ADMIRALTY Sailing Directions NP30 China Sea Pilot Volume 1, 12th Edition, 2021.
The West Side of the South China Sea from Tanjung Lompat on the Eastern Side of Peninsular Malaysia to Zhelang Yan in China; Pulau-Pulau Anambas, Hainan Dao, and the Islands and Banks bordering the main route from Singapore Strait to Hong Kong.
Updated to NM Week 50/20 (10/12/20).
First updates in NM week 11/21.
NP30 (2018) Edition 11 is cancelled.
Republished at approximately 3 yearly intervals.