Description: The NOAA Chart Display Service renders NOAA ENC data with "traditional paper chart" symbols, labels, and color schemes familiar to those who have used NOAA paper nautical charts or the NOAA Custom Chart application.<br><br> The chart images are rendered from the latest NOAA electronic navigational chart (NOAA ENC®) data. The ENC data and the chart images derived from it are updated weekly.<br>(NOAA)