Which components are part of the ECDIS architecture?

The correct answer includes AIS (Automatic Identification System), Gyrocompass, and Fathometer as components of the ECDIS (Electronic Chart Display and Information System) architecture.

ECDIS is designed to integrate various navigational data and provides comprehensive situational awareness for mariners. The AIS component enhances safety and navigational efficiency by allowing vessels to share their positions and other relevant information in real-time. This information is essential for collision avoidance and situational awareness, particularly in busy shipping lanes.

The Gyrocompass is crucial for navigation as it provides accurate heading information, independent of magnetic influences, which is vital for correct positioning and navigation on electronic charts.

The Fathometer, or echo sounder, measures water depth, helping mariners to avoid shallow waters and navigate safely. This data is integrated into the ECDIS, showing real-time water depths along with charted depths, enabling safe passage.

Together, these components significantly enhance navigational capabilities, making option B the most accurate representation of the ECDIS architecture.