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Under-Keel Clearance
Also known as: UKC
Definition
The depth of water between the bottom of the keel and the seabed. Depth of water minus draught.
See it in practice
More Navigation terms
Where Under-Keel Clearance comes up in the course
Free theory lessons that use this term in context.
- OOW UnlimitedPosition Fixing, Compass Errors and Tides
- OOW UnlimitedPassage Planning: Appraise, Plan, Execute, Monitor
- Day SkipperCourse Plotting and Tidal Navigation
- OOW UnlimitedECDIS, AIS and Electronic Navigation
- OOW UnlimitedShiphandling, Manoeuvring and Anchoring
- Competent CrewCharts, Buoys, and Compass