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TermDefinition
- FogVisibility reduced to less than 1000 metres (approximately 0.5 nautical miles) Read more
- FoghornFog horns are used for sounding the appropriate sound signal whilst in restricted visibility Read more
- Folding PropellerA propeller with folding blades, furling to reduce drag on a sailing vessel when not in use Read more
- Following SeaSeas that are moving in the same direction as the vessel is heading Read more
- FootThe foot is the bottom edge of the sail. The foot is attached at either end by the tack and clew. The mainsail foot may also run through a(...) Read more
- Fore-and-aftParallel line between the stem and stern Read more
- Fore TriangleArea between mast and forestay. Read more
- ForedeckThe part of the deck that is forward of the mast and coachroof Read more
- Forehatch A hatch, usually in the foredeck Read more
- ForepeakThe most forward compartment in the bows of the vessel Read more
- ForesailThe headsail set on the forestay Read more
- ForestayThe stay from high on the mast to the stemhead providing fore-and-aft support for the mast Read more
- ForwardToward the bow of the vessel (pronounced “forrard”) Read more
- FoulThe opposite of clear; Adverse (wind or tide); Unsuitable Read more
- Foul AnchorAn anchor whose flukes are caught on an obstruction on the seabed or tangled with the cable Read more
- Phonetic Alphabet Foxtrot Phonetic alphabet letter F. In marine terminology, "Foxtrot" refers to the letter "F" in the NATO phonetic alphabet. This alphabet is used to(...) Read more
- Phonetic Alphabet Foks Trot Phonetic alphabet letter F. In marine terminology, "Foxtrot" refers to the letter "F" in the NATO phonetic alphabet. This alphabet is used to(...) Read more
- FreeboardThe vertical distance between the waterline and the top of the deck Read more
- Fuel collar A Fuel collar is designed to fit around a refuelling hose to prevent any spillage or backsplash. This protects your boat and the environment. Read more
- Full RudderThe maximum angle to which the rudder can be turned Read more