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post #1 of Old 09-29-2009 Thread Starter
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How we hit the rocks

With all the excellent information available on today's chart plotters, how could we not see the rocks that were right in front of us?
1. Move the cursor to an area ahead to see the up coming conditions or to find another route.
2. Chart plotter data does not display all data until you zoom in on an area. This leaves you not looking at the imediate area you are in.
3. Chart plotter screens are SOOOOO much smaller than the paper chart for a good over view.
4. Recenter the screen after the cursor has been moved and you loose the present location.
5. Chart Plotter makes it decievingly simple to just get going and not look at the big picture available on the chart, to see the whole route.
6. When Zoomed out you do not get the whole picture of the details of the route you will be crossing.
7. Our depth sounder had been acting up that day and displaying 188.8SD instead of the actual depth.
We were lucky, we carry a spare electric bilge pump with a hose and wires to connect directly to the electrical panel - how many have this? None of our sailboat companions had one to backup ours if it failed.
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