By Dag Pike
This is a publication approximately useful navigation—packed with functional how one can make navigation more secure, more straightforward and higher. it's a e-book for anyone—whether riding an influence boat or crusing a yacht. And the suggestions disguise either digital in addition to visible navigation.
This ebook starts off the place others end. upon getting the $64000 fundamentals of navigation, you might want to see tips to translate those into functional navigation ideas to take advantage of whilst making plans prior to going to sea and as soon as you are out there.
50 how one can enhance Your Navigation distils Dag Pike's event won from over 50 years of navigating an entire variety of craft from excessive velocity energy boats and lifeboats to ships and crusing boats. Written by means of essentially the most skilled navigators on the planet, it's your passport to useful navigation concepts that would get you correctly in your vacation spot even if in superb climate or foul.
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Extra resources for 50 Ways to Improve Your Navigation
Close-hauled, you will probably have to turn through at least 90 degrees to start moving away from danger, so consider finding an angle of approach that allows you to change direction both quickly and safely. Under both power and sail, if you have a bow thruster, have this switched on ready for use to speed up the turn. WHEN MAKING A LANDFALL IN POOR VISIBILITY IT IS BETTER TO APPROACH AT THE ANGLE SHOWN IN A. APPROACHING THE COAST DIRECTLY AS IN B MEANS HAVING TO TURN THROUGH A GREATER ANGLE IF YOU DETECT SUDDEN SHOALING AND YOU WON’T NECESSARILY KNOW WHICH IS THE SAFEST WAY TO TURN.
One of the main criteria of navigating safely is to maintain enough depth of water under the boat to give a good margin of safety: whilst the chart should confirm the depth, the real-time readings from the sounder are a reassuring help. The main time that a boat is at risk of grounding is when making a landfall or entering harbour, and this is where depth measurements can be a very important indicator. Even when the GPS shows the position to be safe, an adequate depth of water showing under the keel on the sounder is the important confirmation that you need.
When you plan your route, think about whether a different angle of approach might make the situation clearer. Tides and wind are another consideration in second stage navigation. You don't want to be making a landfall or even have the possibility of making a landfall down-tide or downwind from your destination and then have to struggle against these factors to get to the harbour you want to find. You need to think about what lies ahead when planning, and weigh up all the scenarios and options. That deviation you might take in order to make an early landfall could enable you to pick up a stronger inshore tide to help you on your way.