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 TB 55-1900-232-10
rope A thimble is often used in the loop
Fairlead
Metal fittings which lead lines m the direction desired.
Fairlead chock
A chock with a roller(s) installed to lead a line to a bitt or cleat
Fake (faked down)
To lay out a line lengthwise in long, flat bights, so that when needed, it will pay out freely.
Falling off
Drifting away from a desired position, direction or course.
Fatigue
The tendency for materials or devices to break under repeated (cyclic) loading
Fetch
The distance a wind blows over the sea surface without a significant change of direction. A factor in the buildup of
waves
"Fish hooks"
Outer wires of wire rope that break and cause short ends to project from the rope; a sign of wire rope deterioration.
Flounder plate
A triangular steel plate to which chain bridle legs are connected, sometimes called "fish plate."
Freeboard
The distance from the weather deck to the water's edge
Free-running speed
Unencumbered speed of a tug.
Free-spooling
To pay out scope by releasing the brake and allowing the towing drum to rotate as a result of the drag of the tow,
with the tow motor disengaged.
Freshening the nip
Paying out or hauling in the hawser to move the contact point m order to distribute wear on the hawser, stern roller,
towing bows, H- bitts, winch drum, etc.
Frictional resistance
The force created by an object as it moves through a fluid such as water or air
Fuse pendant
A pendant of wire rope or chain specifically designed to fail at a known tension May be used to protect the rest of
the rigging arrangement. Also called a "weak link."
GM
See "Metacentric height."
Grapnel
A small, 4-armed anchor used mainly to recover objects in the water.
Gun tackle
Tackle using two single-sheave blocks
Gunwale
The upper edge of a boat's side, pronounced "gunnel."
Gypsy head
The horizontal drum of a winch, around which a rope is wound for heaving in
N-5
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