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230

Sector 8. The Solomon Islands—Central and West Parts

The barrier reef lies on the W side of the harbor, which partly dries and is usually marked by breakers. The entrance to Queen Carola Harbor opens between Hetau Island and Cape Rungnoun (Cape Dunganon), with a passage 1.65 miles wide between the reefs, but it is divided into two deep passages by the extensive reef on which a sand cay, charted as Malulu Island, lies. The N passage is about 0.4 mile wide, with re- ported depths of 18.3m.

A 4.9m shoal lies E of the N entrance of the harbor, about 1 mile SSE of Cape Rungnoun.

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The district surrounding the harbor is composed of extensive

mangrove swamps. Hetau Island is densely populated. A 90m pier projects from the SE side of Cape Rungnoun. A conspic- uous white building stands on the pier and is the only building visible from seaward. Tanagole Bay contains numerous reefs and shoals between that bay and Japaru Island. Some of the reefs and shoals are marked by beacons.

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Anchorage.—Anchorage can be taken in Queen Carola Har-

bor, in 11 to 24m. Large vessels are reported to have anchored in good holding ground, N of Japaru Island and NE of Pororan Island. Small vessels usually anchor off the plantations closer inshore.

8.53 The Zoller Islands, joined by a reef, consists of Petats

Island and Jame Island (Yame Island). A passage, about 0.1 mile wide, separates the reefs extending from Matsungan Island and Petats Island. Vessels using this passage should favor the Matsungan Island side. There is a small pier on the N side of Petats Island and two on the SE end of Jame Island. A passage, with a least depth of 18.3m, leads N of Jame Is-

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land to an anchorage off the NE side of Petats Island, with good holding ground, in 25.6m. The barrier reef extending 2 to 3 miles off the W coast of Buka Island appears defined and free of dangers.

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Sal Island (5°26'S., 154°34'E.) is at the S end of this barrier

reef. Matsungan Island and Sal Island are separated from the coast by Natunana Channel. A detached reef, awash at HW, lies midway between these two islands.

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In the middle of the S entrance of Natunana Channel, about

midway between Sal Island and Cape Lalahan, there are four patches, with depths of 4.3 to 9.1m. These patches extend from about 0.8 mile to 2 miles SE from the shoal end of Sal Island. Shoal depths of 5.5 to 10m lie about 2 miles NE of the N end of Sal Island.

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A tidal current of 4.25 to 6 knots has been reported close SW of Sal Island.

Bougainville Island—West Coast

8.54 Caution.—Extreme caution is necessary along the W

coast of the island, particularly in the vicinity of Empress Agusta Bay, as many undetected coral heads and shoals may exist here. Reefs and shoals, some of which are doubtful, lie up to 22 miles offshore.

Matchin Bay is formed by the W side of the N end of Bougainville Island. Protection for the bay is provided by Taiof Island (Toiokh Island) and Tanoara Island (Katitz Island), and numerous reefs and islands on the W. The bay itself is cluttered with islands and reefs.

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Pub. 126

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Matchin Bay has not been thoroughly surveyed; charted

shoals positions may be inaccurate and uncharted shoals may exist.

Taiof Island (5°32'S., 154°39'E.) has three distinctive densely wooded peaks, reaching from 268 to 335m high. Most of the island is fringed by reefs and mangrove swamps, but the NW coast clears with coral and sand on the foreshore, where there are a few villages.

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North Channel, between Taiof Island and Madehas Island, is

the principal entrance to Matchin Bay, and can be used by large vessels, but the mariner must use caution in the W approaches and be aware of the reef off the N end of Taiof Island. The S approach to the bay is through South Channel, between the S end of Tanoara Island, 204m high, and Lebau Island. This channel should not be attempted without local knowledge, as there are numerous shoals, marked and unmarked, as well as scattered reefs near the Soraken peninsula.

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It is reported a clear passage, with depths up to 29.3m, leads

between the N extremity of the Soraken Peninsula and the reef 0.25 mile N to the anchorage in Soraken Harbor, in 27m, good holding ground of coral and mud.

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The mariner will encounter the Hilder Group when navi-

gating S on the W coast of Bougainville Island. This group consists of five islands, each surrounded by a reef. The W is- land is 13.7m high to the tops of the trees, with Pachem Island (Hohn Island) 2 miles E of it. Mik Mik Island is the E island of the group.

8.55 Between Matchim Bay and Cape Molke, the shoals

and islands offshore decrease in size and number. In heavy swell conditions, any shoal with less than 9m will break, and a build-up of wave height will be apparent over any broken ground with depths under 48m.

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Numerous dangers, the existence of which seem to be doubt-

ful, are charted up to 16 miles offshore between Cape Molke (6°02'S., 154°49'E.) and Cape Torokina. The coastline in this area is fringed with tall scrub backed by swampland and be- comes more rugged between Cape Molke and Cape Torokina. There are several useful and conspicuous marks in the

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approach to Cape Torokina. Mount Bagana and Mount Balbi are prominent from this coast. A white square patch of rock on a vertical cliff, 10 miles NNW of the cape, and the angular fall of a flat-topped ridge, about 10 miles NNE of the cape, are also conspicuous. This declivity forms a cut in the skyline and is said to be identifiable from a greater distance than either Mount Bagana or Mount Balbi because of the cloud cover over these mountains. A small jetty is situated close W of a prom- inent radio tower standing on Cape Torokina.

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Puruata Island lies about 0.5 mile W of Cape Torokina. Anchorage.—Anchorage can be taken W of Puruata Island

in good holding ground, sand bottom, but a heavy swell often sets in from the SE. Caution is urged when approaching this anchorage as dangers, not shown on the chart, may exist.

8.56 Empress Augusta Bay is entered between Motupena

Point (6°31'S., 155°09'E.) and Cape Torokina. Its approaches are scattered with numerous dangers reaching out for 22 miles to the W of Motupena Point and for 18 miles to the WSW of Cape Torokina. It is reported there could be other dangers not Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60  |  Page 61  |  Page 62  |  Page 63  |  Page 64  |  Page 65  |  Page 66  |  Page 67  |  Page 68  |  Page 69  |  Page 70  |  Page 71  |  Page 72  |  Page 73  |  Page 74  |  Page 75  |  Page 76  |  Page 77  |  Page 78  |  Page 79  |  Page 80  |  Page 81  |  Page 82  |  Page 83  |  Page 84  |  Page 85  |  Page 86  |  Page 87  |  Page 88  |  Page 89  |  Page 90  |  Page 91  |  Page 92  |  Page 93  |  Page 94  |  Page 95  |  Page 96  |  Page 97  |  Page 98  |  Page 99  |  Page 100  |  Page 101  |  Page 102  |  Page 103  |  Page 104  |  Page 105  |  Page 106  |  Page 107  |  Page 108  |  Page 109  |  Page 110  |  Page 111  |  Page 112  |  Page 113  |  Page 114  |  Page 115  |  Page 116  |  Page 117  |  Page 118  |  Page 119  |  Page 120  |  Page 121  |  Page 122  |  Page 123  |  Page 124  |  Page 125  |  Page 126  |  Page 127  |  Page 128  |  Page 129  |  Page 130  |  Page 131  |  Page 132  |  Page 133  |  Page 134  |  Page 135  |  Page 136  |  Page 137  |  Page 138  |  Page 139  |  Page 140  |  Page 141  |  Page 142  |  Page 143  |  Page 144  |  Page 145  |  Page 146  |  Page 147  |  Page 148  |  Page 149  |  Page 150  |  Page 151  |  Page 152  |  Page 153  |  Page 154  |  Page 155  |  Page 156  |  Page 157  |  Page 158  |  Page 159  |  Page 160  |  Page 161  |  Page 162  |  Page 163  |  Page 164  |  Page 165  |  Page 166  |  Page 167  |  Page 168  |  Page 169  |  Page 170  |  Page 171  |  Page 172  |  Page 173  |  Page 174  |  Page 175  |  Page 176  |  Page 177  |  Page 178  |  Page 179  |  Page 180  |  Page 181  |  Page 182  |  Page 183  |  Page 184  |  Page 185  |  Page 186  |  Page 187  |  Page 188  |  Page 189  |  Page 190  |  Page 191  |  Page 192  |  Page 193  |  Page 194  |  Page 195  |  Page 196  |  Page 197  |  Page 198  |  Page 199  |  Page 200  |  Page 201  |  Page 202  |  Page 203  |  Page 204  |  Page 205  |  Page 206  |  Page 207  |  Page 208  |  Page 209  |  Page 210  |  Page 211  |  Page 212  |  Page 213  |  Page 214  |  Page 215  |  Page 216  |  Page 217  |  Page 218  |  Page 219  |  Page 220  |  Page 221  |  Page 222  |  Page 223  |  Page 224  |  Page 225  |  Page 226  |  Page 227  |  Page 228  |  Page 229  |  Page 230  |  Page 231  |  Page 232  |  Page 233  |  Page 234  |  Page 235  |  Page 236  |  Page 237  |  Page 238  |  Page 239  |  Page 240  |  Page 241  |  Page 242  |  Page 243  |  Page 244  |  Page 245  |  Page 246  |  Page 247  |  Page 248  |  Page 249  |  Page 250  |  Page 251  |  Page 252  |  Page 253  |  Page 254  |  Page 255  |  Page 256  |  Page 257  |  Page 258  |  Page 259  |  Page 260  |  Page 261  |  Page 262  |  Page 263  |  Page 264  |  Page 265  |  Page 266  |  Page 267  |  Page 268  |  Page 269  |  Page 270  |  Page 271  |  Page 272  |  Page 273  |  Page 274  |  Page 275  |  Page 276  |  Page 277  |  Page 278  |  Page 279  |  Page 280  |  Page 281  |  Page 282  |  Page 283  |  Page 284  |  Page 285  |  Page 286  |  Page 287  |  Page 288  |  Page 289  |  Page 290  |  Page 291  |  Page 292  |  Page 293  |  Page 294  |  Page 295  |  Page 296  |  Page 297  |  Page 298  |  Page 299  |  Page 300  |  Page 301  |  Page 302  |  Page 303  |  Page 304  |  Page 305  |  Page 306  |  Page 307  |  Page 308  |  Page 309  |  Page 310
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