Delaware Breakwater East End (Delaware)
Historical Light List Characteristics
| 1886 | F WR. W131/2, R131/2. Red sector from W. 1/2 S. around by the southward to E.S.E. 1/2 E., (from seaward); white throughout the remaining arc. | LHB Light List (All Coasts): 267 |
| 1888 | LHB Light List (All Coasts): 277 | |
| 1893 | LHB Light List (Atlantic): 368 | |
| 1898 | F WR. W131/4, R131/4. Red sector to the southward of W. 1/4 S. and ESE. 1/2 E.; white throughout the remaining sector. | LHB Light List (Atlantic): 446 |
| 1899 | LHB Light List (Atlantic): 458 | |
| 1905 | LHB Light List (Atlantic): 495 | |
| 1908 | LHB Light List (Atlantic): 529 | |
| 1915 | Iso WR 5s. W13, R13. W101°-262°(161°), R262°-101°(199°). | USLHS Light List (Atlantic): 669 |
| 1917 | USLHS Light List (Atlantic): 684 | |
| 1920 | Iso WR 5s. W13, R13. W101°-2481/2°(1471/2°), R2481/2°-101°(2121/2°). | USLHS Light List (Atlantic): 709 |
| 1927 | Iso WR 5s. W13, R13. W101°-240°(139°), R240°-101°(221°). | USLHS Light List (Atlantic): 756 |
| 1931 | Iso WR 5s. W13, R13. W098°-262°(164°), R262°-098°(196°). | USLHS Light List (Atlantic): 951 |
| 1935 | USLHS Light List (Atlantic): 1125 | |
| 1940 | USCG Light List (Atlantic): 1136 | |
| 1943 | USCG Light List (Atlantic): 1505 | |
| 1945 | ||
| 1946-1947 | Iso WR 5s. W13, R13. W098°-245°(147°), R245°-098°(213°). | |
| 1950-1952 | ||
| 1953-1955 | Iso WR 5s. W098°-221°(123°), R221°-098°(237°). | USCG Light List - Vol. I-VI: 1690 |
| 1957 | Iso WR 5s. W098°-2121/2°(1141/2°), R2121/2°-098°(2451/2°). | |
| 1959-1960 | USCG Light List - Vol. I-V: 1812 | |
| 1961 | USCG Light List - Vol. I: 1812 | |
| 1963-1965 | Iso WR 5s. W098°-202°(104°), R202°-098°(256°). | |
| 1966 | Iso WR 5s. W13, R13. W098°-202°(104°), R202°-098°(256°). | USCG Light List - Vol. I: 2139 |
| 1969-1972 | ||
| 1973-1978 | Iso WR 5s. W13, R10. W098°-202°(104°), R202°-098°(256°). | |
| 1979 | Iso WR 6s. W6, R4. W098°-202°(104°), R202°-098°(256°). | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 38410 | |
| 1990-1992 | USCG Light List - Vol. II: 1800 | |
| 1993-1994 | USCG Light List - Vol. II: 2025 |
Historical Light List Optics and Structures
| 1886 | 4th | 51 | 65 | Brown iron tower, surmounted by a black lantern. | LHB Light List (All Coasts): 267 |
| 1888 | LHB Light List (All Coasts): 277 | ||||
| 1893 | Brown conical tower, surmounted by black lantern. | LHB Light List (Atlantic): 368 | |||
| 1898 | 601/2 | LHB Light List (Atlantic): 446 | |||
| 1899 | N/A | LHB Light List (Atlantic): 458 | |||
| 1905 | 4th | Brown conical tower surmounted by black lantern. | LHB Light List (Atlantic): 495 | ||
| 1908 | Brown conical tower; black lantern; white foundation. | LHB Light List (Atlantic): 529 | |||
| 1915 | N/A | 56 | 61 | Brown, conical tower; white pier. | USLHS Light List (Atlantic): 669 |
| 1917 | Brown conical tower; white pier. | USLHS Light List (Atlantic): 684 | |||
| 1920 | USLHS Light List (Atlantic): 709 | ||||
| 1927 | USLHS Light List (Atlantic): 756 | ||||
| 1931 | 4 iov | Brown conical tower, white pier. | USLHS Light List (Atlantic): 951 | ||
| 1935 | 4 ei | USLHS Light List (Atlantic): 1125 | |||
| 1940 | 4 e | USCG Light List (Atlantic): 1136 | |||
| 1943 | 500 mm e | USCG Light List (Atlantic): 1505 | |||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 1690 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 1812 | ||||
| 1961 | USCG Light List - Vol. I: 1812 | ||||
| 1963 | |||||
| 1964-1965 | Brown conical tower, white [pier]. | ||||
| 1966 | Brown conical tower, white pier. | USCG Light List - Vol. I: 2139 | |||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | USCG Light List - Vol. I: 38410 | ||||
| 1990-1992 | USCG Light List - Vol. II: 1800 | ||||
| 1993-1994 | USCG Light List - Vol. II: 2025 |
Historical Light List Audible Fog Signals
| 1886 | Daboll trumpet; blasts 12 sec., intervals 50 sec. | None | LHB Light List (All Coasts): 267 |
| 1888 | LHB Light List (All Coasts): 277 | ||
| 1893 | 2nd-class Daboll trumpet; blasts 12 sec., silent intervals 50 sec. | LHB Light List (Atlantic): 368 | |
| 1898 | 2nd-class Daboll trumpet; blasts 3 sec., silent intervals, 27 sec. | LHB Light List (Atlantic): 446 | |
| 1899 | None | LHB Light List (Atlantic): 458 | |
| 1905 | 2nd-class Daboll trumpet; blasts 2 sec., silent intervals 13 sec. | If trumpet be disabled a 2,000-pound bell will be struck by hand at intervals of about 10 sec. | LHB Light List (Atlantic): 495 |
| 1908 | 3d-class Daboll trumpet; blasts 2 sec., silent intervals 13 sec. | If trumpet be disabled a 700-pound bell will be struck by hand at intervals of about 10 sec. | LHB Light List (Atlantic): 529 |
| 1915 | 3d-cl. reed horn: blast 2 sec., silent 13 sec. Bell (hand) if horn is disabled; 1 stroke every 10 sec. | None | USLHS Light List (Atlantic): 669 |
| 1917 | 3d-cl. reed horn: blast 2 sec., silent 13 sec. | Bell (hand) if horn is disabled; 1 stroke every 10 sec. | USLHS Light List (Atlantic): 684 |
| 1920 | USLHS Light List (Atlantic): 709 | ||
| 1927 | USLHS Light List (Atlantic): 756 | ||
| 1931 | HORN, 3d-cl. reed: blast 2 sec., silent 13 sec. | Bell, hand, if horn is disabled; 1 stroke every 10 sec. | USLHS Light List (Atlantic): 951 |
| 1935 | HORN, 2d-cl. reed: blast 2 sec., silent 13 sec. | USLHS Light List (Atlantic): 1125 | |
| 1940 | USCG Light List (Atlantic): 1136 | ||
| 1943 | HORN, air; blast 2 sec., silent 13 sec. | USCG Light List (Atlantic): 1505 | |
| 1945-1947 | |||
| 1950 | |||
| 1951-1952 | SIREN, electric; blast 4 sec., silent 11 sec. | None | |
| 1953-1955 | SIREN: 1 blast ev 15s (4sbl). | USCG Light List - Vol. I-VI: 1690 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 1812 | ||
| 1961 | USCG Light List - Vol. I: 1812 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 2139 | ||
| 1969-1973 | SIREN: 1 blast ev 15s (2sbl). | ||
| 1974-1979 | HORN: 1 blast ev 10s (1sbl). | ||
| 1982 | None | ||
| 1987 | USCG Light List - Vol. I: 38410 | ||
| 1990-1992 | USCG Light List - Vol. II: 1800 | ||
| 1993-1994 | USCG Light List - Vol. II: 2025 |
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1885 - 1996 |