SOUTH ACSTRALIA,
No. 18 of 1911.
GULF ST. VINCENT.
MARION REEF LIGHT.
REFERRING to Notice to Mariners No. 9 of 1899, masters of vessels and others are in- formed that on or about the 9th instant the unlighted black can buoy marking the Marion Reef will be removed, and the reef will be marked by a buoy painted black, from which will be exhibited a red fixed light, visible in clear weather for a distance of about five (5) miles. The new buoy will be moored in the position of the existing one, i.e., on the southern edge of the reef, about two and a half (24) miles south of the Troubridge Lighthouse.
Approximate position-Lat. 35° 10' S; Long. 137° 491′ E.
This affects Admiralty charts Nos. 2389a and 2152.
Marine Board Offices, Port Adelaide, August 4th, 1911.
ARTHUR SEARCY,
President of the Marine Board.
SOUTH AUSTRALIA.
No. 22 of 1911.
SPENCER GULF.
MIDDLE BANK LIGHTSHIP.
REFERRING to Notice to Mariners No. 20 of 1911, masters of vessels, pilots, and others are informed that the lightship will not at present be removed as stated therein. but that on or about the First Day of December, 1911, the fixed white light at present marking the Middle Bank will be replaced by a complex flashing light as follows:-
0-3 seconds light
darkness light
0.9
0.3
19
0.9
0:3 6.3
27
darkness
light darkness.
The light will be exhibited from an open iron structure, surrounded by timber piling, and will show all round the horizon. It will have a range of visibility of 10 miles in clear weather, and its focal plane will be 38ft. above ordinary sea level.
Approximate position-Lat. 33° 37' S.; long. 137° 33' E.
Marine Board Offices, Port Adelaide, September 6th, 1911.
ARTHUR SEARCY, President of the Marine Board.
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