, a low and wooded islet, lies about 7 miles WNW of Tanjung Buku, it is located on a shoal, which, under the depth of 9.1m, extends 2 miles SE, 1 mile N, and about 0.7 mile off either side. Oekol (Pulau Ukol), located about 0.5 mile W of the S end of Pulau Serak, lies on this shoal, as do also several rocks, both awash and above-water.
Pulau Pengelap, low and wooded, lies about 2.7 miles NNE of Pulau Serak, on the E edge of a reef which is steep-to, extending 2 miles NW and 1 mile SE; the islet is surrounded by rocks and stones and is overgrown with vegetation. Shoal depths of 5.9 and 8.7m, lie, respectively, 2.3 miles W and 3.5 miles NW of Pulau Pengelap.
Pulau Posik (NW Pulau Singkep)
Posik is the central and principal island of a group which lies off the NW side of Pulau Singkep, and is separated by Selat Sebayur.
Other islands in the vicinity of Posik include Bandahara, Sempeng, Rusukbuaya (Roesoek Boeaja), Nibung, Pajang, and Noja, as well as smaller islets ...
26 Feb 12