Fairlead - A fitting through or over which a rope, line, etc., maybe led so as to change its direction without excessive friction.
Category: - Maritime

Fathom - Nautical unit of depth equal to six feet
Category: - Maritime

Fathometer - A device to measure the depth of water, by timing the travel of a sound wave from the ship to the ocean bottom and return. a.k.a. Sounder.
Category: - Maritime

Fat Line - Raster representation of a line that is more than one pixel wide.
Category: - GIS

Feeder - A grain container or reservoir constructed around the hatchway between two decks of a ship which when filled with grain automatically feeds or fills in the vacant areas in the lower holds.
Category: - Maritime

Fender - A portable device to protect a ship when bumping a pier; sometimes made of wood, rope, etc.; permanently installed extension which protects the hull of a ship in docking.
Category: - Maritime

FEU - Forty Foot Equivalent Units (Containers).
Category: - Maritime - Acronym

Field - The contents of one attribute for one record, as written in a file.
Category: - GIS

Figurehead - A carved figure or bust on a ships prow.
Category: - Maritime

Fireman - An unlicensed member of the engine, room staff whose duties consist in standing watch in the boiler room and insuring the oil burning equipment is working properly.
Category: - Maritime