The fundamental safety parameters must be verified during every watch and port arrival to ensure the system provides accurate grounding alarms. Safety Contour vs. Safety Depth Safety Contour

: These limits define the maximum allowed deviation from the planned route in Sailing Mode 4. System Maintenance and Compliance

Technical Operational Report: Transas Navi-Sailor 4000 ECDIS 1. Safety Settings and Chart Configuration

: At a minimum, three sensors (Position, Heading, Speed) provide data to the own-ship symbol. GPS Failure