Specifications
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D - A vessel's speed made good over
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along a course
or
track.
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GROUND TACKLE - The anchor, anchor rodes, and
other fittings that are used to secure a vessel at anchor
or
dockside.
GUNWALE 1. The line where the upper deck and the
hull meet.
2. The upper edge of a boat's side.
HALYARD - A line used to hoist a flag
or
pennant.
HATCHES - Cover on hatchways.
HATCHWAYS Access ways through decks.
HARDTOP - A permanent cover over the cabin or
cockpit.
HAWSER - A heavy rope or cable used for mooring or
towing.
HEAD A toilet
or
lavatory area.
HEADING The direction that a vessel isgoing with ref-
erence to true, magnetic, or compass north.
~~-:
~c~::::::~~lOrward
motion of a vessel through
the water.
HEAVE
TO
-
to
bring a vessel
up
in a position where it
will maintain little
or
no headway, usually with the bow
into the wind.
HEAVY WEATHER - Stormy weather with high seas
and strong winds.
HEEL - To tip to one side.
HELM - The wheel
or
tiller that is controlling the rudder.
HELMSMAN - The individual steering the vessel.
HIGHS - A center of pressure surrounded by lower
pressure on all sides. Caused by a mass of cooler,
sinking, drier air. This raises the area ground level air
pressure and providesr clear skies.
HULL - The main body of a boat.
, INBOARD -
1.
From either the port
or
starboard side of
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a boat to the fore-and-aft centerline of a boat. 2. The
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moored boat.
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INLAND RULES - Nautical "Rules-of-the-Road" that
appy in U.S. lakes, rivers, and coasters waters.
INTERNATIONAL RULES - Nautical "Rules-of-the-
Road" that are in effect by international agreement to
the high seas.
ISOBARS - Lines of equal air pressue that connect all
the local points on a weather map. These lines are
usually closed and define high
or
low pressure air
masses.
ISOTHERMS - Isotherms are lines are similar to Iso-
bars except that Isotherms connect all the points that
are of equal temperature.
JETSAM - Refuse that sinks when discharged over-
board.
KEDGE{S) One or more anchors set out from a
grounded vessel, usually astern, to 1) keep itfrom being
driven further aground and
2)
to aid
in
refloating.
KEEL - The centerline of a boat running fore and aft: the
backbone
of
a vessel.
KETCH - A two-masted sailboat with the smaller after
mast stepped ahead of the rudder post.
KNOT -
1 . A maritime unit of speep equal to one nautical
mile per hour
(6076 feet). 2. A term for hitches and
bends.
LANYARD - A short line made fast to
an
object to secure
it.
LATITUDE - The measure of angular distance in de-
grees, minutes, and seconds, north
or
south of the
equator. '
.,
LAZARETTE - Storage compartment
in
the deck at the
stern.
LEADLINE
- A weighted line used to take depth meas-
urements.
LEE - The direction opposite that of the wind.
LEEWARD - Away from the wind.
LIST - A vessel that inclines to port
or
starboard.
LORAN - LOng RAnge Navigation. An electronic
system whereby a navigator can determine position
regardless of weather.
LONGITUDINAL - Running lengthwise.
LOWS The absence of
an
air mass. Hurricanes are
extremely concentrated low pressure systems.
05
OMSB
CARVER
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