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8.39

Sector 8. The Solomon Islands—Central and West Parts

Tides—Currents.—Tidal currents in the channels between

the various islands are strong; and in the channel W of Faisi Island they attain a velocity of 2 to 3 knots.

8.39

Depths—Limitations.—Lofung Harbor is a deep narrow

channel in the N part of Shortland Harbor. It was used by ocean-going vessels loading timber.

The passage into Lofung Harbor should not be attempted without a pilot. Entry is permitted during daylight hours only. Anchorage.—Anchorage, with good shelter and holding

8.39 8.39

ground, can be taken W of Faisi Island. Faisi Island is NE of the island of Magusiai. Vessels up to 3,000 grt can moor at this anchorage, which is sheltered in all seasons.

8.40 To the W of Alu Island are a number of islands and

patches. Gomai Point is the W extremity of Aloataghale Island, an island lying on a reef extending from the SW edge of Alu Island. Two groups of small detached islands, varying in height from 18 to 30m and surrounded by reefs, lie about 7 to 10 miles NW, respectively, of Gomai Point. There are deep chan- nels E of these respective groups, either of which may be con- sidered as the SW entrance of Bougainville Strait.

8.40

There are numerous islands and dangers lying within 1.75

miles of the NE side of Alu Island. Their names and positions are best seen on the chart. Balalac Island (Ballale Island), lo- cated 5.5 miles N of Poporang, is the S island of a number of small islands scattered about in the area between Alu Island and Ovau (6°48'S., 156°01'E.). Ovau, lying between the NW part of Fauro Island and Bougainville Island, is 408m high and has a deep clear channel on either side, but the tidal currents are strong.

8.40

Fauro Island (6°55'S., 156°05'E.), S of Oema Island, is of

volcanic origin. It is indented by many bays and dominated by several peaks; the highest of which is 587m, culminating about 5 miles from the S end. The coasts are very jagged, where there are numerous islands and reefs, particularly in the SW, extending 5 to 6 miles outward. Mania Island is the largest. It is wooded and conspicuous. Northeast of Mamia Island, about 1.7 miles, is Aoa Island. There is a good anchorage 0.2 to 0.4 mile off the E side of this island, in 47m, but a rock lying 0.15 mile E of the island must be avoided.

8.40

Toma Harbor (Togha Harbor), at the S end of Fauro Island,

is protected by the barrier and other reefs here and affords good anchorage, in 31 to 36m, mud and clay.

8.40

Sinasora Bay, at the S side of the promontory of Maero

Point (East Cape) (6°55'S., 156°08'E.), the E extremity of Fauro Island, affords a snug anchorage, in 33 to 42m.

8.40

Masamasa Island and the Piedu Islands (6°51'S., 156°09'E.)

are the two largest of a group of islands lying E of the N end of Fauro Island and N of Maero Point. About 1 mile N of Fauro Island, is Kanasata Island, with a bank extending 0.3 mile NE with 14.6m from it, and a drying reef with a remarkable column of rock 40m high extending 0.2 mile E of the island. Oema Island, 6 miles N of Kanasata, culminates in a height of 245m. Oema Atoll, 1.5 miles NE, is marked by several islands on the crown of reefs.

Bougainville Strait

8.41 Bougainville Strait, separating Choiseul Island from Bougainville Island and Shortland Island to the W, runs NNW

Pub. 126

between Redman Island (6°43'S., 156°24'E.) and Obeani Island, the E island of the Shortland group 14.5 miles WSW. A ridge, with depths of less than 200m, lies between these two islands. The other distinct channel with its NE-SW heading follows the coast of the SE end of Bougainville, but is not recommended.

8.41

Bougainville Strait lies on the direct route between Australia

and Japan. Despite the complexity of the reefs as shown on the chart, there should be no difficulty for medium-draft vessels in maintaining a safe course through it.

8.41

Tides—Currents.—In the middle of the fairway through

Bougainville Strait, about 8 miles NE of Maero Point (East Cape), the E extremity of Fauro Island, the tidal current attains a maximum rate of about 2 knots in a SE direction about 1 hour after LHW, and about 1.5 knots in a NW direction about 6 hours before LHW.

The currents are influenced by the shape of the sea bed, particularly where it rises steeply to the central part of the strait, and probably attain rates of up to 3 knots in the narrower channels between reefs.

8.41 8.41

Directions—The best route through the strait for vessels

drawing 16m is on a course of 344°-164° passing midway be- tween Else Reef and Hallpike Reef, at the S end of the passage, and Haslam Reef and Oldham Reef, at the N end of the pass- age, passing 6.5 miles off Obeani Island. This track is almost along the direction of the tidal current.

8.41

Caution.—The water near Bougainville Strait is very clear,

and the light-colored sand on many of the reefs is clearly visi- ble, even in depths of more than 15m, making the depth look much less than it really is.

Bougainville Island

8.42 Bougainville Island, the largest of the Solomon Is-

lands and separated from Choiseul Island by Bougainville Strait, has an extensive wooded range of mountains extending the entire length of the island. The coast, though varied, also is covered with dense forest. This range in the SE part is known as the Crown Prince mountains. The Emperor Mountains are in the NW part of the island. Mount Balbi, in the NW, is the highest peak, reaching 2,591m. It is a steep pyramid with a jagged-edged active crater. Mount Taroka and Mount Bagana, in the Crown Prince Range, are 2,107m and 1,999m high, respectively, and are located about 27 miles and 58 miles NW, respectively, of Cape Friendship.

8.42

Cape Friendship (6°43'S., 155°58'E.), the E extremity of

Bougainville Island, is marked by a distinctive red cliff. Rantan Island, 78m high, lies about 0.6 mile offshore, 1.5 miles N of Cape Friendship. A light is shown from a tower in position 6°41'S, 155°59'E. There is a 1m rock on a shoal 0.5 mile N of Rantan.

8.42

Caution.—The island must be approached with caution be-

cause, with the exception of the SE and S coasts, the ap- proaches have not been surveyed completely. The W coast in particular is suspect, as there are many undetected shoals and coral heads that may exist in the vicinity of Empress Augusta Bay. The island is not accurately charted and it is questionable whether or not the actual positions may vary from the charted positions. 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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