DICTIONARY OF

Bung 60 Burden
Bung. Plug that closes the hole in bilge of a cask, keg, barrel, etc.
Bung Up and Bilge Free. Correct stowage of casks, barrels, etc., especially those
containing liquids. It precludes leakage and ensures the head timbers of the cask being
vertical. Bilge is kept free by support under quarters.
Bunk. Built in bed, or one of a series of beds, on board a ship.
Bunker Clause. Inserted in a charter party to define the terms on which the charterer takes
over the bunkers at the commencement of a time charter, and the ship owner at the
conclusion of the time charter.
Bunkers. Compartments in which coal is carried. Name is also given to the fuel (oil or
coal) used for ship's propelling and auxiliary machinery.
Bunt. Middle portion of a square sail.
Bunting. Thin, woollen material used for making flags, ensigns, etc.
Buntline. Line for hauling up middle of foot of a square sail when furling it.
Buntline Cloth. Additional cloth stitched to a square sail in way of buntlines. Keeps chafe
of buntlines off sail.
Buntline Hitch. Made by passing buntline through its cringle and then clove hitching it
around its own part, with final hitch next to the cringle.
Buoy. Floating object that is used to mark a position. 2. Object with a large reserve
buoyancy that allows it to support a required load. 3. To buoy a position is to mark it with a
buoy.
Buoyage. The act of placing buoys. 2. Establishment of buoys and buoyage systems.
Applied collectively to buoys placed or established.
Buoyancy. Difference between weight of an immersed, or partly immersed, object and the
upward pressure of the liquid in which it is. If the weight be lighter the buoyancy will be
'positive'; if it be heavier the buoyancy will be 'negative'. Also defined as the vertical
component of the water pressures acting on an immersed or partly immersed body.
Buoyancy Aid. A lifejacket which has less than the officially required buoyancy or does not
keep the wearer face-up when floating.
Buoyant Jacket. A lifejacket or Buoyancy Aid.
Buoyancy Tank. Tank fitted in lifeboat to give one cubic foot of positive buoyancy for
each person boat is certified to carry. Made of brass, copper, muntz or yellow metal,
weighing at least 18 oz. per square foot.
Buoy Rope. Rope connecting a buoy with its moorings, or with the sunken object that it
marks. Particularly applied to rope connecting anchor and anchor buoy.
Buoy Rope Knot. Very similar to a stopper knot. It was put in end of hemp cable when
used for mooring to a buoy. Purpose was to prevent end of rope slipping through seizing by
which it was secured.
Burden. Carrying capacity of a vessel expressed in tons. In M.S. A. means 'Net registered
tonnage'.