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2023 OWNER’S MANUAL
FORE – Toward the front or bow of the boat. Opposite of aft.
FREEBOARD – The distance from the waterline to the upper surface
of the side of the deck.
FUEL SENDING UNIT – The electrical device mounted on the fuel
tank which communicates fuel levels to the dashboard
fuel gauge.
FUEL MANAGEMENT SYSTEM – An internal computer system in
MasterCraft boats that calculates fuel burn and fuel tank volume
to give operators precise fuel tank fill levels.
GIVE-WAY BOAT – (1) Term for the boat that must take whatever
action necessary to keep well clear of the boat with the right-of-
way in meeting or crossing situations. (2) The burdened boat.
GUNWALE (GUNNEL) – The rail or upper edge of a boat’s hull side.
HEAD – (1) A marine toilet. (2) Used to describe the compartment or
location of a marine toilet.
HELM - The steering wheel or command area.
HULL – The structural body of a boat below deck.
HYPOTHERMIA – A physical condition in which the body loses heat
faster than it can produce it.
KEEL – The lowest portion of the boat; extending fore and aft along
the boat’s hull bottom.
LINE – Rope. In a marine environment rope is referred to as a “line.”
LIST – Leaning or tilt of a boat toward the side.
MAKING WAY – Making progress through the water.
MARINE CHART – Seagoing maps showing depths, buoys,
navigation aids.
MID SHIP – In the vicinity of the mid-length of a boat, technically
the exact half way between the bow and the stern.
MOORING – An anchor, chain, or similar device that holds a boat in
one location.
NAVIGATION AID – Recognizable objects on land or sea such as
buoys, towers or lights, used to identify safe and unsafe waters.
NAVIGATION LIGHTS - See RUNNING LIGHTS.
NMMA – National Marine Manufacturer’s Association.
NO-WAKE SPEED – The speed at which a boat travels to produce
no visible wake.
OUTBOARD - (1) Toward or beyond the hull sides of the boat. (2) A
detachable engine mounted to the transom of the boat.
PFD – Personal flotation device.
PLANING HULL – A hull designed to lift, thereby reducing friction
and increasing eciency.
PORPOISE – A condition in which the bow bounces up and down
caused by trimming the engine too far out of the water. This is
particularly apparent in boats running at high speeds with full
ballast tanks.
PORT – (1) The left side of a boat when facing the bow. (2) A
destination or harbor.
PRIVILEGED BOAT – Term used for the boat with the right-of-way.
PROPELLER - A mechanical device for propelling a boat, consisting
of a revolving shaft with two or more broad, angled blades.
RIGHT-OF-WAY – Term for the boat that has priority in meeting or
crossing situations. The stand on or privileged boat.
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