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15 Cards in this Set
- Front
- Back
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Which type of chart shows a larger area of the earths surface, a small-scale chart or a large-scale chart?
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A Small-Scale chart
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Which of the following scales indicates a chart haing the greatest detail 1:7,000 or 1:75,000?
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The 1:7,000
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What type of chart is employed when a ship is navigating close to shore,or when navigating in channels which lead to bays or harbors
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A coast chart
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What units are used for water depths on navigational charts?
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Depths maybe in feet, fathoms or meters
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What is "piloting"?
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It is the type of navigation in which bearing and ranges to objects located on chart are taken in order to fix the position of the ship
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What are the two main types of aids to navigation?
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Natural and artificial`
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What is the correct order for describing the five descriptive elements of a fixed light shown on a chart?
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It is described as follows: characteristic,color,height, and distance of visibility
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What does a diamond-shaped navigational chart symbol indicate?
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It indicates the approximate location of a buoy
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Where can the standard abbreviations and symbols as used on U.S nautical charts be found?
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They are found in chart No.1
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What publication includes a description of every light in the world located outside the U.S and its possessions?
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The List Of Lights
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What agency publishes the List Of Lights?
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The defense Mapping Agency Hydrographic center (DMAHC)
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What agency publishes the Light List which describe navigational lights within the U.S and its possessions?
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The U.S Coast Guard
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What are the 4 standard colors which are used for lights on aids to navigation?
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White,red,green and yellow
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What is the geographic range os a light?
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The max distance a light can be seen in conditions of perfect visibility.
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What term refers to visibility of a particular light, when taking into account its elevation and intensity, the curvature of the earth. & height of eye of the observer?
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Computed Visibility
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