Nov. 2.] THE NEW ZEALAND GAZETTE. 3283

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 (2½) miles south of the Troubridge Lighthouse.

Approximate position : Lat. 35° 10′ S., long. 137° 49¼′ E. This affects Admiralty Charts Nos. 2389A and 2152.

Marine Board Offices,
Port Adelaide, 4th August, 1911.

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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 1st 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, 0·9 seconds darkness; 0·3 seconds light, 0·9 seconds darkness; 0·3 seconds light, 6·3 seconds 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 38 ft. above ordinary sea-level.

Approximate position : Lat. 33° 37½′ S., long. 137° 33′ E.

Marine Board Offices,
Port Adelaide, 6th September, 1911.

ARTHUR SEARCY,
President of the Marine Board.

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Notice to Mariners No. 129 of 1911.

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Marine Department,
Wellington, N.Z., 9th October, 1911.

THE following Notices to Mariners, received from the Hydrographic Office, Washington, D.C., United States of America, are published for general information.

J. A. MILLAR.

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CALIFORNIA.

SAN FRANCISCO BAY ENTRANCE.—BONITA POINT LIGHT.—INTENSITY INCREASED.—On 1st August, 1911, the intensity of Bonita Point Light, San Francisco Bay entrance, California, was increased by changing the illuminant from oil to incandescent oil vapour.

Approx. position : Lat. 37° 48′ 57″ N., long. 122° 31′ 44″ W.

SAN FRANCISCO BAY.—SUISUN BAY.—HYDROGRAPHIC INFORMATION.—Captain R. Dabel, of the tug “Crolona,” reports that the channel between Middle and Stake Points, Suisun Bay, California, is shoaling very rapidly, and that there is now but 11 ft. at low water for a distance of about ¾ mile. The same captain reports that the channel off Pacheco Flat is narrowing, and that the flat off Pacheco Creek is dangerous and not marked. The channel off Spar Buoy No. 1, off Edith Point, has about 14 ft. of water.

ARGENTINA.

PLATA RIVER.—RECALADA LIGHT-VESSEL.—WIRELESS-TELEGRAPH STATION ESTABLISHED.—A wireless-telegraph station, call letters W R C, has been established on Recalada light-vessel, Plata River entrance, Argentina.

Approx. position : Lat. 35° 10′ 30″ S., long. 56° 26′ W.

BUENOS AIRES.—WIRELESS-TELEGRAPH STATION ESTABLISHED.—A wireless-telegraph station, call letters W B A, has been established at the entrance to the North Basin, at Buenos Aires, Argentina.

CAPE VIRGINS.—WIRELESS-TELEGRAPH STATION ESTABLISHED.—A wireless-telegraph station, call letters W C V, has been established near the telegraph-station, between Cape Virgins and Cape Dungeness, Argentina.

Approx. position : Lat. 52° 21′ S., long. 68° 21′ W.

STATEN ISLAND.—NEW YEAR ISLAND.—WIRELESS-TELEGRAPH STATION ESTABLISHED.—A wireless-telegraph station, call letters W A N, has been established southward of the observatory on New Year Island, Staten Island, Argentina.

Approx. position : Lat. 54° 39′ S., long. 64° 8′ W.

TIERRA DEL FUEGO.—BEAGLE CHANNEL.—USHUWAIA BAY.—WIRELESS-TELEGRAPH STATION ESTABLISHED.—A wireless-telegraph station, call letters W U H, has been established at Ushuwaia Bay, Beagle Channel, Tierra del Fuego.

Approx. position : Lat. 54° 49′ S., long. 68° 18′ W.

WASHINGTON.

WASHINGTON SOUND.—ROSARIO STRAIT.—PEAPOD ROCKS LIGHT.—CHARACTERISTIC TO BE CHANGED.—About 16th September, 1911, the fixed white post-lantern light on Peapod Rocks, Rosario Strait, will be replaced by a flashing white lens-lantern light showing 1 flash every 3 seconds—thus, flash 0·3 second, eclipsed 2·7 seconds.

The new light will be shown from a framework on top of a square wooden house, without change in position.

The illuminant will be acetylene gas.

Approx. position : Lat. 48° 38′ 30″ N., long. 122° 44′ 30″ W.

BRITISH COLUMBIA.

QUEEN CHARLOTTE ISLANDS.—GRAHAM ISLAND.—SKIDEGATE INLET.—DEADTREE POINT.—WIRELESS-TELEGRAPH STATION ESTABLISHED.—A wireless-telegraph station has been established by the Government of Canada on Deadtree Point, Skidegate Inlet, Queen Charlotte Islands, British Columbia.

The station is equipped with Marconi apparatus, and has a normal range of 200 miles. In communicating with this station the 600-meter wave length should be used. The call letters are “C A D.”

The public service is in operation daily from 8 a.m. to 6 p.m. (Pacific time). The coast station charge is $1.20 for the first ten words in the body of the message, and 12 cents for each additional word; the address and signature are not charged for.

Approx. position : Lat. 53° 21′ 30″ N., long. 131° 56′ 30″ W.

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Notice to Mariners No. 133 of 1911.

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Marine Department,
Wellington, N.Z., 21st October, 1911.

THE following Notices to Mariners, received from the Board of Trade, are published for general information.

J. A. MILLAR.

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INDIAN OCEAN.

DOUBLE ISL. LT.—This F. white lt. (15° 52½′ N., 97° 35¼′ E.) has been replaced by an occ. white lt. every 20 secs., of increased power. The obsc. sector of this lt. between S. 26° E. and S. 17° E. has been abolished, and the lt. is now vis. from N. 8° W., through N. and E. to about S. 8° E., where it is cut off by Amherst Pt. Sept.

EASTERN ARCHIPELAGO, ETC.

SEMANGKA BAY.—Breakers are reported to exist in 5° 31½′ S., 104° 35½′ E. Note.—“Breakers reported (1911)” has been charted in the above position. Sept.

SINGAPORE STRAIT.—ROUND ISL. (TEKONG KECHIL).—A fl. white lt. every 4 secs., obsc. from S. 27° E. to S. 3° E., elev. 49 ft., R. 10 miles, is exh. from a white iron frame, in 1° 6½′ N., 103° 43½′ E., on detached reef, 2½ cables S. 16° E. from the summit of the isl. Sept.

DURIAN STRAIT.—A fl. white lt. every 30 secs.—fl. 5 secs., ecl. 25 secs.—R. 20 miles, is exh. from S. Brother Isl. (0° 33′ N., 103° 46½′ E.), S. entr. to Durian Strait. Sept.

CHINA SEA, ETC.

YANG TSE KIANG.—TSUNG MING CROSSING.—1. The Second Crossing lt.-buoy, 26½ cables N. 58° W. from Washaway beacon (31° 26½′ N., 121° 34¼′ E.), has been withdrawn. 2. (a.) A black conical buoy, named Second Crossing buoy, is est. in 14 ft., 2·1 miles N. 50° W. from Washaway beacon. (b.) A lt.-buoy, red, named W. Spit buoy, exh. an occ. white lt. every 8 secs., is est. in 16 ft., 2·6 miles N. 73° W. from Washaway beacon. Caution.—Vessels cannot steer a straight course between E. entr. buoy and W. Spit buoy, owing to the chan. having narrowed. Sept.

NEW ZEALAND.

No. 803. New Zealand, Lambton harb., and Evans Bay; May.

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Notice to Mariners No. 134 of 1911.

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Marine Department,
Wellington, N.Z., 21st October, 1911.

THE following Notices to Mariners, received from the Hydrographic Office, Washington, D.C., United States, America, are published for general information.

J. A. MILLAR.