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    • Chartplotter and Charting Issues at Cumberland Dividings AICW Problem Stretch, (Statute Mile 704)

      Cumberland Dividings - Click for Chartview

      Cumberland Dividings, just north of where the AICW intersects the southerly reaches of the Brickhill River, has multiple problems. First, some charts and chartplotters show the magenta fairway line running on the western side of the red markers in this area. Those who blindly follow this erroneous magenta line will run aground every time. Also, and perhaps even worse, the Waterway is shoaling badly along its western flank, north of marker #63.

      AICW MM704 Cumberland Dividings Problem
      We transited this area northbound this afternoon. I was watching a Garmin chartplotter (new 2011) and the newest NOAA raster chart displaying on a laptop at the lower steering station sent to my Nexus via a VPN connection. Even the newest NOAA raster chart shows the magenta line to the west of the red daymarks (the real channel is to the east side of the daymarks). The daymarks are properly marked with the ICW triangle. A sailboat following us failed to honor the red daymarks – fortunately they stayed very close to the red (even though they were was leaving them on his starboard side) and made it through. The most current NOAA ENC chart has the correct course passing over dry land based on our track.
      This same problem has existed since at least 2005 or so. How long does it take NOAA to correct a chart?

      Click Here To View the Cruisers’ Net’s “AICW Problem Stretches” Listing For the Cumberland Dividings

      Click Here To Open A Chart View Window, Zoomed To This AICW Problem Stretch

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