Navigation charts—both digital and paper—support comprehensive route planning, hazard identification, risk avoidance, and regulatory adherence for mariners. Continuously updated with Electronic Navigational Chart corrections and integrated into ECDIS and chart plotters, they provide crucial bathymetric data, buoy positions, and coastal features. Serving as the visual foundation of safe and informed navigation, charts allow vessel crews to overlay waypoints, monitor course progress, and adapt routes promptly.