OCIMF_Mooring_Equipment_Guidelines_(Second_Edition)

Glossary oj Terms and Abbreviations

BIGHT

BITTS

BOLLARD

BREAST LINES

BS

BSI

CHAIN STOPPER

CHOCK

DEADWE1GHT-DWT

ELASTICITY

ELONGATION

FLAKE DOWN

FAIRLEAD

FLEET ANGLE

FIRE WIRE

FiRST-ASHORE LINE

HAWSER

HEAD LINES

HEA VING LINE

HOCKLE

HTS

A loop formed by doubling back a rope upon itself.

Vertical steel posts or bollards mounled in pairs around which a line

can be secured.

A vertical post to which the eye of a mooring line can be attached.

Mooring lines leading ashore as nearly perpendicular as possible to

the ship's fore and aft line.

Brilish Standard.

British Standard [nslilulion.

A filling for securing a chain, consisting of two parallel vertical p[ales

mounled on a base, with a pivoling bar or paw] which drops down

to bear on a chain link.

A guide for a mooring line which enables the line 10 be passed

through a ship's bulwark or other barrier (See also FA1RLEAD).

The carrying capacity of a ship, including cargo, bunkers and stores,

in menic tonnes. Strictly speaking, it can be given for any drart, but

here it is used 10 indicale summer deadweignl at summer draft.

The elastic (non permanent) elongation of a unit length of an c1emenr

caused by a unit load. May refer to a material or a composite

Slructure such as a mooring line.

Refers here 10 the tOlal elong81ion (elastic and plastic) of a line.

Laying a rope in long bighls on Ihe deck with each bight clear of

the adjacent one. so Ihal it can be paid Oul quickly and free from

wrns.

A guide for a mooring line which enables the line to be passed

lhrough a ship's bulwark or olner barrier. or 10 change direction

through a congested area without snagging or fouling.

The angle between the mooring line and a plane perpendicular to

Ihe axis of the winch drum.

A wire rigged 10 I he walerline over Ihe off-berth side of a ship 10

facilitate rowing off in an emergency.

A line (usually fibre) PUI ashore firs! to help in hauling Ihe ship into

berth.

Synlhetic or natural fibre rope or wire rope used for mooring.

warping and towing.

Mooring lines leading ashore from I he fore end or forecastle of a

ship. often al an angk of about 45 degrees to lhe fore and aft line.

A very light line that is thrown belween lhe ship and the berth, and

is used to draw the messenger line ashore.

A knot·like twisting of individual slrands of a tWisted rope.

High Tensile Steel.

XII