Fort Popham (Maine)
Historical Light List Characteristics
| 1905 | F R. | LHB Light List (Atlantic): 53 |
| 1908 | LHB Light List (Atlantic): 55 | |
| 1915 | F R. R7. | USLHS Light List (Atlantic): 63 |
| 1917 | USLHS Light List (Atlantic): 67 | |
| 1920 | ||
| 1927 | USLHS Light List (Atlantic): 69 | |
| 1931 | USLHS Light List (Atlantic): 68 | |
| 1935 | F G. G7. | |
| 1940 | Fl G 5s. G7. fl 1. | USCG Light List (Atlantic): 80 |
| 1943 | USCG Light List (Atlantic): 97 | |
| 1945-1947 | ||
| 1950-1952 | Fl G 5s. G11. fl 1. | USCG Light List (Atlantic): 97 |
| 1953-1955 | Fl G 5s. G10. fl 1. | USCG Light List - Vol. I-VI: 183 |
| 1957 | ||
| 1959-1960 | USCG Light List - Vol. I-V: 190 | |
| 1961 | USCG Light List - Vol. I: 190 | |
| 1963-1965 | ||
| 1966 | USCG Light List - Vol. I: 306 | |
| 1969-1970 | Fl G 4s. G10. | |
| 1971-1976 | Fl G 4s. | |
| 1977-1979 | Fl G 4s. G5. | |
| 1982 | ||
| 1987 | USCG Light List - Vol. I: 6270 | |
| 1990-1992 | USCG Light List - Vol. I: 5915 | |
| 1993-1996 | USCG Light List - Vol. I: 6050 | |
| 2004 |
Historical Light List Optics and Structures
| 1905 | Lens Lantern | N/A | 27 | White, square, pyramidal bell-tower, upper part inclosed, connected with the shore by a white, wooden bridge, 70 feet long. | LHB Light List (Atlantic): 53 |
| 1908 | LHB Light List (Atlantic): 55 | ||||
| 1915 | N/A | White; square, pyramidal bell tower; wooden bridge to shore. | USLHS Light List (Atlantic): 63 | ||
| 1917 | USLHS Light List (Atlantic): 67 | ||||
| 1920 | |||||
| 1927 | USLHS Light List (Atlantic): 69 | ||||
| 1931 | Ll o | White, square, pyramidal bell tower; wooden bridge to shore. | USLHS Light List (Atlantic): 68 | ||
| 1935 | Ll om | ||||
| 1940 | 200 mm e | White, square, bell tower; wooden bridge to shore. | USCG Light List (Atlantic): 80 | ||
| 1943 | USCG Light List (Atlantic): 97 | ||||
| 1945-1947 | |||||
| 1950-1952 | 200 mm e | N/A | 27 | Cylindrical iron stand. | USCG Light List (Atlantic): 97 |
| 1953-1955 | N/A | USCG Light List - Vol. I-VI: 183 | |||
| 1957 | |||||
| 1959-1960 | USCG Light List - Vol. I-V: 190 | ||||
| 1961 | USCG Light List - Vol. I: 190 | ||||
| 1963-1965 | |||||
| 1966 | USCG Light List - Vol. I: 306 | ||||
| 1969-1979 | |||||
| 1982 | |||||
| 1987 | Spindle. | USCG Light List - Vol. I: 6270 | |||
| 1990-1992 | USCG Light List - Vol. I: 5915 | ||||
| 1993-1996 | On spindle. | USCG Light List - Vol. I: 6050 | |||
| 2004 |
Historical Light List Audible Fog Signals
| 1905 | 1,000-pund bell struck by machinery every 15 sec. | None | LHB Light List (Atlantic): 53 |
| 1908 | LHB Light List (Atlantic): 55 | ||
| 1915 | 1,000-pound bell; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 63 | |
| 1917 | USLHS Light List (Atlantic): 67 | ||
| 1920 | |||
| 1927 | Bell (1,000-lb.); 1 stroke every 15 sec. | USLHS Light List (Atlantic): 69 | |
| 1931 | BELL; 1 stroke every 15 sec. | USLHS Light List (Atlantic): 68 | |
| 1935 | |||
| 1940 | BELL, electric; 1 stroke every 15 sec. | USCG Light List (Atlantic): 80 | |
| 1943 | USCG Light List (Atlantic): 97 | ||
| 1945-1947 | |||
| 1950 | None | ||
| 1951-1952 | BELL, electric; 1 stroke every 15 sec. | ||
| 1953-1955 | BELL: 1 stroke ev 15s. | USCG Light List - Vol. I-VI: 183 | |
| 1957 | |||
| 1959-1960 | USCG Light List - Vol. I-V: 190 | ||
| 1961 | USCG Light List - Vol. I: 190 | ||
| 1963-1965 | |||
| 1966 | USCG Light List - Vol. I: 306 | ||
| 1969-1972 | |||
| 1973-1979 | None | ||
| 1982 | |||
| 1987 | USCG Light List - Vol. I: 6270 | ||
| 1990-1992 | USCG Light List - Vol. I: 5915 | ||
| 1993-1996 | USCG Light List - Vol. I: 6050 | ||
| 2004 |
 |
1899 - Present (Exact location of current modern light. Location of original 1899 lighthouse is assumed to be somewhat close.) |