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D. W
/ W
AKE
ASH
Power boat wakes can endanger people and vessels.
Each power boat operator is responsible for injury or
damage caused by the boat's wake. Be especially
careful in confined areas such as channels or
marinas. Observe "no wake" warnings.
!
CAUTION
Reduce speed in congested waterway.
Be alert for No Wake markers.
20. N
T
AUTICAL
ERMS
Abeam – object 90 degrees to center line on either
side of boat.
Abaft – a point on a boat that is aft of another.
Aft – toward the rear or stern of the boat.
Beam – the width of a boat.
Bow – the fore part of a boat.
Bow Eye – bolt with looped head mounted on
extreme forward part of bow.
Bulkhead – vertical partition in a boat.
Chine – meeting juncture of side and bottom of
boat.
Chock – deck fitting, used as guides for mooring
or anchor lines. Also, a wedge to stop wheels from
rolling.
Cleat – deck fitting with arms or horns on which lines
may be made fast.
Cockpit – an open space from which a boat is
operated.
Deck – upper structure which covers the hull between
gunwales.
Draft – depth of water required to float boat and its
propulsion system.
Fathom – six feet.
Fenders – rope or plastic pieces hung over the side
to protect the hull from chafing.
290 Sundancer
®
S
1 • S
ECTION
Freeboard – height of exposed hull from water line
to deck.
Ground tackle – general term referring to anchors,
anchor lines, etc.
Gunwale (pronounced gun'l) – meeting juncture of
hull and deck.
Hatch – an opening in deck to provide access
below.
Head – toilet or toilet area in a boat.
Headroom – vertical distance between the deck and
cabin or canopy top.
Helm – steering console.
Hull – the basic part of a boat that provides buoyancy
to float the weight of the craft and its load.
Keel – the major longitudinal member of a hull; the
lowest external portion of a boat.
Knot – unit of speed in nautical miles per hour.
Lee – the side that is sheltered from the wind.
PFD – Personal Flotation Device; life preserver.
Port – term designating left side of the boat.
Rudder – movable fixture at the stern used for
steering.
Scupper – hole permitting water to drain overboard
from deck or cockpit.
Sheer – curve or sweep of the deck as viewed from
the side.
Snub – to check or tighten a line suddenly.
Starboard – term designating right side of the boat
Stern – the aft end of a boat.
Stern drive – outboard unit of an inboard/outboard
(I/O) engine installation.
Stringer – longitudinal members fastened inside the
hull for additional structural strength.
Transom – transverse part of stern.
Wake – disturbed water that a boat leaves behind
as a result of forward motion.
Windward – toward the direction from which the
wind is blowing.
AFETY
1.15
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