Sailing Glossary

192 terms and definitions from the Compass Revision Network syllabus, covering nautical terminology, navigation, COLREGs, tides, and more.

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6 terms

Anchor bend
Knot specifically for securing anchor warp to the anchor ring. Tightens under load.Ropework
Anchor day shape
A single black ball displayed in the fore part of the vessel during daylight (COLREGs requirement).Anchorwork
Anchor watch
Monitoring the boat's position by transit, GPS, or depth sounder to detect dragging early.Anchorwork
Anchored vessel fog signal
Rapid bell ringing for 5 seconds every minuteRestricted Visibility
APEM
Appraise, Plan, Execute, Monitor — passage planning frameworkPassage Planning
Appraise phase
Gather weather, tides, charts, port info. Identify hazards. Assess crew.Passage Planning