Mary Island (Alaska)

Historical Light List Characteristics

1906 F WR. W133/4, R133/4. Red sector between SE by 5/16 E and SE 1/4 E. Obstructed 90 degrees. LHB Light List (Dist. 12-13): 244
1911 F WR. W14, R14. W142°-1491/3°(71/3°), R1491/3°-1602/3°(11.34°), W1602/3°-341°(1801/3°). USLHS Light List (16th-18th): N/A
1913 F WR. W12, R12. W142°-153°(11°), R153°-165°(12°), W165°-341°(176°). USLHS Light List (16th): N/A
1914 F WR. W12, R8. W142°-153°(11°), R153°-165°(12°), W165°-341°(176°). USLHS Light List (Pacific): 544
1930-1933 Fl(2) WR 5s. W14, R14. fl 0.4, ec 0.2, fl 0.4, ec 4. R149°-165°(16°), W165°-3421/2°(1771/2°). USLHS Light List (Pacific): 1095
1945 Fl(2) WR 10s. W14, R14. fl 1, ec 1, fl 1, ec 7. R149°-165°(16°), W165°-344°(179°). USCG Light List (Pacific): 2092
1950-1951
1952-1960 USCG Light List - Vol. I-V: 2315
1961-1963 USCG Light List - Vol. III: 2315
1964-1969 USCG Light List - Vol. III: 2920
1970-1972 Fl W 6s. W14. fl 1. Obscured 344°-149°(165°).
1973-1974 Fl W 6s. W10. Obscured 344°-149°(165°).
1975-1976 USCG Light List - Vol. III: 2959
1977-1979 Fl W 6s. W10. Obscured 341°-150°(169°).
1980-1984 Fl W 6s. W6. Obscured 341°-150°(169°).
1985 USCG Light List - Vol. VI: 2959
1986 USCG Light List - Vol. VI: 21940
1988
1990
2004

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 (). Antenna lead-in at light tower. DISTANCE-FINDING STATION. USCG Light List (Pacific): 2092
1950-1951 RADIOBEACON: Transmits on 298 kc, groups of dash, dash (). Antenna lead-in at light tower. DISTANCE-FINDING STATION.
1952-1960 RADIOBEACON: 298 kc (Code: ). Antenna at light tower. 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
1903 - Present (Approximate location of current 1937 lighthouse. Location of original 1903 lighthouse assumed to be very close.)