Admiralty distance tables indian ocean volume2

74 N of TieGrande Comore, Aldabra Group and Bird Island, and through Eight Degree Channel.. S of Astove Island, and through One and Half Degree Channel.. 85 Between TiesAnjouan and Mayot

This first edition of Admiralty Distance Tables-Indian Ocean has been prepared by Lieutenant Commander

C J de C Scott, RN, and contains distance tables for the Indian Ocean and part of the Southern Ocean from South Africa to New Zealand, Red Sea, Persian Gulf and Eastern Archipelago The tables have been compiled from the latest information in the Hydrographic Department, the distances have been completely re-worked, the areas re-arranged and the information presented in a different format from previous volumes of Admiralty

Distance Tables.

The following volumes, or portions, of Admiralty Distance Tables are superseded.

Volume II 3rd Edition 1949 Volume III 3rd Edition 1950

D W Haslam Rear-Admiral Hydrographer of the Navy

General Note on Table in this Volume xxii

Table1a Indian Oceanfrom Capeof Good Hope-Strait of Hormuz-Arabian Sea-Bay of Bengal-Arafura Sea-Torres

Table1b West side of Indian Ocean between Cape of Good Hope Strait of Hormuz and Cape Leeuwin ports in

Table 4 EasternArchipelago 39

Table 5 SeasonalRoutes 47

Sa South Africa and off-lying islands ( ) West and south coastsof Australia 47

LIST OF DIAGRAMS

Page

Index Chart 2-Red Sea

}

Index Chart 4-Eastern Archipelago

Index Chart 5-Seasonal Routes-North-west Australian Approaches

ADMIRALTY DISTANCE TABLES

INTRODUCTION

1 Selecting a route The routes used for distances in these tables, which are the shortest routes, are not necessarily

the quickest or most suitable for a particular passage: other routes may offer more favourable currents or conditions of

sea, swell or weather The choice of the best route is described in Ocean Passages for the World and the various

volumes of Admiralty Sailing Directions: Routeing Charts show the principal commonly-used routes Essential to this choice, is a knowledge of the shortest distance between the point of departure and destination, which can then be modified as circumstances require It is these shortest navigable distances which are given in these tables.

Where traffic separation schemes exist, they have not necessarily been followed.

2 Terminal positions The geographical positions of the places tabulated, together with those of places mentioned

in the notes, will be found in the Gazetteer.

Most of the terminal positions are pilot grounds or anchorages given in Admiralty Sailing Directions, but some are positions on the most commonly-used tracks in the entrances to large ports, rivers, or inlets containing a number of ports Consequently the named terminal position in the tables may be an appreciable distance from the place after which it is named, or from the ship's actual berth.

3 Depths Where routes are available for ships drawing 10m, they have been used for the distances in the tables.

Where there is not this depth, such as in harbour approaches or where there are off-lying shoals, the deepest recommended channels have been used.

4 Distances in the tables are given in International Nautical Miles (See paragraph 7b.)

5 Notes on routes and distances. Each table is preceded by a list of notes applicable to certain distances in that table The small figures below the distance figures in the table refer to the notes.

vii

INDIAN OCEAN

TABLE 1a

1

63 S of Fungu Kizimkazi, N of Cosmoledo Group and S of Farquhar Group, and passing 30 miles NW of Tryal Rocks.

64 E of Zanzibar Island If through Nand S Mafia and Zanzibar Channels, add 18.

65 E of Zanzibar Island If through Zanzibar Channel, add 1.

66 E of Zanzibar Island and W of Pemba Island.

67 N of Pemba Island.

68 S of Pemba Island.

69 S of Pemba and Saint Fran~ois Islands.

70 N of Pemba and African Islands and between Pitt Bank and Egmont Islands.

71 Waf TieGrande Comore.

72 N of Jle Grande Comare and S of Zelee Bank.

73 N of Jle Grande Comore, Aldabra Group and Bird Island.

74 N of TieGrande Comore, Aldabra Group and Bird Island, and through Eight Degree Channel.

75 Either N of TieGrande Comore and S of Maha Island, or N of Aldabra Group, African and Maha Islands.

76 Between Jles Grande Comore and MohelL

77 Between Jles Grande Comore and Mohali and S of Astove Island.

78 Between TiesGrande Comore and Moheli, S of Astove Island, and N of Providence and Coetivy Islands.

79 Between TiesGrande Comore and Mohali S of Astove Island, and through One and Half Degree Channel.

80 Between Jles Grande Comore and Mohali, and between Cert Island and Farquhar Group.

81 Between TiesMoheli and Anjouan.

82 Between TiesAnjouan and Mayotte.

83 Between JlesAnjouan and Mayotte and between Assumption Island and Cosmoledo Group.

84 Between lies Anjouan and Mayotte, S of Astove Island, N of Alphonse Island and S of Frigate Island.

85 Between TiesAnjouan and Mayotte, S of Astove Island, N of Alphonse Island, S of Frigate Island, and through Eight

Degree Channel.

86 Between TiesAnjouan and Mayotte, and N of Cosmoledo Group.

87 S of Jle Mayotte, Geyser Reef and Farquhar Group.

88 S of Jle Mayotte, Geyser Reef and Farquhar Group, and through One and Half Degree Channel.

89 S of JleMayotte, Geyser Reef and Farquhar Group, through Equatorial and Ten Degree Channels, and between Tenasserim

and Freak Islands.

90 E of Jle Mayotte and between Assumption Island and Cosmoledo Group.

91 E of Jle Mayotte, W of Zelee Bank, and E of Astove Island.

98 Between Assumption Island and Cosmoledo Group.

99 Between Assumption Island and Aldabra Group.

100 N of Cosmoledo Group.

101 N of Cosmoledo Group and S of Houtman Abrolhos.

INDIAN OCEAN-TABLE 1a

3

102 W of Cosmoledo Group.

103 Between Cosmoledo Group and Astove Island, and between Cerl Island and Farquhar Group.

104 Between Cosmoledo Group and Astove Island, and W of Zelee Bank.

105 S of Astove Island and Farquhar Group.

106 S of Farquhar Group.

107 Between Wizard Reef and Providence Island.

108 Between Wizard Reef and Providence Island, and S of Mahe Island.

109 Between Wizard Reef and Providence Island, and through position 14030' S, 121030' E.

110 Between Wizard Reef and Providence Island, S of Algalega Islands and passing 30 miles NW of Tryal Rocks.

111 E of Wizard Reef and Albatros Island.

112 W of Saint Pierre Island.

113 Betwe~n Cerl Island and Farquhar Group.

114 Between Cerl Island and Farquhar Group, and E of Frigate Island.

115 Between Cerl Island and Farquhar Group, and through Eight Degree Channel.

116 E of Farquhar Group and Frigate Island.

117 S of Farquhar Group and through Eight Degree Channel.

118 S of Saint Franc;:oisIsland.

119 S of Amirante Isles.

120 S of Amirante Isles and through One and Half Degree Channel.

121 Between Amirante Isles and Alphonse Island.

122 Between Amirante Isles and Alphonse Island, and N of Platte Island.

123 Between Amirante Isles and Alphonse Island, and S of Coetivy Island.

124 Between Amirante Isles and Alphonse Island, and between Egmont Islands and Great Chagos Bank.

125 Between Amirante Isles and Alphonse Island, and S of Addu Atoll.

126 W of Alphonse Island.

127 S of Alphonse and Coetivy Islands.

128 N of Alphonse Island and S of Mahe Island.

129 N of African Island.

130 W of African Island.

131 Between African Island and Owen Bank.

132 Between African Island and Owen Bank and S of La Perle Reef.

133 Between African Island and Owen Bank and E of Mauritius.

134 S of Reith Bank.

135 N of Bird Island.

136 N of Bird Island and S of Wight Bank.

137 N of Bird Island, S of Wight Bank and S Keeling Island, and through position 14030' S, 121030' E.

138 N of Bird Island and through Selat Siberut.

139 Between Bird and Denis Islands.

140 Between Bird and Denis Islands, between Mahe Island and Brisans Rocks, and E of Mahe Island.

141 E of Denis Island.

142 NE of Seychelles Group.

143 S of Praslin Island.

4

144 S of Praslin Island and through One and Half Degree Channel.

145 S of Praslin Island and through Equatorial Channel.

146 Between Frigate and Praslin Islands.

147 E of Frigate Island.

148 S of Frigate Island and N of Speakers Bank.

149 S of Frigate Island, between Pitt Bank and Egmont Islands, and S of Pulau Sumba.

150 S of Frigate Island, and between Egmont Islands and Great Chagos Bank.

151 S of Frigate Island, between Pitt Bank and Egmont Islands, S of Pulau Sumba, through Selat Roti, and N of Sunset

Shoal If S of Frigate Island, Wight Bank and Pulau Roti and N of Sunset Shoal, add 19.

152 Either S of Frigate Island, between Pitt Bank and Egmont Islands, S of Pulau Sumba, through Selat Roti, N of Sunset

Shoal and S of Duddell Shoal or S of Frigate Island, through Osborn Passage, and N of Melville Island: if through

Clarence Strait, add 27 If S of Frigate Island, Wight Bank and Pulau Roti, N of Sunset Shoal and S Qf Duddell Shoal,

158 E of Agalega Islands and fie Tromelin.

159 E of Saya de Malha Bank.

160 Either E or W of Cargados Carajos Shoals.

161 W of Cargados Carajos Shoals.

162 S of Cargados Carajos Shoals.

163 S of Cargados Carajos Shoals and Diego Garcia, and through Manners Strait.

164 S of Cargados Carajos Shoals and Diego Garcia, between Car Nicobar and Batti Malv, and between Tennasserim and

173 Between Mauritius and Abbe Bank.

174 Between Mauritius and Abbe Bank, and S of Rodriguez Island and Pulau Sumba.

175 Between Mauritius and Abbe Bank, and S of Rodriguez Island and Kepulauan Sawu.

180 Between Pitt Bank and Egmont Islands, between Great Chagos Bank and Diego Garcia, and S of Rowley Shoals

181 Between Egmont Islands and Great Chagos Bank.

182 Between Great Chagos Bank and Diego Garcia.

183 Either between Great Chagos Bank and Diego Garcia, or NW of Great Chagos Bank.

184 E of Great Chagos Bank.

185 W of Great Chagos Bank and Maldive Islands.

186 W of Maldive Islands and E of Kiltan.

187 W of Great Chagos Bank, Maldive Islands and Lakshadweep.

188 S of Diego Garcia.

189 N of Speakers Bank.

190 N of Speakers Bank and Keeling Islands.

191 N of Speakers Bank, S of Pulau Sumba, through Selat Roti, and N of Sunset Shoal; if S of Pulau Roti, add 21.

192 N of Speakers Bank, S of Pulau Sumba, through Selat Roti, N of Sunset Shoal and S of Duddell Shoal; if S of Pulau

Roti, add 13.

193 N of Speakers Bank and through position 14·30' S, 121·30' E.

194 N of Socotra.

195 N of Socotra, through One and Half Degree Channel, and N of Rowley Shoals; if through Eight Degree Channel,

add 11 ; if through Kardiva Channel add 17.

196 N of Socotra and through Eight Degree Channel.

197 N of Socotra and through Eight Degree Channel; if through Kardiva Channel, add 12.

198 N of Socotra and through Eight Degree Channel; if through Kardiva Channel add 18.

210 Between Suheli Par and Kavaratti Island.

211 Through Nine Degree Channel.

212 Through Eight Degree Channel.

213 Through Eight Degree Channel If through One and Half Degree Channel add 2 If through Kardiva Channel add 4.

214 Through Eight Degree Channel If through Kardiva Channel, add 4 If through One and Half Degree Channel, add 8.

215 Through Eight Degree Channel If through Kardiva Channel add 17 If through One and Half Degree Channel, add 19.

216 Through Eight Degree Channel If through Kardiva Channel, add 20.

217 Through Eight Degree Channel and Osborn Passage; if through One and Half Degree Channel, add 1; if through

Kardiva Channel, add 4.

218 W of Maldive Islands.

6

219 Either E or W of Maldive Islands.

220 E of Maldive Islands If W of Maldive Islands, add 6

221 Through Kardiva Channel If through Eight Degree Channel, add 11

222 Through Kardiva Channel If through Eight Degree Channel, add 19

223 Through Eight Degree Channel If through Kardiva Channel, add 25

224 Through Kardiva Channel If through Eight Degree Channel, add 30

225 Either through Kardiva Channel or through One and Half Degree Channel

226 Through Kardiva Channel If through One and Half Degree Channel, add 7

227 Through Kardiva Channel If through One and Half Degree Channel, add 12

228 Through Kardiva Channel If through One and Half Degree Channel, add 16 If through Eight Degree Channel, add 28

229 Through Kardiva Channel If through One and Half Degree Channel, add 18

230 Through Kardiva Channel If through One and Half Degree Channel, add 22 If through Eight Degree Channel, add 45

231 Through Kardiva Channel If through One and Half Degree Channel, add 43

232 Through Kardiva Channel and E of Cargados Carajos Shoals If through Eight Degree Channel and W of Cargados Carajos

Shoals, add 15

233 Through One and Half Degree Channel

234 Through One and Half Degree Channel If through Eight Degree Channel, add 3 If through Kardiva Channel, add 7

235 Through One and Half Degree Channel If through Eight Degree Channel, add 4 If through Kardiva Channel, add 10

236 Through One and Half Degree Channel If through Eight Degree Channel, add 19 If through Kardiva Channel, add 17

237 Through One and Half Degree Channel If through Kardiva Channel, add 31

238 Either through One and Half Degree Channel or through Equatorial Channel

239 Through Equatorial Channel

240 Through Equatorial and Ten Degree Channels, and between Tenasserim and Freak Islands

241 Between Fua Mulaku and Addu Atoll

242 W of Addu Atoll

243 S of Addu Atoll

244 E of Maldive Islands

245 W of Andaman and Nicobar Islands

246 W of Andaman and Nicobar Islands, Kepulauan Kokos, Pulau Pulau Mentawi, and Pulau Enggano

247 Through Preparis North Channel

248 Through Preparis South Channel

249 Through Preparis South Channel and E of Andaman and Nicobar Islands

250 Through Preparis South Channel and W of Kepulauan Kokos, Pulau Pulau Mentawi and Pulau Enggano

251 Through Coco Channel

252 Through Coco Channel and S of Sir Hugh Rose Island If through Diligent Channel, subtract 13

253 Either through Coco Channel and S of Sir Hugh Rose Island, or through Manners Strait If through Diligent Channel,

subtract 13

254 Either S of Sir Hugh Rose Island or through Diligent Channel

255 S of Sir Hugh Rose Island If through Diligent Channel, subtract 4

256 S of Sir Hugh Rose Island If through Diligent Channel, subtract 11

257 Through Manners Strait

INDIAN OCEAN-TABLE 1a

7

376 Passing30 miles NW of Tryal Rocks.

377 Through Geographe Channel.

INDIAN OCEAN

TABLE 1b

RED SEA

TABLE 2

RED SEA-TABLE 2

Routes. Apart from distances to Massawa, which have been measured through North or South Massawa Channels,distances are by offshore routes and not by the channels which run inshore of the reefs fringing many parts of the coast oneither side of the Red Sea

Notes

1 Distances in the table are given to a position at the seaward end of Newport Rock Channel in the entrance to Suez Bay.The distance from this position through Suez Canal to the position at the seaward end of the buoyed channel off PortSaid, given inAdmiralty Distance Tables-Atlantic, Table IlIb, is 99 miles

2 E of Suak.in Group

3 S of Seven Fathom Banks

4 S of Seven Fathom Banks, Zubair Islands and Risha Islet

5 Through Abu Ail Channel

6 Through Abu Ail Channel or W of The Haycocks

7 E of Abu Ailor W of The Haycocks

8 W of The Haycocks

9 Passing N of Schermo

PERSIAN GU LF

TABLE 3

4 Between Sassan and Rostam Oilfields.

5 Between Rostam and Fateh Oilfields

6 NE of Fateh Oilfield

7 N of Ruqq az ZaqqTIm and Jazlrat az ZarakkTIh

8 Between Jazlrat al Oarnayn and Jazlrat az ZarakkTIh and N of Fateh Oilfield: if S of Fateh and Mubarek Oilfields, add 4

9 Between Jazirat al Oarnayn and Jazirat az ZarakkTIh and either N or S of Fateh and Mubarek Oilfields

10 Between Jazlrat al Oarnayn and Jazirat az ZarakkTIh and N of Creagh Shoal

11 Between Jazirat al Oarnayn and Jazirat Arzanah

12 Between Jazlrat al Oarnayn and Jazirat Arzanah, and between AI 'Idd ash Sharqi and Mahazam

13 Between Jazlrat al Oarnayn and Jazlrat Arzanah, between AI 'Idd ash Sharqi and Mahazam, W of Jazirat HaITI! and

E of AI Farislyah, and Feridoon and Hout Oilfields

14 E of Rakhsh Oilfield

15 E of Rakhsh Oilfield, W of Abu AI Bu Khoosk Oilfield, between Jazlrat Oarnayn and Jazirat az ZarakkTIh and N of

Creagh Shoal

16 E of Umm Shaif Oilfield

17 N of Umm Shaif Oilfield If S of Umm Shaif, Fateh and Mubarek Oilfields, add 4

18 Either N or S of Umm Shaif, Fateh and Mubarek Oilfields

19 N of Jazlreh-ye Nabl FarTIrand Jazlreh-ye Tanb-e Borzorg

20 Either N or S of Jazlreh-ye Nabl FarTIrand Jazlreh-ye Tanb-e Borzorg

21 Either N or S of Jazlreh-ye Nabl FarTIr,Jazlreh-ye Tanb-e Borzorg and Jazlrat HaiTI!

22 N of Jazlrat HalTIl

23 E of Jazlrat HaITII

24 W of Jazirat HaITII

25 W of Jazlrat HaITIIand E of AI Farislyah

26 Between AI 'Idd ash Sharql and Mahazam

27 Between AI 'Idd ash Sharql and Mahazam and W of Jazlrat HaITII

28 E of Rennie Shoals

29 E of AI Farislyah

30 E of AI Farislyah, Feridoon and Hout Oilfields

31 E of Feridoon and Hout Oilfields