Shallow coastal zones, where ship groundings are most common, often contain the least accurate and most outdated data on official nautical charts. To bridge this gap, TCarta, a leader in hydrospatial mapping, has launched a new line of satellite reconnaissance charts designed to complement official marine navigation maps in these challenging waters.
The new chart products were unveiled to the hydrographic community on 25 February at the 2025 Esri Federal GIS Conference in Washington, DC.
Derived from recently acquired satellite imagery, TCarta satellite reconnaissance charts are digital maps adhering to International Hydrographic Organization S-57 and S-100 data model standards with the same appearance and symbology as official navigation aids. However, the TCarta charts do not replace official nautical map products, which
