The Indonesian Pilot volume 1 covers the following areas:
- the west coast of Java,
- the north Coast of Java eastwards to Tanjung Bendoh and the south and east coasts of Sumatera.
- It also covers Selat Sunda, Selat Bangka, Selat Gelasa and Selat Karimata;
- the south and west coast of Kalimantan from Puting to Pulau Pontianak;
- Pulau-pulau Badas and Tambelan, Pulau-pulau Lingga and Riau,
- with the various routes leading to Singapore and South China Sea.