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HEADWAY: The forward motion of a
vessel through the water.
HEEL: To tip or tilt to one side by means of
an external force.
HELMSMAN: The person steering the
yacht.
HULL: The main body of the yacht.
INBOARD: (1) From either the Port or
Starboard side to the centerline of the
yacht. (2) The dock side of a moored yacht.
JETSAM: Refuse that sinks when dis-
charged overboard. See “Flotsam”.
KEEL: The centerline of a yacht running
fore and aft at the lowest point of the hull.
KNOT: (1) A Maritime unit of speed equal
to 1.15 miles per hour. (2) A term for
hitches and bends in a line of rope.
LAZARETTE: Storage compartments
below the deck at the stern of the yacht.
LIST: A vessel that inclines to Port or
Starboard by its own means.
LONGITUDINAL: Lengthwise.
MOORING: An arrangement for securing a
yacht to a mooring buoy or pier.
NAVIGATIONAL LIGHTS: A set of red,
green and white lights which indicate the
presence of a vessel and must be illumi-
nated between the hours of dusk and
dawn and during times of restricted visibil-
ity (fog, rain, snow, etc.).
OVERHEAD: The ceiling or roof of a
yacht.
OUTBOARD: (1) From the centerline of a
yacht to the Port and Starboard sides. (2)
The seaward side of a moored yacht.
PASSAGEWAY: A corridor or hallway
aboard ship.
PERSONAL FLOTATION DEVICE (PFD):
Life preserver or life vest.
PIER: A loading platform that extends at
an angle from the shore.
PILING: Support or protection for wharfs,
piers, etc.
PITCH: (1) The vertical motion of a yacht
in a seaway about the athwartship axis. (2)
The axial advance in inches of a propeller
during one complete revolution.
PLANING HULL: At slow speeds, a
planing hull will displace water in the
same manner as a displacement hull. As
speed increases, the hull provides a lifting
effect up onto the surface of the water.
PORT: (1) Looking forward, the left side of
a yacht from bow to stern. (2) A harbor.
PORT BEAM: The left center of a yacht.
PORT BOW: Looking forward, the front,
left side of the bow.
PORT QUARTER: Looking forward, the
left rear section of a yacht.
QUARTER: The sides of a yacht aft of
amidships.
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