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Tag Archives: UKC

under keel clearance

Under Keel Clearance

A change in draught may arise during a voyage due to factors such as cargo and ballast changes as well as sea water density, and dynamic factors such as squat, pitch /roll etc. These factors should be considered in the appraisal and appropriate figures calculated

ECDIS Contour Setting depth

Safety Contour = Dynamic draft + Minimum Net UKC requirement – Height of tide Shallow Contour = One Contour less than Safety Contour 1. Why Height of Tide is being subtracted from the Safety Contour depth?   Why it is not added, as we do for