Mary Island (Alaska)
Historical Light List Characteristics
Historical Light List Optics and Structures
1906 | 4th | 451/2 | 671/2 | Octagonal, one-story, wooden building, pyramidal roof, surmounted by an octagonal tower and a cyclindrical lantern with black roof. | LHB Light List (Dist. 12-13): 244 |
1911 | N/A | N/A | White. Octagonal tower on fog signal house. | USLHS Light List (16th-18th): N/A | |
1913 | 4 o | 67 | White. Octagonal tower on fog-signal house. | USLHS Light List (16th): N/A | |
1914 | N/A | 45 | White; octagonal tower on fog signal house. | USLHS Light List (Pacific): 544 | |
1930-1933 | 4 ei | 52 | White tower on octagonal building, black lantern. | USLHS Light List (Pacific): 1095 | |
1945 | 4 e | 61 | 76 | White square tower on white building, black lantern. | USCG Light List (Pacific): 2092 |
1950-1951 | |||||
1952-1960 | N/A | USCG Light List - Vol. I-V: 2315 | |||
1961-1963 | USCG Light List - Vol. III: 2315 | ||||
1964-1969 | USCG Light List - Vol. III: 2920 | ||||
1970-1974 | N/A | White square tower on white building. | |||
1975-1979 | USCG Light List - Vol. III: 2959 | ||||
1980-1983 | SG on white square tower on white building. | ||||
1984 | On white square tower on white building. | ||||
1985 | USCG Light List - Vol. VI: 2959 | ||||
1986 | USCG Light List - Vol. VI: 21940 | ||||
1988 | |||||
1990 | |||||
2004 |
Historical Light List Audible Fog Signals
1906 | Daboll trumpet; blasts 3 sec., alternate silent intervals of 3 and 21 sec. | None | LHB Light List (Dist. 12-13): 244 |
1911 | None | USLHS Light List (16th-18th): N/A | |
1913 | 3d-cl. reed horn: Blast 3 sec. Silent 3 sec. Blast 3 sec. Silent 21 sec. | USLHS Light List (16th): N/A | |
1914 | 3d-cl. reed horn; group of 2 blasts every 30 sec.: 1st blast 3 sec. Silent 3 sec. 2d blast 3 sec. Silent 21 sec. | USLHS Light List (Pacific): 544 | |
1930-1933 | HORN, 3d-cl. reed; gp. 2 blasts every 30 sec.; blast 3 sec., silent 3 sec., blast 3 sec., silent 21 sec. | USLHS Light List (Pacific): 1095 | |
1945 | DIAPHONE, air; group of 2 blasts every 30 sec.; blast 3 sec., silent 3 sec., blast 3 sec., silent 21 sec. | USCG Light List (Pacific): 2092 | |
1950-1951 | |||
1952-1953 | DIAPHONE: when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | USCG Light List - Vol. I-V: 2315 | |
1954-1960 | DIAPHONE: when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | ||
1961 | USCG Light List - Vol. III: 2315 | ||
1962 | DIAPHONE: gp of 2 blasts ev 30s (3sbl-3ssi-3sbl-21ssi). | ||
1963 | DIAPHONE, two-tone; gp of 2 blasts ev 30s (3sbl-3ssi-3sbl-21ssi). | ||
1964-1966 | HORN, diaphragm, gp of 2 blasts ev 30s (1.5sbl-2ssi-1.5sbl-25ssi). | USCG Light List - Vol. III: 2920 | |
1967 | HORN, diaphragm, gp of 2 blasts ev 30s (2.5sbl-2ssi-2.5sbl-24ssi). | ||
1968-1969 | HORN, diaphragm, 2 blasts ev 30s (2sbl-2ssi-2sbl-24ssi). | ||
1970-1972 | HORN, diaphragm; 1 blast ev 30s (3sbl). | ||
1973-1974 | None | ||
1975-1984 | USCG Light List - Vol. III: 2959 | ||
1985 | USCG Light List - Vol. VI: 2959 | ||
1986 | USCG Light List - Vol. VI: 21940 | ||
1988 | |||
1990 | |||
2004 |
Historical Light List Other Signals
1930-1931 | None | USLHS Light List (Pacific): 1095 |
1932-1933 | RADIOBEACON: Transmits gps. 1 dash 1 dot. | |
1945 | RADIOBEACON: Transmits on 298 kc, groups of dash, dot (![]() ![]() |
USCG Light List (Pacific): 2092 |
1950-1951 | RADIOBEACON: Transmits on 298 kc, groups of dash, dash (![]() ![]() |
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1952-1960 | RADIOBEACON: 298 kc (Code: ![]() ![]() |
USCG Light List - Vol. I-V: 2315 |
1961 | USCG Light List - Vol. III: 2315 | |
1962-1963 | RADIOBEACON: Antenna at light tower. | |
1964-1969 | USCG Light List - Vol. III: 2920 | |
1970-1974 | None | |
1975-1984 | USCG Light List - Vol. III: 2959 | |
1985 | USCG Light List - Vol. VI: 2959 | |
1986 | USCG Light List - Vol. VI: 21940 | |
1988 | ||
1990 | ||
2004 |
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1903 - Present (Approximate location of current 1937 lighthouse. Location of original 1903 lighthouse assumed to be very close.) |