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TermDefinition
- Port BowThe port (left) side of the vessel close to the bow (front) Read more
- Port of RegistryThe port listed in a vessel’s registration documents and lettered on her stern Read more
- Port QuarterThe back (stern) left (port) side of the vessel Read more
- Port TackSailing with the wind on the port side and the sails set on the starboard side Read more
- PortholeAn aperture on the hull of a vessel that admits light and, sometimes, air Read more
- Portland Plotter Useful navigation tool for measuring bearings and drawing lines on the chart. Read more
- Plotter Useful navigation tool for measuring bearings and drawing lines on the chart. Read more
- Position Dilution of Precision Position Dilution of Precision (PDOP) measures the geometric strength of satellite configuration in a Global Navigation Satellite System (GNSS)(...) Read more
- PDOP Position Dilution of Precision (PDOP) measures the geometric strength of satellite configuration in a Global Navigation Satellite System (GNSS)(...) Read more
- Weather (Meteorology) Precipitation Precipitation refers to any form of water, such as rain, snow, sleet, or hail, that falls from the atmosphere to the Earth's surface. This can(...) Read more
- Prevailing WindThe wind direction that occurs most frequently at a place over a certain period Read more
- PreventerA line rigged from the end of the boom to the bow in heavy weather to prevent an accidental gybe Read more
- Propeller WalkTendency for a propeller to push the stern sideways. In theory a right hand propeller in reverse will walk the stern to port. Read more
- PulpitThe pulpit is a strong set of rails at the bow. It is joined to the guardwires and provides protection for crew working at the wet end of the vessel. Read more
- PushpitThe pushpit runs around the stern of the vessel. It is very strong and connects to the end of guardrails providing a continuous safety line(...) Read more
- PyrotechnicAny type of rocket or flare used for signalling Read more
- Q FlagYellow flag flown from starboard spreaders or flagstaff when entering a foreign port (or Channel Isles) requesting customs clearance. Don’t(...) Read more
- Quarter Berth A single bunk tucked under the cockpit. Usually found in smaller boats where there is no room for a cabin in this location. Read more
- Phonetic Alphabet Quebec Phonetic alphabet letter Q. Health Status: When a vessel displays the Quebec flag, it communicates that the vessel is reporting its health(...) Read more
- RaceA strong tidal stream Read more