Oct. 1.] THE NEW ZEALAND GAZETTE. 2697

Notice to Mariners No. 72 of 1925.

Marine Department,
Wellington, N.Z., 23rd September, 1925.

THE following Notices to Mariners, which have been received from the Hydrographic Office, London, and the Department of Trade and Customs, Melbourne, are published for general information.

G. C. GODFREY, Secretary.

[PRELIMINARY.]

ENGLAND, EAST COAST.—RIVER THAMES ENTRANCE.
The Nore.—Intended Alteration in Position of Light-vessel: Buoy to be established.

Date.—On or about 25th August, 1925.

(a.) Intended alteration in position of light-vessel.

New Position.—At a distance of about 2 miles eastward of charted position and 4·10 miles 129° from St. Andrew’s Church, Shoeburyness. Lat. 51° 29′ N., long. 0° 52′ E.

Description.—“Nore” light-vessel, as described in the List of Lights.

(b.) Buoy to be established.

Position.—At a distance of 3·05 miles 174° from St. Andrew’s Church, Shoeburyness.

Description.—A spherical buoy, painted in black and white horizontal stripes and marked “East Nore Sand,” with staff and diamond topmark.

Remarks.—Further notice will be given.

ENGLAND, EAST COAST.—THE DOWNS.
Gull Light-vessel and West Goodwin Light-buoy.—Alteration in Position: Caution.

(a.) Gull light-vessel.

New Position.—At a distance of about one cable westward of charted position and 3·64 miles 047° from St. Andrew’s Church, Deal. Lat. 51° 16′ N., long. 1° 28′ E. (approx.).

Description.—As described in the List of Lights.

(b.) West Goodwin light-buoy.

Former Notice.—No. 717 of 1925.

New Position.—At a distance of about three-quarters of a cable westward of charted position and 2·93 miles 059° from St. Andrew’s Church, Deal. Lat. 51° 15′ N., long. 1° 28′ E. (approx.).

Description.—A light-buoy, painted black, exhibiting a flashing red light.

Caution.—The above alterations have been rendered necessary owing to the extension of the Goodwin Sands to the westward.

IRELAND, NORTH-EAST COAST.
Rathlin Island West Lighthouse.—Fog-signal to be established.

Date.—On or about 15th July, 1925; without further notice.

Former Notice.—No. 1698 of 1924 [PRELIMINARY]; hereby cancelled.

Position.—At a distance of about half a mile north-eastward of Bull Point. Lat. 55° 18′ N., long. 6° 17′ W. (approx.).

Abridged Description.—Diaphone (4) ev. min.

Details.—A fog diaphone sounding four blasts every minute, thus: Blast 1·5 sec., silent 2·5 sec.; blast 1·5 sec., silent 2·5 sec.; blast 1·5 sec., silent 2·5 sec.; blast 1·5 sec., silent 46·5 sec.

[TEMPORARY.]

NORTH ATLANTIC OCEAN.—CANARY ISLANDS, TENERIFFE.
Anaga Point Light.—Intended Temporary Alteration in Character.

Date of Alteration.—Shortly, without further notice.

Position.—At a distance of about 2 miles north-westward of Anaga Point. Lat. 28° 35′ N., long. 16° 07′ W. (approx.).

Alteration.—The character of the light will be temporarily altered from fixed and flashing white to fixed white.

Remarks.—The visibility of the temporary light will be 27 miles.

Further notice will be given when the light resumes its normal character.

WEST INDIES.—BAHAMAS, GREAT ABACO ISLAND.
Abaco Light.—Further Information re Intended Alteration in Period.

Former Notice.—No. 690 of 1925 [PRELIMINARY]; hereby cancelled.

Date of Alteration.—On or about 1st August, 1925.

Position.—Lat. 25° 51′ N., long. 77° 11′ W. (approx.).

Alteration.—The period of the flashing white light will be altered from one minute to ten seconds. At a later date, when the lighthouse has been re-constructed, the power of the light will be increased to 400,000 candles.

Remarks.—During the work of reconstruction of the lighthouse the red band will be temporarily obliterated.

NOTE.—Further notice will be given for the necessary correction of the charts.

CENTRAL AMERICA, CARIBBEAN COAST.—PANAMA.
Colon Harbour.—D.F. Station established.

Position.—On West breakwater, at a distance of 1·83 cables 058° from Toro Point Lighthouse. Lat. 9° 23′ N., long. 79° 57′ W. (approx.).

Abridged Description.—W/T D.F. Call Signal.—NAX. Wave length.—800 metres.

Details.—A wireless direction-finding station has been established in the above position. The station operates in conjunction with Colon W/T station (call signal NAX), and gives continuous service.

ARGENTINA.—TIERRA DEL FUEGO, STATEN ISLAND.
New Year Islands Light.—Alteration in Character.

Former Notice.—No. 1730 of 1924 [PRELIMINARY]; hereby cancelled.

Position.—On eastern side of Observatory Island. Lat. 54° 39′ S., long. 64° 07′ W. (approx.).

Abridged Description.—Gp. Fl. (3) ev. 20 sec. 210 ft., 21 M. (U).

Alteration.—The character of the light has been altered from flashing white to group-flashing white, showing three flashes every twenty seconds, thus: Flash 0·7 sec., eclipse 3·3 sec., flash 0·7 sec., eclipse 3·3 sec., flash 0·7 sec., eclipse 11·3 sec.

Remarks.—The light is unwatched.

ARGENTINA.—GOLFO NUEVO ENTRANCE.
Punta Ninfas Light.—Alteration in Period.

Position.—Lat. 42° 59′ S., long. 64° 19′ W. (approx.).

Abridged Description.—Fl. ev. 7½ sec. 289 ft., 17 M. (U).

Alteration.—The period of the flashing white light has been altered from five seconds to seven and a half seconds, thus: Flash 0·5 sec., eclipse 7·0 sec.

Remarks.—The visibility of the light is now 17 miles; in other respects the light is unaltered.

NOTE.—This light is now to be inserted on small-scale chart No. 2202b.

UNITED STATES, PACIFIC COAST.—CALIFORNIA, MONTEREY HARBOUR.
Point Pinos.—Fog-signal established.

Position.—At a distance of about 2¼ cables north-westward of Point Pinos Lighthouse. Lat. 36° 38′ 14″ N., long. 121° 56′ 06″ W., on plan on chart No. 1082.

Abridged Description.—Siren (2) ev. 30 sec.

Description.—A fog siren, operated by electricity, sounding two blasts every thirty seconds, thus: Blast 3 sec., silent 2 sec.; blast 3 sec., silent 22 sec.

2648. BRITISH COLUMBIA.
      Juan de Fuca Strait.—Race Rocks Light changed.

A new flashing white catoptric light, showing 1 flash every 10 seconds, has been established at Race Rock Light Station. For one half the total period, or 5 seconds, the light will be totally eclipsed; for the other half a fixed white light of 900 candle-power will be visible through which the flash of 50,000 candle-power will show.

Approx. Position.—48° 17′ 53″ N., 123° 32′ 47″ W.

AUSTRALIA.—EAST COAST—WHITSUNDAY PASSAGE.
Dent Island Light.—Intended Alteration in Characteristics.—Temporary light to be exhibited.

Mariners and others are hereby notified that the period and power of the flashing white light on Dent Island will be altered on or about 24th November, 1925.

Position.—On west side one mile from south point. Lat. 20° 22′ S., long. 148° 57′ E. on chart No. 347.

Details.—The existing white flashing light will be replaced by a new light having the undermentioned characteristics:

Character.—Single Flashing White Light, showing one flash every two and a half seconds, thus: Flash, 0·3 sec., eclipse, 2·2 sec.

Power.—22,500 candles.

Remarks.—The other details of the existing light will remain unaltered. Further notice will be given when the alteration has been effected.