By Dag Pike
This is a booklet approximately functional navigation—packed with useful how you can make navigation more secure, more uncomplicated and higher. it's a publication for anyone—whether riding an influence boat or crusing a yacht. And the suggestions disguise either digital in addition to visible navigation.
This booklet starts off the place others end. upon getting the $64000 fundamentals of navigation, you should see tips on how to translate those into sensible navigation innovations to exploit while making plans earlier than going to sea and as soon as you are out there.
50 how you can increase Your Navigation distils Dag Pike's adventure won from over 50 years of navigating a complete diversity of craft from excessive pace energy boats and lifeboats to ships and crusing boats. Written via probably the most skilled navigators on this planet, it's your passport to sensible navigation suggestions that would get you competently in your vacation spot even if in positive climate or foul.
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Extra resources for 50 Ways to Improve Your Navigation
Contents PREPARATION 1 Making a landfall – angle of approach 2 Deviating to shorten the distance between marks 3 The longer route can be the quickest 4 The effect of wind on the tides 5 Judging sea conditions 6 Offsetting the course in order to be sure 7 Safety margins 8 Fuel and navigation VISUAL NAVIGATION 9 Adding up the clues 10 Position fixing from sea conditions 11 Estimating your position 12 Transit bearings 13 Steering bias 14 Magnetic or true? 15 Second stage navigation 16 Conspicuous marks 17 Local knowledge PAPER CHARTS 18 Checking the plotted course 19 Customising the charts 20 Using position lines 21 Looking at alternatives DEPTH, TIDES AND CURRENTS 22 Using depth when making a landfall 23 Depth warnings and shoals 24 Depth and distance off 25 The effect of depth on sea conditions 26 Taking short cuts ELECTRONIC CHARTS 27 Distance on the electronic chart 28 Getting the scale right 29 GPS accuracy 30 Knowing where you are 31 Waypoint selection and use 32 When your GPS goes down RADAR FOR NAVIGATION 33 How accurate is the radar?
However if you use the area frequently and tend to follow the same courses, you can make more permanent changes by using highlighter pens and different colours for buoys and lights. It can be a good idea in any case to mark a variety of possible courses on the chart so you have readily available alternatives when you are at sea. It is also a good idea to make a note of the tide times, particularly the times at which the tidal flow is expected to change. With all this customising on the chart, you now have virtually all the navigation information you need in one place, ready for instant use.
When you are planning a passage it’s not just the route that concerns you; you also want to know what the sea conditions will be like. This can be particularly important for powerboats, where the prevailing sea conditions can have a significant impact on performance, but sailboats would normally be looking for a comfortable ride as well. Obviously, you can get a general idea of what to expect from the weather forecast, and experience will tell you which sea conditions are associated with different wind strengths.