


Military versions of ECDIS are known as WECDIS (warship ECDIS) or ECDIS-N (ECDIS-naval). The system generates audible and/or visual alarms when the vessel is in proximity to navigational hazards. 2.2 Raster Navigational Charts ("RNCs")ĮCDIS provides continuous position and navigational safety information.2.1 Electronic Navigational Charts ("ENCs").
