Meridian
A longitude line. Meridians are imaginary circles that run through both poles.
Mizzen mast
A smaller aft mast on a ketch or yawl rigged boat.
meridian - A line of longitude; a line perpendicular to the equator and passing through both (earth) poles.
prime meridian
The 0° longitude line that runs through Greenwich, England.
privileged vessel ...
Meridian - Line running from North to South Poles that cross the equator at right angles
Mid-Channel Marker - Red and White stripes, may have a white light
Mooring - A place to secure a boat in the water ...
prime meridian, Greenwich meridian, Greenwich Mean Time, GMT, Zulu
The prime (Greenwich) meridian is at zero degrees longitude, at Greenwich, U.K.
Greenwich Meridian Time. Also known as Universal Time.
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Magnetic Meridian: A line of horizontal magnetic force of the earth to which a compass, in the absence of deviation, aligns itself.
Prime Meridian - The meridian from which longitude is measured eastwards or westwards. The longitude of the prime meridian, passing through Greenwich, England, is 0° ...
COMPASS CARD: Part of a compass, the card is graduated in degrees, to conform with the magnetic meridian-referenced direction system inscribed with direction which remains constant; the vessel turns, not the card.
It is the current term for what was commonly referred to as Greenwich Meridian Time (GMT). Zero (0) hours UTC is midnight in Greenwich England, which lies on the zero longitudinal meridian.
GMT -- Greenwich Meridian Time, also known as Universal Time
GPS -- global positioning system; uses satellites in fixed orbits
going to weather -- to sail against the prevailing wind and seas
gooseneck -- fitting that secures the boom to the mast ...
Rhumb line - A line on a sphere that cuts all meridians at the same angle; the path taken by a ship or plane that maintains a constant compass direction (straight line compass course between two points)
Rigging - The ropes, chains, etc.
VARIATION: The angular difference between the magnetic meridian and the geographic meridian at a particular location.
VESSEL: A general term for all craft capable of floating on water, and larger than a rowboat.
Rhumb Line - A line on the surface of the earth making the same oblique angle with all meridians. A rhumb line is a straight line on a rhumb (or Mercator) direction.
Greenwich meridian (also prime meridian): the meridian designated as 0 degrees that runs through Greenwich, England, and serves as the base line for measurements of longitude. grommet: rope or brass ring in a sail or piece of canvas.
sail [Top of Page] [Bottom of Page] reeve To pass a line through a block or fairlead regatta A series of boat races and festivities arranged by a yacht club or other sailing organization rhumb line A course that crosses all meridians ...
GMT -- Greenwich Meridian Time, also known as Universal Time
going to weather -- to sail against the prevailing wind and seas
gooseneck -- fitting that secures the boom to the mast ...
The angular distance of a position on its meridian north or south from the equator, measured in degrees ('a vessel at 25 degrees north latitude').
Lay Days
The number of days allowed in a charter party for the loading and discharging of cargo.
A line that passes through all meridians at the same angle. When drawn on a Mercator chart, the rhumb line is a straight line.
GREENWICH MEAN TIME-Time as measured at the meridian of Greenwich, England.
GUDGEON-An eye fitting into which the rudder's pintles are inserted.
GUNKHOLING-Shallow-water sailing and anchoring in out-of-the-way places.
longitude
Geographic distance east or west of the prime meridian expressed in degrees and minutes.
Loran C
Electronic navigation system that measures the time difference in the reception of radio signals from land-based transmitters.
The distance in degrees east or west of the meridian at Greenwich, England.
Lubber's Line
A mark or permanent line on a compass indicating the direction forward parallel to the keel when properly installed.
Longitude - Geographic distance east or west of the prime meridian.
M
Marina - A place providing secure moorings for pleasure boats and usually offering service facilities, such as fuel docks and showers.
Longitude: Angular distance east or west of the Greenwich Meridian, measured from 0 t 180 degrees east or west.
Luff: a) To change course toward the wind. b) The leading edge of a sail.
Longitude - The distance in degrees east or west of the meridian at
Loose-Footed - Describes a mainsail attached to the boom at the tack and clew, but not along the length of it's foot.
GMT:
Mean solar time at the meridian of Greenwich. Abbreviated GMT. Also known as Greenwich civil time; universal time; Z time; zulu time.
Go About:
To turn the boat head:to:wind so as to go about on the opposite tack ...
Zenith-The point of the celestial sphere which is directly overhead.
Zephyr-A gentle breeze. The west wind.
Zodiac-Trade name for inflatable boat.
Zula time --GMT- Greenwich Meridian Time, also known as Universal Time ...
These points are subdivided into quarter points, and again into degrees. The table given shows the angles which every point and quarter point of the compass makes with the meridian: ...
Lines of Longitude commence at the North Pole and run to the South pole. They are all of equal length and are furthest apart at the Equator. They are used on maps and charts to determine distance in degrees east or west of the Greenwich Meridian ...
Longitude: The east-west distance from the meridian in Greenwich in degrees
Lubber-line: Mark on a compass that indicates the forward direction of a boat ...
 See also: Point, Boat, Stern, Course, Forward
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