;
43
Position. The Light Buoy is moored in 11 fathoms of water at a distance of about -mile East-south-east of Rooper Rock.
Lat 12° 04' S.; Long. 131° 11' E. on Chart No. 1095.
Description. A cylindrical Light Buoy with framework superstructure 15 feet high, painted red and numbered "3," exhibiting a group flashing white light, showing two flashes in quick succession every fifteen seconds, thus:-
Flash Eclipse
sec.
1 sec.
Flash
sec.
Eclipse 13 secs.
Elevation.-12 feet.
Power.-1,300 candles.
Visibility.-8 miles.
Note. The position of this buoy cannot be absolutely depended on, because it is liable to drift in the strong tidal currents experienced in this locality.
Charts affected.-
Admiralty Chart No. 1095
-Clarence Strait.
613
""
91
""
22
"
1044
21
Publications affected.-
-Melville Island and Dundas and Clarence Straits. Groote Eylandt to Cape Ford. 2759A-Australia, Northern portion.
Australia Pilot, Vol. V., 1914, pages 102 and 103.
1918. No. 31.
AUSTRALIA-NORTH COAST.
Van Diemen Gulf.
Howard Knoll.-Light Buoy established.
With reference to Notice No. 13 of 1918, Mariners and others are hereby notified that the Light Buoy showing a group flashing red light is now permanently established. Position.-The Light Buoy is moored in 11 fathoms of water at a distance of about 1 mile North-north-east of Howard Knoll.
Lat. 11° 59′ S.; Long 131° 18′ E. on Chart No. 1095.
Description.-A cylindrical Light Buoy with framework superstructure 15 feet high, painted black and numbered “2,” exhibiting a group flashing red light showing three flashes in quick succession every twenty-two and a-half seconds, thus:-
Eclipse Flash Eclipse
Flash
sec.
Elevation.-12 feet. Power.-600 candles.
Eclipse
1 sec.
Flash
sec.
1 sec.
sec.
19 secs.
Visibility.-8 miles.
Note. The position of this buoy cannot be absolutely depended on, because it is liable to drift in the strong tidal currents experienced in this locality.
Charts affected.-
Admiralty Chart No. 1095
Clarence Strait.
""
""
"
"
613
27
""
1044
-Melville Island and Dundas and Clarence Straits.
Groote Eylandt to Cape Ford.
2759A-Australia, Northern portion.
942B-Eastern Archipelago, Eastern portion, part 2.