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DEAD AHEAD: Directly in front of the
yacht.
DINGY: A small open boat used for ship to
shore transportation.
DISPLACEMENT: The weight of the water
displaced by the yacht’s hull.
DRAFT: (1) The depth of a yacht from the
actual waterline to the bottom of the lowest
part, such as the propeller tip or rudder. (2)
The depth of water necessary to float a
yacht.
EVEN KEEL: To be floating evenly without
listing to either side.
EXHAUST SYSTEM: The means by
which the hot engine or generator gases
are removed from the engine and released
into the atmosphere.
FATHOM: Six (6) feet.
FENDER: A rubber or plastic device used
to absorb impact between vessels or a
vessel and a dock.
FLARE: (1) Outward curve of the hull as it
rises up the side from the waterline. (2) A
pyrotechnic device used for emergency
signaling.
FLOTSAM: Refuse that floats when dis-
charged overboard. See “Jetsam”.
FLYING BRIDGE: The uppermost steering
station from which a yacht is controlled.
FORE-AND-AFT: A line, or anything else,
that runs parallel to the longitudinal center
of the yacht.
FORWARD: Toward the bow of the yacht.
FREEBOARD: The vertical distance from
the waterline to the sheerline (rubrail).
GALLEY: The kitchen area of the yacht.
GASKET: A strip of sealing material used
to make joints fluid tight.
GELCOAT: The thin outer layer of pig-
mented plastic-like substance used to
cover exposed fiberglass components.
GLAND: The moveable part of the stuffing
box which compresses the packing when
tightened (also referred to as the “packing
gland”).
GROUND: (Electrical) The electrical
potential of the earth’s surface, which is
zero.
GUNWALE: The horizontal surface of the
deck immediately above where it meets
the hull.
HATCHES: Covers the openings in a deck
or floor.
HATCHWAY: Access port through the
deck.
HARDTOP: A permanent cover over the
cabin or cockpit.
HAWSER: A heavy rope used for mooring
or towing.
HEAD: A toilet or bathroom.
HEADING: The direction that a vessel is
travelling with reference to true, magnetic
or compass north.
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