No. 1868.—IRELAND—NORTH COAST.
Lough Swilly—Shoal.
Subject.—A recent survey has revealed the existence of a shoal in Lough Swilly, as undermentioned. Position.—Muckamish Tower, bearing N. 48° W., distant 8 cables; Muckamish Tower,lat. 55° 8¼ N., long. 7° 31¼' W.
Depth.—3½ fathoms.
Variation.—21° W.
Charts affected.—No. 3023, Buncrana and Rathmullan Anchorages ; No. 2697, Lough Swilly; No. 46, Larne to Bloody Foreland; No. 1824b, Ireland, West Coast.
Publication.—Irish Coast Pilot, 1902, page 501.
Authority.—West Coast of England Survey, 20th November, 1909.
No. 1869.—WEST INDIES—CUBA, SOUTH COAST.
East Rock—Light Established.
Subject.—On or about the 15th November,1909, a light of the undermentioned character would be established on East Rock.
Position.—Lat. 21° 39¼' N., 81° 2½ W.
Character.—A group flashing white light showing a group of three flashes every fifteen seconds.
Elevation.—157 feet.
Visibility.—19 miles.
Structure.—An octagonal pyramidal framework tower, the lower part being covered with iron plates. The tower is painted in red and white horizontal bands, and is 137 feet in height from base to centre of lantern.
Power.—136,000 candles.
Charts affected.—No. 2579, Cuba; No. 761, West India Islands and Caribbean Sea, Sheet I; No. 392, Gulf of Mexico; No. S273, The West Indies.
Publications.—List of Lights, Part VIII, 1909, page 353; West India Pilot, Vol. II, 1899, pages 451, 452.
Authority.—Havana Notice, dated 23rd October, 1909.
No. 1870.—SCOTLAND, WEST COAST—SKYE.
Subject.—A light of the undermentioned character has been established on Neist Point,west coast of Skye.
Position.—Lat. 57° 25' 20" N., long 6° 47' 10" W., on Chart No. 2551.
Character.—A group flashing light, showing a group of two flashes every thirty seconds, thus:—Flash, ½ second; eclipse, 4 seconds; flash ½ second; eclipse, 25 seconds.
Elevation.—140 feet.
Visibility.—18 miles.
Structure.—White Tower, 62 feet in height.
Power.—480,000 candles.
Remarks.—Further notice will be given when the fog-signal is established.
Charts affected.—No. 2551, Isle of Skye, Ac. No. 2475, Ardnamurchan to Summer Isles; No3674, Colonsay to north point of Skye; No. 2635. Scotland, west coast.
Publications.—List of Lights, Part I, 1909, No. 646b; West Coast of Scotland, 1902, page 387 ; Revised Supplement, 1909; Notice to Mariners, No. 1444 of 1909.
Authority.—Commissioners of Northern Lighthouses, 4th November, 1909.
No. 1871.—MEDITERRANEAN.
Perama Point and Pyrgui Island Lights—Omitted from certain Charts.
Subject.—The undermentioned lights are omitted from some copies of certain Admiralty Charts. 1. Perama Point Light:
Position.—On Perama Point, Steno Pass, at a distance of 3410 cables, S. 63° W., from the summit of Pasha Adasi; lat. 38° 26¼ N., long. 23° 36½ E.
Character.—A fixed red light, visible 6 miles.
2. Pyrgui Island Light:
Position.—On north extreme of island; lat. 36° 46½ N., long. 24° 35¼ E.
Character.—A fixed red light, visible 5 miles.
Variation.—5° W.
Charts affected.—No. 1554, Talanta Channel, &c., with Plan (1); No. 2836a, Archipelago, Southern Sheet (2).
Authority.—Hydrographic Office.
No. 1872.—CHINA SEA—SINGAPORE STRAIT.
Rhio Strait—Wreck in Northern Approach.
Subject.—A wreck of the undermentioned description lies sunk in the northern approach to Rhio Strait.
Position.—At a distance of about 3£ miles, N. 11° E., from Pan Reef Light-beacon; lat 1° 13¼ N., long. 104° 12' E.
Description.—Wreck of the steamship La Seyne, with one mast showing about 15 feet above water.
Remarks.—"Position approximate" has been placed against this wreck on the charts.
Variation.—1° E.
Neist Point—Light Established.
Charts affected.—No. 2403, Singapore Strait; No. 2757, Banka Strait to Singapore; No. 3543, Approaches to Singapore; No. 1355, Malacca Strait; No. 2660a, China Sea, Southern Portion; No. 941a, Eastern Archipelago, Western Portion. Publication.—China Sea Directory, Vol. I 1906, page 609.
Authority.—Hague Notice, No. 2376 of 1909. By command of their Lordships,
H. E. Purey-Cust, Hydrographer.
Hydrographic Office, Admiralty, London, 29th November to 1st December, 1909.
