Tree Point (Alaska)
Historical Light List Characteristics
| 1906 | F W. W15. Obscured eastward of NNW 3/8 W and SE 3/4 E. | LHB Light List (Dist. 12-13): 243 |
| 1911 | F WR. W15, R15. R3151/2°-3261/2°(11°), W3261/2°-1553/4°(1891/4°). | USLHS Light List (16th-18th): N/A |
| 1913 | F WR. W15, R15. R316°-327°(11°), W327°-156°(189°). | USLHS Light List (16th): N/A |
| 1914 | F WR. W15, R13. R316°-327°(11°), W327°-156°(189°). | USLHS Light List (Pacific): 543 |
| 1930-1933 | Fl WR 6s. W15, R15. fl 1. R318°-327°(9°), W327°-158°(191°). | USLHS Light List (Pacific): 1090 |
| 1945 | Fl W 6s. W15. fl 1. Obscured 158°-318°(160°). | USCG Light List (Pacific): 2088 |
| 1950-1951 | ||
| 1952-1960 | USCG Light List - Vol. I-V: 2312 | |
| 1961-1963 | USCG Light List - Vol. III: 2312 | |
| 1964-1970 | Fl W 2.5s. W15. Obscured 158°-318°(160°). | USCG Light List - Vol. III: 2901 |
| 1971-1972 | Fl W 6s. W15. fl 1. Obscured 158°-318°(160°). | |
| 1973-1974 | Fl W 6s. W9. fl 1. Obscured 158°-318°(160°). | |
| 1975-1984 | Fl W 6s. W9. Obscured 158°-318°(160°). | USCG Light List - Vol. III: 2943 |
| 1985 | USCG Light List - Vol. VI: 2943 | |
| 1986 | USCG Light List - Vol. VI: 21840 | |
| 1988 | ||
| 1990 | ||
| 2004 |
Historical Light List Optics and Structures
| 1906 | 3rd | 561/2 | 861/2 | White octagonal, one-story, wooden building, pyramidal brown roof, surmounted by a white octagonal tower and a gray cylindrical lantern with black roof. | LHB Light List (Dist. 12-13): 243 |
| 1911 | N/A | N/A | White; gray lantern with black roof. Octagonal tower on wooden building. | USLHS Light List (16th-18th): N/A | |
| 1913 | 3 o | 86 | USLHS Light List (16th): N/A | ||
| 1914 | N/A | 56 | White; octagonal tower on wooden building; gray lantern. | USLHS Light List (Pacific): 543 | |
| 1930-1933 | 4 iov | 66 | White tower on octagonal building. | USLHS Light List (Pacific): 1090 | |
| 1945 | 4 e | White square tower on building. | USCG Light List (Pacific): 2088 | ||
| 1950-1951 | |||||
| 1952-1960 | N/A | USCG Light List - Vol. I-V: 2312 | |||
| 1961-1963 | USCG Light List - Vol. III: 2312 | ||||
| 1964-1974 | USCG Light List - Vol. III: 2901 | ||||
| 1975-1979 | USCG Light List - Vol. III: 2943 | ||||
| 1980-1983 | TR on white square tower on building. | ||||
| 1984 | White square tower on building. | ||||
| 1985 | USCG Light List - Vol. VI: 2943 | ||||
| 1986 | USCG Light List - Vol. VI: 21840 | ||||
| 1988 | |||||
| 1990 | |||||
| 2004 | N/A |
Historical Light List Audible Fog Signals
| 1906 | First-class, compressed-air, automatic siren; blasts 3 sec., silent intervals 27 sec. | None | LHB Light List (Dist. 12-13): 243 |
| 1911 | None | USLHS Light List (16th-18th): N/A | |
| 1913 | 1st-cl. air siren: Blast 3 sec. Silent 27 sec. | USLHS Light List (16th): N/A | |
| 1914 | USLHS Light List (Pacific): 543 | ||
| 1930-1933 | SIREN, 1st-cl. air: Blast 3 sec., silent 27 sec. | USLHS Light List (Pacific): 1090 | |
| 1945 | DIAPHONE, two-tone, air; blast 4 sec., silent 26 sec. | USCG Light List (Pacific): 2088 | |
| 1950-1951 | |||
| 1952-1953 | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | USCG Light List - Vol. I-V: 2312 | |
| 1954-1960 | DIAPHONE, two-tone; when operating, is synchronized with radiobeacon ev 3 minutes for distance finding. | ||
| 1961 | USCG Light List - Vol. III: 2312 | ||
| 1962-1963 | DIAPHONE, two-tone; 1 blast ev 30s (4sbl). | ||
| 1964-1970 | HORN, diaphragm; 1 blast ev 30s (3sbl). | USCG Light List - Vol. III: 2901 | |
| 1971-1974 | None | ||
| 1975-1984 | USCG Light List - Vol. III: 2943 | ||
| 1985 | USCG Light List - Vol. VI: 2943 | ||
| 1986 | USCG Light List - Vol. VI: 21840 | ||
| 1988 | |||
| 1990 | |||
| 2004 |
Historical Light List Other Signals
| 1930-1933 | None | USLHS Light List (Pacific): 1090 |
| 1945 | RADIOBEACON: Transmits on 294 kc., groups of 1 dot, 2 dashes and 1 dot (  ). Antenna lead-in at light tower. DISTANCE-FINDING STATION. |
USCG Light List (Pacific): 2088 |
| 1950-1951 | RADIOBEACON: Transmits on 294 kc., groups of 1 dot, 2 dashes and 1 dot (). Antenna lead-in at light tower. DISTANCE-FINDING STATION. |
|
| 1952-1960 | RADIOBEACON: 294 kc (Code: ). Antenna at light tower. |
USCG Light List - Vol. I-V: 2312 |
| 1961 | USCG Light List - Vol. III: 2312 | |
| 1962-1963 | RADIOBEACON: Antenna at light tower. | |
| 1964-1970 | USCG Light List - Vol. III: 2901 | |
| 1971-1974 | None | |
| 1975-1984 | USCG Light List - Vol. III: 2943 | |
| 1985 | USCG Light List - Vol. VI: 2943 | |
| 1986 | USCG Light List - Vol. VI: 21840 | |
| 1988 | ||
| 1990 | ||
| 2004 |
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1903 - 1934 (Approximate location of original lighthouse that was located just north of the current 1935 lighthouse.) |
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1935 - Present (Approximate location of current 1935 lighthouse.) |