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216

Sector 8. The Solomon Islands—Central and West Parts

ena Rock, has a least depth of 7.2m, and is the main danger on the E side of the strait.

8.10

The barrier reef at the S entrance to Manning Strait runs

from Hilohavo Islet to Raverave Islet, with isolated depths of 3.4 to 9.1m, and deep water passes between the shoal areas. Directions.—Two defined, deep entrances exist through the

8.10

N barrier reef. Northern Passage (7°14'S., 157°50'E.) is about 1 mile wide and has a least depth of 34m. Haycock Island, bearing 174.5°, leads through the reef. There are several open- ings in the reef W of Northern Passage, with depths of over 21.5m. The deepest entrance, which is the second entrance referred to above, lies between Fahlander Shoal and the barrier reef 4 miles E of the shoal. The channel cannot be recom- mended as the track has not been fully surveyed, and requires local knowledge.

8.10

Three main passages lead through the reef in the S approach

to the strait. Pascoe Passage (7°39'S., 158°17'E.) is about 2 miles wide, with a least charted depth of 33m. Mount Sears (7°28'S., 158°16'E.), a 278m high peak located on the W end of Barona Fa Island, steered for on a bearing of 357°, leads from seaward through the passage.

8.10

Middle Passage, about 0.5 mile wide, lies about 5.5 miles W

of Pascoe Passage, and has a least charted depth of 68m. A patch, with a depth of 20m, lies near the center of the channel. Mount Sears, bearing 029°, leads through the pass.

8.10

West Passage is the shallowest of the three S entrances to the

strait, showing a least charted depth of 23m. A shoal patch, with a depth of 11m and depths of 19 to 20m, lie on the E and W sides of the channel.

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If the vessel has a sufficient height of eye to sight it, Suki

Island (7°19'S., 158°05'E.), bearing 001°, leads through the passage. An alternate mark for entering the passage is to steer with the W edge of the S Aravon Islands bearing ahead 355.5°. Caution is advised when using this alternate mark, as the track passes close E of a 19m patch 0.75 miles S of the Aravon Is- land mentioned above.

8.10

Once clear of the barrier reef, vessels may safely navigate

the E portion of the Manning Strait following the recommend- ed track. There are no obvious steering marks, but the dangers are easily seen under most weather conditions. The SE end of the track lies bearing 357.5°, 8.5 miles from Mount Sears, while the NW end lies bearing 277°, 14.5 miles from Suki Is- land. A course of 307° defines the track between them. The channel on the W side of the strait requires local know-

8.10

ledge.

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The NW end of Santa Isabel is prolonged by smaller islands

and islets that Manning Strait separates from the islands off the SE end of Choiseul Island. Two prominent islands, Nohabuna Island and Malaghara Island, located 2.5 miles SSW of Suki Island (7°19'S., 158°05'E.), form this NW extremity of the archipelago. Molakobi Island, 108m high, is the largest of nine islands of this group lying W of Kologilo Passage. The only breaks in the chain of islands and reefs of the archipelago are the narrow torturous passes. Gaghe Island, which is the high- est, is dominated on its SW side by Mount Beaumont, the sum- mit of which is rounded and rises to 290m.

8.10

Dart Sound indents to the E, between Barora Ite Island and

the Barola Islands, and connects with the central part of Aus- tria Sound. Dart Sound holds several islets, and a few shoals.

Pub. 126

8.12 The coast to Furona Island (8°08'S., 159°05'E.) is

low and fringed by reefs that project for more than 1 mile sea- ward. Santa Isabel is then fronted by a barrier reef to San Jorge Island. The outer edge lies from about 1.5 to 4 miles offshore. The reef is sheer toward the open sea and is in large part sub- merged, and extreme caution must be exercised when ap- proaching the coast. The channel between the barrier reef and the coast is accessible via several passes, but it has not been surveyed completely. Particularly dangerous is that portion of the barrier reef W of San Jorge Island which is much broken and submerged.

8.12

San Jorge Island (8°26'S., 159°36'E.) is separated from the

main island on the E by Thousand Ships Bay and on the N by the narrow Ortega Channel, which is only practical for boats. There are two flat-topped summits on the island. Thousand Ships Bay (8°27'S., 159°41'E.) is formed be-

tween the E side of San Jorge Island and the main island. Depths range from 27 to 55m in this bay, which is encumbered with islands and reefs.

8.12

The shores of the bay are fringed by a reef and bordered by

mangroves. The bay opens between Lilihignia Island, near the coast, about 3 miles NW of Sogha Point. Utuha Island

8.10

Beacons mark the reef which fringes the islets on the SW side of the channel connecting Dart Sound and Austria Sound. Rob Roy Channel, which exits on the W side of Austria

Sound near its S entrance, is apparently deep but should be navigated with caution. Coral shoals and islets are found in its SE part.

8.11 Austria Sound (South Entrance) (7°42'S., 158°29'E.)

opens between the W islet in the Barrier Islands and Retujivala Island. The bay is spacious, containing several islands separat- ed from the main island by a narrow continuous channel of varying depths, known as South Channel and Northwest Chan- nel. The entire area S of this bay is encumbered by coral shoals, and the passage between Barora Ite Island and Santa Isabel is accessible only to boats. Tidal currents here can be 5 to 7 knots. The best anchorage is situated in the S part of Austria Sound on the N side of the Barrier Islets, in a depth of 35m, 0.1 mile from Chislett Island (7°43'S., 158°30'E.), with the island bearing 090°.

8.11

The coast between the S entrance of Austria Sound to Port

Korigole SE is bordered by numerous islets on reefs. The pass- age between the islets and the coast are narrow and shallow. Port Allardyce (7°41'S., 158°39'E.) is formed and protected

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on the SE by a 30m high peninsula, and on the W by islets on a large reef. Its entrance, at least 300m wide between reefs, is deep and safe. Beacons standing on the main island, in line bearing 030.5°, lead through the harbor entrance. It is reported to be the only large vessel anchorage known and would be obtained in the middle of the harbor, in 44 to 49m. A small ves- sel will find excellent anchorage, in 15m, at the entrance of the cove on the SE side of the harbor.

8.11

Korigole Harbor (8°03'S., 158°58'E.) lies in the SE part of

the bay entered between Rob Roy Point, the W extremity of Finuana and Hujuai Point. Sharp Peak, a prominent hill, 485m high, located 8 miles E of Hujuai Point, is a good landmark when approaching Korighole Harbor. There is anchorage, in 13m, mud, with Rob Roy Point bearing 240°, distant 0.6 mile. 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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