17. Whilst sailing at night one crew member falls overboard. You immediately take action to stop the boat and prepare to recover the MOB. You send one crew member to activate the chartplotter’s MOB function and send a distress. After a few minutes an AIS-MOB symbol appears on the display.


a) Describe how a typical leisure chartplotter’s MOB function works. b) Describe how an AIS-MOB beacon works. c) Give reasons why the two markers are in different locations on the chartplotter screen.


F


16


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