Ship Navigation demonstrates the art and science of navigating a ship from departure to destination without hitting the shore or shoals. There are essential decisions which need to be made every day in navigational work and the book provides guidance on how to make the right choices. #ship#GPS #navigation #safe #speed #petrol #fishing boat #fishing tips #fishing #navy indoor ocean ship anchor brake ship video whale song Antarctic blue whale fishing clash heaving line IMO imo imo light house