Wednesday, December 7, 2022
No more paper charts - its all e-charts the past 26 yrs
I grew up on paper charts. It was in the Navy and I do love exploring the
intricate details printed on charts, especiall old charts in B&W. But as soon as
GPS came into the market, I started buying and using them. It did not make sense
using paper charts on fast open boats. GPS was a dream come true. Chart plotters
were not even created yet. So when the first chartplotter arrived, I eagerly
bought them. My first chartplotter was a Garmin 276 portable. That was probably
20 years ago. I have only used electronic charts for navigation and passage
planning ever since. Today chartpotters are the rage and are no longer just
called chartplotters. The new buzz word is MFDs (Multi Function Displays) since
you can connect sonar, AIS, Zoom cameras. CCTV, auto-pilot, engine data and so
many other sensors to the MFDs. Chartplotting is just one function amongst many.
About 8 yrs ago, a new feature was introduced called Automatic Routing. Planning a route has always been done manually until this feature, familar to car drivers came along for Navigation and its so simple. Simply select your start point and destination and the chartplotter will plan the route for you in a few seconds. It is important to to manually set the perimeters before engaging auto-routing. Basically key in your boat's draught, height clearance, cruising speed. fuel consumption and max fuel capacity and the machine computes your route. It is generally safe, but I would caution that you go thru the route offered and make manual adjustments to ensure the route is safe and does not cut thru prohibited and restricted waters or too near shallow reefs. It's always better to keep a wide berth of shallow waters and danger zones.
Whatever the case may be, it is going to be very difficult to go back to paper charts for navigation after having used Chartplotters the last 20yrs.
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