Glossary
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TermDefinition
- General Nautical Terminology Angle of Vanishing Stability (AVS)
The Angle of Vanishing Stability (AVS) refers to the maximum angle at which a vessel can heel (lean to one side) before it loses its ability to...
More Details - General Nautical Terminology AntifoulPaint applied to hull below waterline to discourage dirt and wildlife attaching and slowing your progress. Has environmental implications
- General Nautical Terminology, Navigation APEM... More Details
- General Nautical Terminology Apparent WindThe wind we feel. If the true wind is hitting the boat on the beam or in front of the beam the apparent wind will be situated between the boat... More Details
- General Nautical Terminology, Navigation Appraise, Plan, Execute, Monitor (APEM)... More Details
- Organisation ASA
A US-based organisation that provides sailing education, certification, and accreditation for sailing schools and instructors.
The American...
More Details - General Nautical Terminology AshoreOn the land; or aground
- General Nautical Terminology AsternThe area behind the stern (back) of the vessel
- Nautical Saying At loggerheads
At loggerheads is a nautical term referring to two ships positioned with their respective loggers (wooden blocks used for securing the ship's...
More Details - Flag Semaphore Attention (Flag Semaphore)
This shape is used to gain the receiver's attention and is used at the beginning of a transmission. The message recipient responds with the...
More Details - General Nautical Terminology Automatic Identification System (AIS)
A maritime communication system that automatically transmits and receives vessel information such as position, speed, and course to enhance...
More Details - General Nautical Terminology Autonomous Underwater Vehicle (AUV)
An Autonomous Underwater Vehicle (AUV) is a self-propelled, unmanned underwater vehicle capable of operating independently without direct human...
More Details - General Nautical Terminology AutopilotEquipment that allows the boat steer a course automatically using either compass bearing or a course relative to wind direction
- General Nautical Terminology AUV
An Autonomous Underwater Vehicle (AUV) is a self-propelled, unmanned underwater vehicle capable of operating independently without direct human...
More Details - General Nautical Terminology AuxiliaryA term for a saying a boat that has auxiliary power, i.e. an engine
- General Nautical Terminology AVS
The Angle of Vanishing Stability (AVS) refers to the maximum angle at which a vessel can heel (lean to one side) before it loses its ability to...
More Details - General Nautical Terminology AwashLevel with the surface of the water which just washes over an object