440 |
| 1943 | USCG Light List (Atlantic): 1884 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 2049 | |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 2433 | |
| 1961 | USCG Light List - Vol. I: 2433 | |
| 1963 | ||
| 1965 | ||
| 1966 | USCG Light List - Vol. I: 2705 | |
| 1969-1970 | ||
| 1972 | ||
| 1973-1974 | Fl W 15s. W16. fl 3. | |
| 1976 | ||
| 1978 | ||
| 1982 | ||
| 1987 | Fl W 15s. W11. | USCG Light List - Vol. II: 2705 |
| 1990-1992 | USCG Light List - Vol. II: 6800 | |
| 1993-1996 | USCG Light List - Vol. II: 7255 | |
| 2004 | Fl W 15s. W14. |
Historical Light List Optics and Structures
| 1878 | 4th | N/A | 38 | A screw-pile light-house, placed in 121/2 feet water at mean low tide. The iron piles of the foundation are painted brown, and the superstructure, lead color; lantern, red. The light-house is hexagonal in plan, and stands on 14 piles. | LHB Light List (All Coasts): 287 |
| 1879 | A screw-pile light-house, placed in 121/2 feet water at mean low tide. The iron piles of the foundation are painted brown, and the superstructure lead color; lantern, red. The light-house is hexagonal in plan, and stands on 14 piles. | LHB Light List (All Coasts): 291 | |||
| 1886 | Hexagonal screw-pile structure, lead-color; piles, brown; lantern, red. Stands in 121/2 feet water. | LHB Light List (All Coasts): 335 | |||
| 1888 | White hexagonal screw-pile structure; piles, brown; lantern, black. Stands in 121/2 feet water. | LHB Light List (All Coasts): 352 | |||
| 1893 | 361/2 | White hexagonal screw-pile structure; piles, brown; lantern, black. Stands in 121/2 feet at mean low water. | LHB Light List (Atlantic): 449 | ||
| 1898 | 52 | Brown cylindrical foundation pier, expanding in trumpet shape at its upper end to form a gallery, surmounted by an octagonal red brick dwelling with a square tower; lantern, black. In 16 feet of water. | LHB Light List (Atlantic): 541 | ||
| 1899 | LHB Light List (Atlantic): 555 | ||||
| 1905 | Brown, cylindrical, foundation pier expanding in trumpet shape at its upper end to form a gallery, surmounted by an octagonal, red-brick dwelling with a square tower; lantern, black. In 16 feet of water. | LHB Light List (Atlantic): 638 | |||
| 1908 | Brown, cylindrical, foundation pier expanding in trumpet shape at its upper end to form a gallery, surmounted by an octagonal, red-brick dwelling with a square tower; black lantern. In 16 feet of water. | LHB Light List (Atlantic): 688 | |||
| 1915 | N/A | Octagonal, red-brick dwelling; square tower, brown cylinder. In 23/4 fathoms. | USLHS Light List (Atlantic): 917 | ||
| 1917 | Octagonal, red-brick dwelling; square tower; on brown cylinder. In 23/4 fathoms. | USLHS Light List (Atlantic): 952 | |||
| 1920 | USLHS Light List (Atlantic): 1000 | ||||
| 1927 | USLHS Light List (Atlantic): 1071 | ||||
| 1931 | 4 ei | Octagonal red-brick dwelling, square tower, on brown cylinder. In 16 feet. | USLHS Light List (Atlantic): 1176 | ||
| 1935 | USLHS Light List (Atlantic): 1440 | ||||
| 1943 | 4 e | USCG Light List (Atlantic): 1884 | |||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | Octagonal red brick dwelling, square tower on brown cylinder. In 16 feet. | USCG Light List - Vol. I-VI: 2049 | ||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 2433 | ||||
| 1961 | USCG Light List - Vol. I: 2433 | ||||
| 1963 | |||||
| 1965 | |||||
| 1966 | USCG Light List - Vol. I: 2705 | ||||
| 1969-1970 | |||||
| 1972-1974 | |||||
| 1976 | |||||
| 1978 | |||||
| 1982 | |||||
| 1987 | Octagonal red brick dwelling, square tower on brown cylinder. | USCG Light List - Vol. II: 2705 | |||
| 1990-1992 | USCG Light List - Vol. II: 6800 | ||||
| 1993-1996 | USCG Light List - Vol. II: 7255 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1878 | A bell, struck by machinery at intervals of 15 seconds. | A fog-horn will be sounded in case of accident to the bell-machinery. | LHB Light List (All Coasts): 287 |
| 1879 | LHB Light List (All Coasts): 291 | ||
| 1886 | Bell struck by machinery every 15 sec. | None | LHB Light List (All Coasts): 335 |
| 1888 | LHB Light List (All Coasts): 352 | ||
| 1893 | LHB Light List (Atlantic): 449 | ||
| 1898 | 2d-class Daboll trumpet; blasts 3 sec., silent intervals 7 sec. | If trumpet be disabled a bell will be rung by hand. | LHB Light List (Atlantic): 541 |
| 1899 | LHB Light List (Atlantic): 555 | ||
| 1905 | 3d-class Daboll trumpet; blasts 3 sec., silent intervals 7 sec. | LHB Light List (Atlantic): 638 | |
| 1908 | LHB Light List (Atlantic): 688 | ||
| 1915 | 3d-cl. reed horn: blast 3 sec., silent 7 sec. | Bell (hand) if horn is disabled. | USLHS Light List (Atlantic): 917 |
| 1917 | USLHS Light List (Atlantic): 952 | ||
| 1920 | USLHS Light List (Atlantic): 1000 | ||
| 1927 | USLHS Light List (Atlantic): 1071 | ||
| 1931 | DIAPHONE: Blast 3 sec., silent 7 sec. | Bell, hand, if diaphone is disabled. | USLHS Light List (Atlantic): 1176 |
| 1935 | USLHS Light List (Atlantic): 1440 | ||
| 1943 | DIAPHONE, air; blast 3 sec., silent 7 sec. | USCG Light List (Atlantic): 1884 | |
| 1945-1947 | |||
| 1950-1952 | |||
| 1953 | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | USCG Light List - Vol. I-VI: 2049 | |
| 1954-1955 | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | ||
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 2433 | ||
| 1961 | USCG Light List - Vol. I: 2433 | ||
| 1963 | HORN, diaphragm; 1 blast ev 10s (3sbl). | Bell, hand, if horn is disabled. | |
| 1965 | |||
| 1966 | USCG Light List - Vol. I: 2705 | ||
| 1969-1970 | HORN, diaphragm; 1 blast ev 10s (1sbl). | Bell, hand, if horn is inoperative. | |
| 1972-1974 | HORN, 1 blast ev 10s (1sbl). | None | |
| 1976 | HORN: 1 blast ev 10s (1sbl). | ||
| 1978 | |||
| 1982 | HORN: 1 blast ev 10s (1s bl). | ||
| 1987 | None | USCG Light List - Vol. II: 2705 | |
| 1990-1992 | USCG Light List - Vol. II: 6800 | ||
| 1993-1996 | USCG Light List - Vol. II: 7255 | ||
| 2004 |
Historical Light List Other Signals
| 1927 | None | USLHS Light List (Atlantic): 1071 |
| 1931 | USLHS Light List (Atlantic): 1176 | |
| 1935 | RADIOBEACON: Transmits gps. of   . |
USLHS Light List (Atlantic): 1440 |
| 1943 | RADIOBEACON: Transmits on 290 kc, groups of 2 dashes, 2 dots (). Antenna lead-in at center of tower. DISTANCE-FINDING STATION. |
USCG Light List (Atlantic): 1884 |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | RADIOBEACON: 290 kc (Code: ). Antenna at light tower. |
USCG Light List - Vol. I-VI: 2049 |
| 1957 | RADIOBEACON: 320 kc (Code: ). Antenna at light tower. |
|
| 1959-1960 | RADIOBEACON: 322 kc (Code: ). Antenna at light tower. |
USCG Light List - Vol. I-V: 2433 |
| 1961 | USCG Light List - Vol. I: 2433 | |
| 1963 | RADIOBEACON: Antenna at light tower. | |
| 1965 | ||
| 1966 | USCG Light List - Vol. I: 2705 | |
| 1969-1970 | ||
| 1972-1974 | ||
| 1976 | RBN: 304 kHz ()V. Antenna at light tower. |
|
| 1978 | RBN: 317 kHz ( ). Antenna at light tower. |
|
| 1982 | RBN: 317 kHz WO(). Antenna at light tower. |
|
| 1987 | None | USCG Light List - Vol. II: 2705 |
| 1990-1992 | USCG Light List - Vol. II: 6800 | |
| 1993-1996 | USCG Light List - Vol. II: 7255 | |
| 2004 |
 |
1870 - 1893 (Approximate location. Destroyed by an ice flow in 1893.) |
 |
1894 - Present |