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236

9.3

Sector 9. The Bismarck Archipelago

Reefs, which sometimes break, extend from 1 to 1.5 miles N

from both islands. A small drying reef lies off the E side of the group.

9.3

Salat Strait, the channel between Ambitle Island and Babase

Island, is only about 0.2 mile wide and has depths of 9m in mid-channel. A rock, with a depth of less than 3.1m, lies near the middle of the N approach to the strait. A reef is located at the S end, on the E side of the channel. Several large reefs have also been reported in the N approach to the channel.

Anchorage.—Vessels with local knowledge can find good anchorage, in 24 to 26m, off the native village in the N bay on the E side of Ambitle Island. A coral patch, with a depth of 3.7m, is reported to lie about 0.3 mile off the S point of this bay. Anchorage can be taken in Nanum Bay on the SW side of

9.3 9.3

Ambitle Island. Fair shelter is afforded from the Northwest Monsoon and Southeast Trades.

9.3

Small vessels with local knowledge can anchor, in 9m, shel-

tered from both monsoons, between the before-mentioned small islet and the NW side of Ambitle Island.

9.3

The Nuguria Islands (3°12'S., 154°30'E.) are two groups of

atoll islands and sand banks surrounded by reefs. There are about 50 islets scattered along these atolls. Coconut plantations are situated on some of the islets. Vessels call occasionally to load copra and trochus shells. The two atolls are separated by a safe passage, about 3 miles wide.

Caution.—It was reported that the Nuguria Islands are about 5.5 miles WSW of their charted position.

9.3

Sable Islet, about 2.4m high and surrounded by a reef to a considerable distance, is 10 miles SSW of the S end of the Nuguria Islands.

9.3

9.4 The Tanga Islands (3°30'S., 153°18'E.) has Tefa

Island, the S islet of the group, connected with Lif Island by a reef. The latter island rises to a considerable height. The Tanga Islands consist of three rather large islands and several smaller ones. The smaller islands are surrounded by sandy shores. Malendok Island is the largest of the group and rises to a

9.4

height of 480m. The shores are cliffy and rise steeply from the fringing reef. A coconut plantation is situated on the SW side of the island.

9.4

Boang Island is separated from Malendok Island by a 3 mile

wide channel. Depths of 24 to 29m are found in the channel. A reef, with a depth of 3m, extends 1.75 miles from the SW side of Boang Island. A small islet stands on this reef. Boang Island has some sandy shores, but is mostly cliffy and steep. Boang Island is reported to be a poor radar target from 18 miles. Na- tive gardens and coconut groves are situated on the S side of the island. A reef, on which are two small islets, extends about 1.3 miles W from the NW extremity of the island.

9.4

Anchorage.—Vessels with local knowledge can anchor, in

about 35m, sand and coral, under the spit that extends NE from the SE end of Lif Island, with the native village bearing 276°. This anchorage is about 0.1 mile from the fringing reef. Ves- sels are cautioned against anchoring here during SE winds. Anchorage can also be taken, in 26 to 29m, E of the reef and

9.4

about 0.3 mile off the SW side of Boang Island. There is an an- chorage off the village at the NW end of Boang Island.

9.5

Lihir Gold Mine at night

Lihir Island (Niolam) (3°08'S., 152°35'E.) is volcanic and

has some active mud craters. It rises to a height of 800m near its S end, and has a steep, rugged, and wooded coast, except for native gardens, coconut groves, and some areas of grass and scrub. There are some confined stretches of sand, but in most places cliffs and steep slopes rise directly from the fringing reef. Villages and settlements are situated in areas of low and sloping terrain near the shore. A conspicuous white building, with a green roof and short steeple, stands near the shore 2 miles NW of the S end of Lihir.

9.5

Luise Harbor, a small bay formed between two mountain

spurs, indents the E coast of Lihir Island. Anchorage can be taken, in 18.3 to 22m, with a prominent red rock bearing 276°, distant 0.25 mile. The N part of the bay is shoal. Farther in to the SW and offering more shelter from SE winds, there is anchorage in shallower depths. A shoal, with a depth of 5.5m, extends about 1.5 miles N from the NW extremity of Lihir Island. A large open pit gold mining operation was established in 1997 on the E side of the island.

9.5 9.5

Sanambiet Island and Mali Island, with a small islet between

them, stand on a reef close off the NE end of Lihir Island. The former is 37m high and the latter is 88m high; both are wooded. Mahur Island is about 233m high, densely wooded, level

9.5

topped, and has steep sides. There is a narrow sandy shore on the W side fringed by a narrow reef. The island is a good radar target from 19 miles, but gives a poor return from 28 miles.

9.5 The Lihir Islands consist of Lihir Island (Niolam) and

four smaller islands known as Sanambiet Island, Masahet Island, Mali Island, and Mahur Island.

Caution.—The outline of the Tanga Islands is reported to be incorrectly defined on the charts and they were reported to be 2.75 miles WNW of their charted position.

9.4

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