The China Sea directory - Sabrizain.org

434 EHIO STRAIT, [chap. x.
Having passed Rifleman shoal, if the apex of Binan be not brought to
the northward of W. by N. the dangers which extend about three-quarters
of a mile from the north side of Missana will be avoided.
Standing to the Eastward, Lobaii Kechii should not be
approached nearer than half a mile, and Sau lighthouse in line with its
-west extreme will clear the west end of Isabella shoal, the southern part of
which will be avoided by not bringing Terkolei lighthouse eastward of
E. ^ N. Between Isabella shoal and Pankel, a vessel may stand into 8 or
9 fathoms, but in order to avoid Sore reefs do not bring Terkolei lighthouse
to the westward of N. by W. or the north end of Pankel to the southward
of S.S.E. Little Garras lighthouse open of the south-west extreme of
Pankel will lead clear of the shoal water extending N.N.W. from the north
part of that island ; its west side may be approached to 8 or 7 fathoms
shoal water extends from the south-west extreme, close to which are
13 fathoms water ; it should not be closed nearer than half a mile. The
apex of Loban open of the west extreme of Pankel, will lead clear of Dutch
shoal, and of the shoal bank of soundings south-eastward of Pankel ; this
mark will also lead to the westward of the shoal water—4 to 5 fathoms
which extends nearly 2^ miles southward of the Topics, and Siolon hill
open of South-west hill will lead to the southward. The shoal bank, just
mentioned, is not dangerous to small vessels which may stand nearer to
the Topics, but in order to avoid Rotterdam reef, South-west hill must be
kept open to the southward of Alligator island.
To the southward of the Topics, Alligator island may be approached to
half a mile, and a vessel may stand on well into the channel between
Siolon and Talang, but must not bring South-west hill to the westward of
W. by N,, to avoid Thomas shoal. There are many shoal patches between
Talang and Pulo Gin, but they all with the exception of Hendrik Jan rock,
lie out of the track of vessels. The south-east side of Talang should be
^iven a berth of at least 2 miles in passing, keeping South-west hill well
open of Talang, until Pulo Terobi bears E. by N.
To Rhio from the Southward.—Vessels bound to the
anchorage off Rhio, having entered the strait, see page 427, should steer
for Alligator island, and pass between it and the Topics, keeping within
one mile of Alligator island, to avoid the dangers which lie nearly one mile
south-eastward of the Topics. Having brought the eastern Topic to bear
West, and about a mUe distant, a N.W. by N. course will lead to the
entrance of the channel between Sore and Basing islands. In this track
the soundings about a mile off South-west hill are from 6 to 10 fathoms, and
half a mile south of Alligator island and between that island and the
Topics, from 8 to 9 fathoms. After having shaped a N.W. by N. course,
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