No. S. 331.
521
NOTICES TO MARINERS.
SPECIAL NOTICE TO MARINERSs, No. 546.
CHINA SEA.
CHINKIANG DISTRICT.
Yangtze River-Kiushan Point (Round) Channel Shoaling.
Pitman-King Channel to be marked for Night Navigation.
NOTICE is hereby given that a recent survey of the channels around the Cooper Bank, Yangtze River, shows that the Kiushan Point (Round) Channel has shoaled to 18 feet in the vicinity of Kiushan Point, and also that this channel in general is unsuitable for deep-draught navigation. In the Pitman-King Channel a least depth of 23 feet was found on the Pitman-King Crossing at the western entrance to the channel.
As the Pitman-King Channel now carries the greatest through depth and is more suited and direct for navigation, it is intended that on or about the 28th October, 1919, the following alterations will be made in the marking of this channel so as to make it suitable for navigation by day and night-
The Kiushan Bank Beacon will be discontinued.
A Light-beacon, to be known as the Pitman Beacon, will be established on the northern coast of Pitman-King Island, to mark a point where vessels make or leave the steep-to coast of the island when navigating between the south-western end of Kiushan Bank and the shoal off the northerly point of Pitman-King Island. This Beacon, which will be situated about 24 miles N. 32° W. of Pitman-King Surveying-beacon, will exhibit two white unclassed lights hoisted vertically and 6 feet apart.
The Cooper Bank Light-boat will be moved about 2 cables S. 16° W. from its present position, and will then mark the south-eastern extremity of the Cooper Bank. Its characteristics will not be changed.
A Light-beacon, to be known as the Channel Beacon, will be established on the western point of Pitman-King Island. This Beacon, which will be a pole surmounted by a black spherical daymark, will exhibit a Seventh Order Fixed white Light.
The Pitman-King Crossing Upper and Lower Buoys will be discontinued. A Light-boat, to be known as the Crossing Light-boat, will be moored in about 19 feet of water on the southern side of the Pitman-King Crossing. This Light-boat will exhibit two white unclassed lights hoisted vertically and 6 feet apart.
A red and black vertically striped Buoy, to be known as the Spit Buoy, will be moored off the western end of the spit on the northern side of the Pitman- King Crossing.
The Big Tree Light-boat will be moved about 12 miles $. 45° W. from its pre- sent position. It will be then be moored in about 48 feet of water on the southern side of the channel in the western approach to the Pitman- King Crossing, its characteristics remaining unchanged.
CAUTION.
Until the above alterations have been made vessels navigating the Kiushan Point (Round) Channel should proceed with great caution.
All bearings given are magnetic, and depths are those of low water of extraordinary spring tides.
T. J. ELDRIDGE,
Coast Inspector.
COAST INSPECTOR'S OFFICE,
SHANGHAI, 17th October, 1919.
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