Fall off - verb -When course is changed by wind
FeluccaSynonym of thin fast boat
FenderElastic equipment mounted on the boat sides to protect them
FetchIt indicates a zone where wind keeps the same speed and direction. It is measured in miles by starting from the coast which the wind comes from and in relation to its motion.
FigureheadDecoration located below the bowsprit
Fire extinguisherSystem made up of and under-pressure cylinder containing liquids, gas or powders to extuinguish fire
Fit out - verb -To prepare a boat before sailing off
Fitting outEquipments and systems installed on a boat to make it functional
Fix, ship's positionTo identify the ship's position on a map
FlagGenerally exposed on the stern, it indicates the boat's nationality. If abroad, the flag of the host country is exposed on the starboard shrouds. Other flags can be used to identify clubs or signals
Flatten - verb -To stretch in order to flatten the sail profile
Floating lineLine where the hull touches water
Floating pontoonA float used for making a temporary bridge.
FloodingBoard water inside the hull. It can be an intentional decision to increase stability or an accidental event
Flooring, cabin plankingThe floorings of a boat
Flooring, gratingFloor in the cabin,above the boat bottom
FlyingIt refers to a semi-standing rigging or equipment which can be used as a running rigging.
Flying jibSail above the jib, sometimes defined yankee. On ships with squaresails, it is the third stay sail on the bowsprit mast
FogCondensed water vapor in cloudlike masses lying close to the ground and limiting visibility (less than 1 Km, otherwise it is called haze)
FootropeCable slack along yards to lean on during sails collection
Fore and aft sailTrapezoidal mainsail supported by a spanker and fixed on a boom
Fore mastThe foremost mast
Fore royal sailYard and relative trapezoidal squaresail, at the top of the fore mast.
Fore stay sailTriangular sail between the mast and the jib
Fore topgallant sailYard and relative squaresail fixed on the foremast
ForestayShroud which supports the fore mast
Foxtrot.Term which represents ‚F‚ in the international phonetic alphabet.
Frame, ribPart of the hull which defines its shape
FrameworkGroup of ribs supporting the shell
FreeSailing before the wind
Free boardEmerged par of the hull. See also ‚deadwork
Fresh breezeWaves, breakers, sprays. Degree 6 in Beaufort Scale
FreshenIncrease in wind intensity
Full sternTo sail with the wind crushing into the stern; to follow a course in the same direction of wind .
Futtock, timberCurved parts of a ship hull. Elements where to place oars and to transfer push to the boat