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NAV PT 2

QuestionAnswer
IALA IALA A- Red buoy to our port side while entering port IALA B- Red Buoy to our STBD side while entering port
Cardinal Buoyage System Used in conjunction with the compass to indicate where the mariner may find the best navigable water.
Range Markers Determine position relative to the track by evaluating the alignment of the markers forming the range.
Advance Distance the vessel moves in the direction of the original course from when the rudder is put over until the new course is reached.
Transfer The distance the vessel moves perpendicular to the original course during the turn.
True Bearing Based on a circle of degrees with true north 000 degrees.
Relative Bearing Circle drawn around the ship herself with bow 000 degrees.
Binoculars Magnified glasses used for lookouts.
Stadimeter Measures the distance of an object of known height such as a mast.
Sextant Precision instrument that can measure angles in degrees, minutes, seconds.
Bearing Circle Metal ring that fits over a compass bowl.
Telescopic Alidade Telescope equipped with cross hairs, level vial, polarizing light filter and internal Focusing.
Fathometer Determines the depth of water the ship is in.
Barometer An instrument for measuring atmospheric pressure.
Psychrometer An instrument used for determining atmospheric humidity consisting of dry-bulb and wet-bulb thermometers.
Swing Circle Amount of chain released + ships length.
Drag Circle Amount of chain released + distance from hawspipe to pelorus.
Laser Range Finder gives distance between us and RAS ship to the CO
Created by: dfletch32
 

 



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