Y
1020 THE HONGKONG GOVERNMENT GAZETTE, 19TH NOVEMBER, 1881.
Loembong rock.1-The beacon formerly marking the position of this rock has been replaced by a black buoy with staff and ball.
Ontong Java reef.-The beacon formerly marking the northern extremity of the Ontong Java reef has been re- placed by a white buoy with staff and ball.
Tanda Goenong reef, having over it 33 fathoms, lies N.E. E. from Dapoer islet, distant one mile, and south- west of this shoal, at the distance of 328 yards, there is another reef, also of small extent, the depth over which is 3 fathoms,
Time ball. That which is dropped at the observatory of Batavia is half expanded on top of a staff at 11h. 55m., fully expanded at 11h. 58m., and collapses at 12h. (noon) mean time of Batavia, corresponding to 16h. 52m. 47s. 5 Green- wich mean time.
BATAVIA.-Buoyage.3-The black buoy which formerly marked the position of Karang Soemba, situated 13 miles north-eastward of the Serassa rock, has been replaced by a beacon buoy painted with two black and two white horizontal bands.
On the south-west side of Purmerend or Yalan reef a black buoy has been placed in about 7 fathoms of water. Also, beacon buoys painted with black and white horizontal bands have replaced the following:-
(1.) The black buoy on the north side of the Amstel shoal, a quarter of a mile eastward of Leiden.
(2.) The white buoy which marked the rock situated one mile eastward of Vader Smit (Karang Timor). (3.) The black buoy on the south-east side of Neptunus shoal.
(4.) The black buoy on the north side of Pas-op rock.
The white buoy on the north-east side of Vader Smit (Karang Timor) has been replaced by a black beacon buoy. The stake beacon of Loembong rock has been replaced by a black beacon buoy; from it,
N.W. extreme of Little Kombuys bears N. 50° E.
South extreme of Great Kombuys island bears N. 63° W. South extreme of Menschen Eter bears S. 84° W.
The stake on the reef upon the south-east side of Kuiper island, north-east of the white buoy on Kuiper rock, has been carrid away, and is not replaced by any other mark.
4
SUNDA STRAIT, -Bantam bay. The wreck of an iron ship, sunk in 3 fathoms, with the bowsprit show- ing above the water, is situated in the north-east entrance to Bantam bay, in latitude 5° 55′ S., longitude 106° 15′ E.
The position of this obstruction to navigation was to be marked, by having a tree, surmounted by a basket ball con- structed of cane, attached to the bowsprit.
OMBAY PASSAGE. Current.-Captain C. C. Trehu of the ship Mikado reports that there is scarcely any current under the islands on the northern side of the Ombay passage, 5 and recommends, that a vessel should keep under the land on the north side of the passage, making short tacks if the wind be foul.
SOURABAYA. -East Channel.-A Pilot Vessel painted gray, with three masts, has been anchored S.E. by E. 14 miles from the black outer buoy in the east channel to Sourabaya, from which vessel, pilots can be obtained, the former pilot station having been discontinued.
By day, the vessel carries at the main, a pilot flag, coloured blue, with a large letter S on it, coloured white; and by night, on the foreyard, two lanterns placed horizontally and showing white lights.
Commanders are requested to manœuvre their vessels so as to facilitate the embarking and disembarking of the pilots.
Hydrographie Office, Admiralty, London, 25th June, 1881,
Nav. Lieut. G. W. Balliston, H.M.S. Comus, April 1880.
2 Notice to Mariners No. 157 of 1880.
Berigh aan Zeevarenden, No. 52, the Hague, 25th December 1880. ›
4 Berigh aan Zeevarenden, the Hague, No. 39 of 25th September 1880. See Admiralty chart of Sunda strait and its approaches No. 2056.
• See Admiralty chart No. 942A Eastern archipelago, eastern portion.
See Admiralty chart of Eastern Archipelago (Sheet 2) No. 941B.
The information contained in this Notice is to be carefully considered, to be noted in the Sailing Directions, and compared with the chart when the ship is navigating the parts to which it refers.
HYDROGRAPHIC NOTICE.
[No. 22.]
EASTERN ARCHIPELAGO.
NOTICE NO. 21.
The following information relating to the north-east coast of Borneo has been received from Nav. Lieutenant T. B. Moody, H.M.S. Egeria, Commander C. Johnstone, 1880.
[All Bearings are Magnetic.
Variation 1° 20′ Easterly in 1881.]
BORNEO NORTH-EAST COAST.1
THE SHOAL marked position doubtful at about a mile S.W. of Kukuban island, is dark coloured, and difficult to distinguish; it appeared to have from 2 to 3 fathoms of water over it.
The four shoals between Kukuban and Tigabu islands, appear to have from 2 to 3 fathoms over them, except the northern one, which dries at low water.
See Admiralty charts of China Sea, Southern portion, No. 2,660b, Balabac strait No. 948, and Patawan island No. 967.
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