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Sector 4. The Kiribati Islands to the Marshall Islands

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109

Anchorage.—Beyond the reef, W of Betio, there is reported

to be a good anchorage. Vessels over 9.1m draft should anchor, in 27 to 36.6m, outside the reef near the entrance channel. In 1987, a good anchorage was reported, by a vessel drawing

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5.6m, to lie 2.3miles E of Betio harbor entrance, in depths of over 11m.

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Vessels may anchor almost anywhere along the lee side of

the atoll, but it is advisable to bring it up soon after striking soundings, as in places, especially S of the main passage and toward the N end of the atoll, the bottom shoals quickly and becomes foul.

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The principal anchorage is off Betio Island, where a vessel

drawing up to 9.1m can anchor 0.65 mile, bearing 029° from Betio boat harbor light. A cable area in which anchorage is prohibited extends off the docks at Betio.

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Directions.—Vessels should approach Tarawa Atoll from at

Betio Harbor—Wharf area

Tank vessels, with drafts up to 4m, normally anchor off the E mole, Med-moor, and discharge to floating hoses.

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A jetty projects 150m NNE from the head of E mole. A

wharf, operating four berthing faces 50 to 70m long, has a least depth of 5m alongside.

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Aspect.—The NE side of the atoll is over 19 miles long and

contains numerous other long, narrow islands lying on the reef. The W side of Tarawa Atoll consists mainly of submerged reefs lying near the N end, and Betio Island, about 16 miles S. The main passage into the lagoon is entered on this side, about 3.3 miles N of Betio Island. Tarawa Lagoon is extensive in area, but it contains numerous shoals and coral heads in its N and E parts. The lagoon is moderately sheltered, except from the W and NW. Between Betio Island and the SE extremity of the atoll, about 13 miles E, there are several long, narrow islands lying on the coral reef. This reef mostly dries at LWS.

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The water in Tarawa Lagoon always carries small particles

of coral in suspension. This cuts down underwater visibility greatly. Shoals and coral heads in depths of water that would in most lagoons permit their being seen with ease are invisible here.

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Four radio masts stand on the W end of Betio Island, while

another pair stand 5 miles ESE of the first group. Lights are shown from several locations within the lagoon.

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Pilotage.—Pilotage is not compulsory, but is recommended,

and is available in daylight only. Pilots should be ordered at least 48 hours in advance, confirming 24 hours prior to arrival. The boarding ground is about 1 mile W of Entrance Buoy No. 1 (1°24'N., 172°55'E.). The IALA Maritime Buoyage System (Region A) had been adopted in 1985 for Betio Lagoon.

In 1989, it was reported several buoys and beacons in the approaches were missing or temporarily replaced by drums or other marks.

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Signals.—The local authorities may be contacted via radio-

telephone, while the pilot may be reached on VHF channels 12 and 16. The port radio station in Betio has limited communica- tion ability, operating only on 6215.5 kHz and on VHF channel 16.

4.41 Marakei (2°01'N., 173°20'E.), in two parts, is an atoll

located about 17 miles NE of Abaiang, and contains a deep lagoon which is entirely landlocked at LW. From seaward, the island has the appearance of being land only. The island is 1.8

Pub. 126

least 2 miles to seaward of the entrance buoys, then head 109° for Bikeman Island beacon and pass through the entrance. To avoid passing shoals in the vicinity of Buoy No. 1 and Buoy No. 2, a vessel should keep to the port side of the track, about 0.1 mile. When Buoy No. 3 is abeam to starboard, course should be altered to bring Bairiki Island beacon in line bearing 150° with the beacon marking Vinstra Shoal. Vessels should then follow the track depicted on the chart.

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Caution.—Vinstra Shoal, with a depth of about 2m and

marked by a beacon, lies about 2.2 miles NNE of the W ex- tremity of Betio Island.

4.40 Abaiang Atoll lies about 6 miles N of Tarawa. The

land along its E side is continuous and wooded. On the NW side of the atoll there are several islands. Ribona Island (1°58'N., 172°52'E.) is the N, with Nanikirata Island (1°54'N., 172°47'E.) being at the W extremity, formed by a drying reef on which are several sand banks. Between the latter island and Bolton Point (1°43'N., 172°59'E.), the SW point of the atoll, the W side of the atoll is formed by a broken drying reef on which there are several islets. There are several boat passages on the SW side of the atoll.

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Bingham Channel (1°45'N., 172°58'E.), the main ship

channel, lies about 2.3 miles NW of Bolton Point. The entrance is about 0.3 mile wide, with a least depth of 2.7m about 0.2 mile within the entrance (1969). There are overfalls on both sides of the entrance. Within the lagoon, which is only partly surveyed, there are numerous shoals and drying reefs. There is a depth of 3.6m in the channel inside the lagoon. Beacons mark the channel to the anchorages off the villages.

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Anchorage.—There are no safe anchorages for large vessels

off Abaiang Atoll. Inside the lagoon, anchorage may be obtained, in a depth of 6.4m, about 0.5 mile SW of Taburao (1°49'N., 173°01'E.) flagstaff. Small coasters and copra vessels anchor off all the main villages. Landing can best be made at HW, when small boats can beach.

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Navigation within the lagoon is not recommended before

0800 or after 1600, or when the sky is overcast, since the reefs are not then clearly visible. 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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