Portland Head (Maine)
Historical Light List Characteristics
| 1839 | F W. | USLHE Light List (US): 1 |
| 1849 | F W. W19. | |
| 1858 | F W. W141/2. | LHB Light List (US): 43 |
| 1860 | LHB Light List (US): 37 | |
| 1865-1866 | F W. W17. | LHB Light List (All Coasts): 37 |
| 1868 | ||
| 1870 | F W. W15. | LHB Light List (All Coasts): 38 |
| 1878-1879 | LHB Light List (All Coasts): 48 | |
| 1886 | F W. W153/4. | LHB Light List (All Coasts): 47 |
| 1888 | LHB Light List (All Coasts): 49 | |
| 1893 | LHB Light List (Atlantic): 56 | |
| 1898 | LHB Light List (Atlantic): 63 | |
| 1899 | LHB Light List (Atlantic): 64 | |
| 1905 | LHB Light List (Atlantic): 69 | |
| 1908 | LHB Light List (Atlantic): 71 | |
| 1915 | F W. W16. | USLHS Light List (Atlantic): 81 |
| 1917 | USLHS Light List (Atlantic): 85 | |
| 1920 | ||
| 1927 | USLHS Light List (Atlantic): 88 | |
| 1931 | Iso W 4s. W16. | USLHS Light List (Atlantic): 89 |
| 1935 | ||
| 1940 | USCG Light List (Atlantic): 100 | |
| 1943 | USCG Light List (Atlantic): 129 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953-1955 | USCG Light List - Vol. I-VI: 211 | |
| 1957 | ||
| 1959-1960 | Fl W 3.75s. W16. fl 1.5. | USCG Light List - Vol. I-V: 224 |
| 1961 | USCG Light List - Vol. I: 224 | |
| 1963-1965 | ||
| 1966 | Fl W 3.7s. W16. fl 1.5. | USCG Light List - Vol. I: 342 |
| 1969-1972 | ||
| 1973-1979 | Fl W 3.7s. W22. fl 1.5. | |
| 1982 | Fl W 3.7s. W22. | |
| 1987 | USCG Light List - Vol. I: 7775 | |
| 1990-1992 | Fl W 4s. W24. | USCG Light List - Vol. I: 7420 |
| 1993-1996 | USCG Light List - Vol. I: 7565 | |
| 2004 |
Historical Light List Optics and Structures
| 1839 | 15 Lamps / 16" Refl. | 45 | 80 | N/A | USLHE Light List (US): 1 |
| 1849 | |||||
| 1858 | 4th | 49 | 81 | LHB Light List (US): 43 | |
| 1860 | LHB Light List (US): 37 | ||||
| 1865 | 2nd | 101 | LHB Light List (All Coasts): 37 | ||
| 1866 | 69 | ||||
| 1868 | |||||
| 1870 | The bell-tower is a white pyramid, 15 feet at base and 30 feet high, standing at the east side of the light-tower. Dwelling, a story and one-half stone building, whitewashed, connected with tower by wooden porch. Tower of stone and brick, whitewashed. | LHB Light List (All Coasts): 38 | |||
| 1878-1879 | Tower of stone and brick, connected with a one and a half story stone dwelling by a wooden porch, all whitewashed. Fog-signal house near the tower, to the northward, whitewashed. Bell-tower, a pyramid 30 feet high, on east side of tower, painted white. | LHB Light List (All Coasts): 48 | |||
| 1886 | White tower and dwelling, connected by a porch. White fog-signal house near the tower to the eastward and red brick oil house about 100 feet to westward. | LHB Light List (All Coasts): 47 | |||
| 1888 | LHB Light List (All Coasts): 49 | ||||
| 1893 | LHB Light List (Atlantic): 56 | ||||
| 1898 | LHB Light List (Atlantic): 63 | ||||
| 1899 | LHB Light List (Atlantic): 64 | ||||
| 1905 | White tower and dwelling, connected by a porch. White fog-signal house near the tower to the eastward and red-brick oilhouse about 100 feet to westward. | LHB Light List (Atlantic): 69 | |||
| 1908 | White tower and dwelling, connected by a porch; white fog-signal house near tower to the E'd and red-brick oilhouse about 100 feet to W'd. | LHB Light List (Atlantic): 71 | |||
| 1915 | N/A | White; conical tower connected to dwelling. | USLHS Light List (Atlantic): 81 | ||
| 1917 | 80 | USLHS Light List (Atlantic): 85 | |||
| 1920 | |||||
| 1927 | USLHS Light List (Atlantic): 88 | ||||
| 1931 | 2 ei | White conical tower connected to dwelling. | USLHS Light List (Atlantic): 89 | ||
| 1935 | |||||
| 1940 | 2 e | USCG Light List (Atlantic): 100 | |||
| 1943 | USCG Light List (Atlantic): 129 | ||||
| 1945-1947 | |||||
| 1950-1952 | |||||
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 211 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 224 | ||||
| 1961 | USCG Light List - Vol. I: 224 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 342 | ||||
| 1969-1973 | |||||
| 1974-1979 | White conical tower connected dwelling. | ||||
| 1982 | |||||
| 1987 | White conical tower, connected dwelling. | USCG Light List - Vol. I: 7775 | |||
| 1990-1992 | USCG Light List - Vol. I: 7420 | ||||
| 1993-1996 | USCG Light List - Vol. I: 7565 | ||||
| 2004 |
Historical Light List Audible Fog Signals
| 1858 | Fog-bell | None | LHB Light List (US): 43 |
| 1860 | LHB Light List (US): 37 | ||
| 1865-1866 | Fog-bell struck by machinery. | LHB Light List (All Coasts): 37 | |
| 1868 | |||
| 1870 | A bell struck by machinery. | LHB Light List (All Coasts): 38 | |
| 1878 | LHB Light List (All Coasts): 48 | ||
| 1879 | A 2d-class Daboll's air-trumpet, in duplicate, giving blasts of 8 seconds at intervals of 40 seconds. | ||
| 1886 | 2d-class Daboll trumpet; blasts 8 sec., intervals 40 sec. If Daboll trumpet be disabled, a bell will be struck by hand. | LHB Light List (All Coasts): 47 | |
| 1888 | 2d-class Daboll trumpet; blasts 8 sec., intervals 40 sec. | If Daboll trumpet be disabled, a bell will be struck by hand. | LHB Light List (All Coasts): 49 |
| 1893 | 2d-class Daboll trumpet; blasts 8 sec., silent intervals 40 sec. | LHB Light List (Atlantic): 56 | |
| 1898 | 2d-class Daboll trumpet; blasts 2 sec., silent intervals 13 sec. | LHB Light List (Atlantic): 63 | |
| 1899 | 2d-class Daboll trumpet; blasts 5 sec., silent intervals 15 sec. | LHB Light List (Atlantic): 64 | |
| 1905 | 2d-class steam siren; blasts 5 sec., silent intervals 15 sec. | If trumpet be disabled, a bell will be struck by hand. | LHB Light List (Atlantic): 69 |
| 1908 | 1st-class Daboll trumpet; blasts 5 sec., silent intervals 15 sec. | If trumpets be disabled, a bell will be struck by hand. | LHB Light List (Atlantic): 71 |
| 1915 | 1st-cl. reed horn: blast 5 sec., silent 15 sec. | Bell (hand) if horn is disabled. | USLHS Light List (Atlantic): 81 |
| 1917 | USLHS Light List (Atlantic): 85 | ||
| 1920 | |||
| 1927 | Bell (1,200-lb.) if horn is disabled. | USLHS Light List (Atlantic): 88 | |
| 1931 | HORN, 1st-cl. reed: blast 5 sec., silent 15 sec. | Bell if horn disabled. | USLHS Light List (Atlantic): 89 |
| 1935 | |||
| 1940 | HORN, diaphragm, chime, air; blast 4 sec., silent 16 sec. | Reed horn if diaphragm horn disabled. | USCG Light List (Atlantic): 100 |
| 1943 | USCG Light List (Atlantic): 129 | ||
| 1945-1947 | |||
| 1950-1952 | None | ||
| 1953-1955 | HORN, diaphragm, chime: 1 blast ev 20s (4sbl). | USCG Light List - Vol. I-VI: 211 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 224 | ||
| 1961 | USCG Light List - Vol. I: 224 | ||
| 1963-1965 | |||
| 1966 | HORN, diaphragm, chime; 1 blast ev 20s (4sbl). | USCG Light List - Vol. I: 342 | |
| 1969-1970 | |||
| 1971-1972 | HORN, diaphragm; 1 blast ev 15s (2sbl). | ||
| 1973-1975 | HORN, 1 blast ev 15s (2sbl). | ||
| 1976-1979 | HORN: 1 blast ev 15s (2sbl). | ||
| 1982 | HORN: 1 blast ev 15s (2s bl). | ||
| 1987 | HORN: 1 blast ev 15s (2s bl). | USCG Light List - Vol. I: 7775 | |
| 1990-1992 | USCG Light List - Vol. I: 7420 | ||
| 1993-1996 | USCG Light List - Vol. I: 7565 | ||
| 2004 | HORN: 1 blast ev 15s (2s bl). |
Historical Light List Other Signals
| 1927 | None | USLHS Light List (Atlantic): 88 |
| 1931 | USLHS Light List (Atlantic): 89 | |
| 1935 | ||
| 1940 | USCG Light List (Atlantic): 100 | |
| 1943 | USCG Light List (Atlantic): 129 | |
| 1945-1947 | ||
| 1950-1952 | ||
| 1953 | USCG Light List - Vol. I-VI: 211 | |
| 1954 | Special Radio Direction Finder Calibration Service (304 and 480 kHz, A3    ). |
|
| 1955 | Special Radio Direction Finder Calibration Service (296 and 480 kHz, A3 ). |
|
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 224 | |
| 1961 | USCG Light List - Vol. I: 224 | |
| 1963 | ||
| 1964-1965 | Special Radio Direction Finder Calibration Service (296 and 480 kHz, ). |
|
| 1966 | Special Radio Direction Finder Calibration Service (294 and 480 kHz, ). |
USCG Light List - Vol. I: 342 |
| 1969-1975 | ||
| 1976-1979 | None | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 7775 | |
| 1990-1992 | USCG Light List - Vol. I: 7420 | |
| 1993-1996 | USCG Light List - Vol. I: 7565 | |
| 2004 |
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1791 - Present |
