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OKPC #9 (Septiembre 1995).iso
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1995-06-04
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Sound Buoys: These are a special type
of buoy equipped with a characteristic
sound signal to aid in their location
during periods of reduced visibility.
Bell Buoys: These buoys are steel
floats surmounted by a short tower in
which a bell is mounted. The rolling
of the waves makes the bell ring.
Direction is the position of one point
relative to another point without
reference to the distance between them.
Three types are True,Magnetic & Compass
The Beaufort Scale is a type of
measurement used by sailors to estimate
the strength of the wind.
A Fin Keel is a short deep keel fitted
amidships in some sailing yachts that
perform the same function as a dinghys'
centerboard or dagger plate.
Depth in nautical terms is measured in
Fathoms. A fathom is equal to 6 feet
or 1.83 meters.
To moor a boat means to anchor a
vessel with two anchors so that she
lies between them; also to make fast
the head and stern between two buoys.
Boats with two or three parallel hulls
are referred to as Multihull boats.
Because of the wide overall beam, they
are very stable boats.
A vessel is said to be on a starboard
tack when she is sailing with the
wind on her starboard side. (Left)
Seizing is the nautical term for
binding together. For instance binding
one rope to another.
To tack in sailing means to go about
(turn) by bringing the wind ahead and
round on the other bow.
The Lubber Line is the vertical mark
on the inner surface of the compass
bowl that is lined up with the
vessels' bow.
A severe squall or storm occurring
along a cold front usually with
thunderstorms, is referred to as
a Line Squall.
A fetch is the distance waves travel
without interference. The longer the
fetch, generally the higher the
waves.
Course: The intended direction of
movement of the craft on a horizontal
plane, generally measured in relation
to the true or magnetic meridian.
A Daymark is generally an unlighted
beacon that serves as a daytime
navigational mark.
Kedge: A kedge is a small type of
anchor, generally used with a line
instead of a chain.
Lead and Line: Is a leaded weight on a
graduated line used for sounding the
depth of the water when navigating in
the shallows.
The hull of the ship is referred to as
the main body of the vessel, excluding
the masts, rigging and equipment.
In nautical terms, speed is measured
in knots. A knot defined as one
nautical mile per hour.
A spinnaker is a large triangular sail
carried by yachts as a headsail when
running before the wind. The spinnaker
allows the boat to travel with speed.
A Wale is the extra protective
thickness of wood bolted to the sides
of a vessel to prevent her from
getting damaged or scraped.
In nautical terms the word Headway
is referred to as the forward
movement of a vessel through the
water.
Heave to or Lie to; refers to vessel
that has trimmed her sails so that
she remains virtually stationary in
the water.
Heading is referred to as the
instantaneous direction of the fore
and aft axis of a vessel, generally
measured by the use of a compass.
The word to Ghost in nautical terms
means to make headway in the water
by skillfully handling the sails in
almost no wind.
A Riding Light is a all-round white
light hung in the fore part of a
vessel to show she is at anchor.
Sprung: Is the word used by sailors
to refer to the mast when it has
been damaged or cracked.
The long oars used in sailing
vessels when the wind has failed are
called Sweeps.
The extra canvas sewn along the edges
of a sail to give it strength is
referred to as the tabling.
Windage: Is referred to the drag
created by the parts of a vessel
that are exposed to the wind.
To Wear a ship means to put a vessel
about (turn) on the other tack by
bringing the wind around the stern
instead of tacking.
A vessel is said to be Wind-rode
when she is at anchor and is lying
at the command of the wind rather
then the tide.