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Sailaway - Questionnaire - Second Part - Introduction to navigation

  Second Part - Introduction to navigation  
 
  When using Mercator projection one measures distances on  
 
  on the scale of Latitudes.
  on the scale of Longitudes.
  indifferently on the scale of Latitudes or Longitudes.
 

  The unit used at sea for distances is the Nautical Mile which represents  
 
  One minute of Longitude.
  One minute of Latitude.
 

  A variation of 5W is indicated on the navigational chart. The helmsman affirms he is following a 135 course. What do I trace on the chart ?  
 
  140°
  130°
  135°
 

  The variation of the area is to be found  
 
  in the pilot book
  In the almanac.
  in the compass rose on the navigational chart.
 

  Depth soundings are always indicated in meters.  
 
  False
  True
 

  When using a navigational chart with depth soundings in fathoms and feet, what does a figure like 18,3 mean ?  
 
  18 fathoms and 3 feet
  18,3 meters
  183 feet
  18,3 fathoms
 

  The height of the water in the harbour is 5,5m. How much water will I have on a sounding of 2,5 underligned ?  
 
  3 meters.
  8 meters
  5,5 meters
 

  When taking a compass bearing I will have to take into account  
 
  deviation
  variation and deviation
  variation
 

  050N 13,453'N - 002 56,789'W. Could you confirm these coordinates are reported correctly ?  
 
  Yes.
  No
 

  Maximum Longitude is  
 
  0°
  180°
  360°
  90°