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How to get compass error by sun

4 years ago • 4936 Views

True wind speed and direction calculation and plotting

4 years ago • 2949 Views

Speed over groud vs speed over water

4 years ago • 1331 Views

Classes of fire and how to extinguish them

4 years ago • 1073 Views

COLREGS 1972 (Understandable Version)

4 years ago • 3642 Views