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Sailaway - Questionnaire - Second Part - Introduction to navigation

  Second Part - Introduction to navigation  
 
  18 61,23' N - 061 13,76'W. Are these coordinates plausible ?  
 
  Yes.
  No.
 

  With the Mercator projection  
 
  surfaces are not altered.
  angles are not altered
 

  When using Mercator projection one measures distances on  
 
  on the scale of Longitudes.
  indifferently on the scale of Latitudes or Longitudes.
  on the scale of Latitudes.
 

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

  Depth soundings are always indicated in meters.  
 
  True
  False
 

  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
  18,3 fathoms
  183 feet
 

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

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

  Maximum Longitude is  
 
  90°
  180°
  0°
  360°
 

  All the points on the same Latitude form the  
 
 
  pole