Testez vos connaissances
www.sailaway.be - info@sailaway.be
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  
 
  angles are not altered
  surfaces are not altered.
 

  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 ?  
 
  135°
  140°
  130°
 

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

  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 ?  
 
  18,3 meters
  18 fathoms and 3 feet
  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 ?  
 
  5,5 meters
  3 meters.
  8 meters
 

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

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

  Maximum Longitude is  
 
  90°
  360°
  180°
  0°