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Sector 9. The Bismarck Archipelago

former point, about 6 miles SW of the NE entrance point of Montagu Harbor, has a reef on which the sea breaks heavily, extending 183m S from it. Roebuck Point is 50m high, flat, and backed by some conical peaks. Extending E and NE for a distance of 0.6 mile from the point is a reef on which the sea breaks heavily. A small mangrove-covered islet lies close with- in the N extremity of this reef. An islet stands on a reef, about 1.5 miles E of Roebuck Point.

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Anchorage can be taken by small vessels with local know-

ledge, in 3 to 4.5m, in the SW part of Vahsel Harbor. Vessels approaching the harbor should pass N of the mangrove-covered islet, and not less than 0.15 mile off it because of its fringing reef.

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Fulleborn Harbor, entered about 8 miles WSW of Roebuck

Point, is bounded on the E by Cape Schirlitz, conspicuous for its flatness. A large reef, which breaks heavily, divides the en- trance into two channels; the E channel is reported as being deep. Anchorage can be taken in moderate depths in either of the coves at the head of the harbor.

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Linden Harbor, between the mainland and several off-lying

islands connected by reefs, affords anchorage, in 29 to 37m. There are five entrances into the harbor, the W of which has a depth of 7.3m. Some of the channels are very narrow. The edges of the reefs are steep-to, as is the shore of the mainland in the E part of the harbor. Coconut plantations line the shore of the harbor.

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Thilenius Harbor (Gasmata), about 8 miles W of Linden

Harbor, is sheltered by a chain of islands, within which are several islets and reefs. The E entrance is the main entrance. Ablingi Harbor, entered between Awob Point and Cape

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Kablungu, 5 miles WSW, is open to S winds. The latter point is precipitous and about 30m high. A river discharges into the head of the harbor. A reef extends from Awob Point; close S of the point is Ablingi Island. A light is shown on the S side of Ablingi Island.

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Anchorage.—Anchorage can be taken by vessels with local

knowledge, in 4.5 to 9.1m, on the W side near the head of the harbor. The anchorage is protected from the S by a projecting point.

9.43 Luschan Harbor (6°18'S., 150°01'E.), entered W of

Cape Kablungu is open to SW. It affords anchorage, in 28m, S of the entrance of the Johanna River.

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Between Luschan Harbor and Cape Bali (6°19'S.,

149°41'E.), the coast is indented by some open coves and is fronted by numerous islands and reefs to within 3 miles of the shore. The latter point is high and has round thickly-wooded projections. Cape Bali is reported to be a poor radar target from 27 miles. About 10 miles W of Cape Bali and about 4 miles offshore are the Aweleng Islands, which are low. Breakers have been reported to the N of these islands.

Mowe Harbor, entered about 9 miles NW of Cape Bali, is protected by three high islands, inside which are several small coral patches which may easily be avoided. A reef, with rocks above water, is close SE of Geglep Island, the SE island. Alau Passage, N of Ganglo Island, the N island, is considered to be the best entrance. It presents no difficulty as the reef fringing the NW end of the island shows clearly. Anchorage can be taken in the N part of the harbor, W of Ais Island, in 10 to 22m.

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9.44 Arawe Harbor (6°09'S., 149°02'E.) is located between

Cape Merkus, on the N and E, Pilelo Island, on the S, Arawe Island, on the SW, and by Ausak Island and Kumbun Island, on the W and NW. The cape is fringed by a drying reef which extends about 0.1 mile SW. The shore NW of the cape is also fringed by reefs and fronted by several detached reefs. There are three en- trances to the harbor, one N of Pilelo Island, and the others E and W, respectively, of Arawe Island. A small jetty is about 0.3 mile N of Cape Merkus.

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Pilelo Island, 44m high, is fringed by a narrow reef. It lies S

of and is separated from Cape Merkus by a deep channel which is about 0.4 mile wide.

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Arawe Island and Ausak Island, separated by Kumbun Pass-

age, are fringed by reefs. The latter island is connected by reef on its S side to the E end of Kumbun Island.

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Caution.—A reef lies 0.5 mile E of the N end of Arawe

Island. A 7.3m shoal lies 0.5 mile W of the jetty. A 3.7m patch lies N of this shoal, about 0.5 mile WSW of the jetty. A reef lies 135m WNW of the jetty. A larger reef lies about 0.2 mile WNW of the jetty.

A 9.1m depth lies about 411m W of the jetty. A foul area extends 183m off the N side of the E end of Arawe Island. Between Cape Merkus and Cape Bushing (5°50'S.,

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148°34'E.), the coast is fronted by the Arawe Islands and some off-lying reefs. Several bays, with small rivers entering them, indent this coast. The points separating the bays are of mod- erate height and appear as islands from a distance. Cape Peiho (5°56'S., 148°45'E.) is a prominent headland.

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Caution.—The waters off the W coast and off the W part of

the S coast of New Britain have not been completely surveyed. Dangers other than those charted may exist.

Dampier Strait

9.45 Vitiaz Strait, which is described in Pub 164, Sailing

Directions (Enroute) New Guinea, should be used in prefer- ence to Dampier Strait.

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Dampier Strait is about 13 miles wide between Grass Point,

the W extremity of New Britain, and Cape Umboi, the E end of Umboi Island. There are many dangers in the S part of the strait, but there are deep channels which can be navigated un- der favorable conditions of light.

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Whirlwind Reef, in the N approach to Dampier Strait, about 44

miles NNW of Cape Glouchester, consists of a sand cay which dries 0.3m standing on the N edge of a reef. The latter is about 2 miles long and has the shape of a horseshoe. Some rocks, from 0.3 to 0.6m high, are about 3 miles N of the sand cay.

In 1989, Whirlwind Reef was reported to lie 1.25 miles NE, and the rock 1.5 miles E of their respective charted positions. Between Cape Bushing and Grass Point, the coast is fringed by a narrow reef. The E part of this coast is fronted by several

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Pub. 126

251

The islet is located close off the E shore, about 1 mile ENE of the NW of the of Ganglo Island.

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Between Mowe Harbor and Cape Merkus, the coast is indented

by a wide bight. A number of small rivers flow out through this coast which is from 91 to 122m high. Some reefs and islets are close off the NE corner of the bight. The Pulie River, which discharges between two hills located about 8 miles NE of the cape, causes discoloration of the water as far W as the cape. 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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