deviation - See magnetic deviation or compass error.
dismast - The loss of a mast on a boat. Generally this also means the loss of some or all of the ability of the boat to sail.
deviation
The amount of error from displaying magnetic north in a boat's compass caused by the boat's own magnetic interference.
Deviation: Compass error caused magnetic disturbance
Dockline: A line used to secure a boat to a dock.
Draft: Water depth required to float the vessel.
Deviation- Compass error caused by local magnetic attraction.
Dinghy- A small boat fitted with oars and sometimes sails.
Dismast- To remove a mast or masts. To lose a mast or masts at sea.
Deviation from a Route
A divergence from the agreed or customary route.
Dimensions
Measurements in length, width and height, regarding cargo.
deviation - The difference between a compass' reading of North against the true magnet North. See also "Variation."
Dhow - A large Arab vessel, usually lateen-rigged.
Deviation Card:
A listing of a particular boat's steering deviation on each point of the compass ...
deviation
Movement of a compass card (measured in degrees west or east) caused by metal or magnetism in the boat. A deviation card displays the amount of deviation at different headings.
diesel ...
DEVIATION- Vessel departure from specified voyage course
DISABLED SHIP- When a ship is unable to sail efficiently or in a seaworthy state as a result of engine trouble, lack of officers or crew, damage to the hull or ship's gear.
Deviation - Iron, steel or magnets that are within 3 to 5 feet of a compass can effect its reading. The deviation will vary depending on the direction of the boat.
Deviation is another error of the compass caused by local attraction, such as the ironwork and iron ballast in a boat, or the proximity of a marlinespike to the binnacle.
Deviation
Disturbing effect of boat's magnetic field upon it's compass.
Dewpoint ...
Magnetic Deviation
Compass error. The difference between the reading of a compass and the actual magnetic course or bearing due to errors in the compass reading.
Magnetic deviation. The difference between the reading of a compass and the actual magnetic course or bearing due to errors in the compass reading. These errors can be caused by metals, magnetic fields and electrical fields near the compass.
Where the deviation from a compass point cannot be counteracted through the use of magnets, a deviation card, or graph, is produced.
Deviation - (1) Differences between the compass reading and an actual magnetic direction caused by magnetic forces in the vicinity of the compass, which are usually the result of masses of metal, speaker magnets, etc.
deviation: compass error produced by magnetic disturbances aboard ship. dinghy: small open boat for sailing, rowing, etc. a small open boat, usually carried aboard a yacht for going ashore.
The compass course has added the magnetic deviation and the magnetic variation to the true course. Compass rose A circle on a chart indicating the direction of geographic north and sometimes also magnetic north.
Compensating binnacles are provided with brackets or arms on either side, starboard and port, for supporting and securing the iron cylinders or spheres used to counteract the quadrantal deviation due to the earth's magnetization of the vessel.
COMPASS ERROR - Combined effect of variation and deviation.
COURSE - Intended direction for a boat to be steered.
DECK - Horizontal covering resting on the deck beams of a vessel, the floor of any compartment.
To find true north using a magnetic compass (one of the Four Great Inventions of ancient China, circa 300 A.D.), the local deviation (also called magnetic declination) must be known to adjust the reading.
Deviation - The deflection of a compass needle caused by local magnetic influence.
Deviated - Term used to indicate that a compass has been corrected for Deviation ...
When she at any instant deviates from this position, the effort by which she endeavours to return to the normal depends on the angle of deviation, in the same manner as the effort to assume an upright position, when forcibly inclined in still water, ...
The distance due east or due west made by a boat on its course depth (of hull) Measurement inside the hull from the underside of the deck to the top of the keel derelict An abandoned ship deviation Compass error produced by magnetic ...
A deviation from the
proper or expected course. 2. A departure from the normal or typical:
events that were aberrations from the norm. 3. Psychology. A disorder
or abnormal alteration in one's mental state. 4. a. A defect of focus, ...
In those cases, Rule 1(e) permits a deviation from the navigation light, shape, or sound-signal requirements but only to the point of preventing interference with the special function.
This is the formula for converting compass headings back to true ones: Compass plus Deviation equals Magnetic heading. Beyond that, add the Variation to get the True heading.
Magnetic North: The direction a compass needle points when there are no local disturbing influences [deviation].
Mainsail: The sail hoisted on the after side of the mainmast, pronounced "mains'l."
Make Fast: Action of attaching a line.
 See also: Light, Point, Line, Boat, Compass
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