Guide to Port Entry - Book explained
15:52
NP 136 (OPW) OCEAN PASSAGES FOR THE WORLD - Explained
14:06
Tidal Stream Prediction Calculation using Admiralty Tide Table
15:41
Echo Sounder - Principles and Operation.
23:33
ECDIS explained. Used Type - TOKYO KEIKEI EC-9000 Part 1/4
23:32
W BOUND PASSAGE PLANING IN SINGAPORE STRAIT by piyushan #singaporestrait #malaccastrait
6:41
NP 133A - Chart Correction Log (Explained: Contents and How to use)
14:25
Compass Error Calculation - Azimuth
7:38