: Consolidates data from GNSS (GPS), AIS, Radar, Gyrocompass, Speed Log, Echo Sounder, and Wind Sensors. Multi-Format Chart Support
button to toggle the display of ARPA targets on the chart screen. Radar Overlay
For navigators aboard merchant vessels, oil tankers, and bulk carriers, the Transas (now Wärtsilä) Navi Sailor 4000 ECDIS remains a gold standard in electronic chart display and information systems. However, as these units age, a specific alarm phrase strikes fear into the heart of the Officer of the Watch (OOW): the warning.
The Navi Sailor 4000 runs on older Windows operating systems (often Windows 7 or even XP embedded). This creates a . In 2023, security researchers demonstrated that unpatched Navi Sailor 4000 units could be compromised via infected USB drives or network probes, potentially altering charts or disabling alarms. The IMO’s cyber risk management guidelines have labeled such legacy ECDIS as "high risk" unless air-gapped or meticulously updated.