Part 1 - What you need to learn about the ECDIS. The truth is, when i was a third officer, I had no DAMN idea what these functions of the ECDIS were. I thought they were for 2nd officers. I was wrong and I learned it the hard way. It was my first vessel as a 3rd mate. We were arriving at a busy port when the ECDIS froze and the captain quickly asked me to restart it, which I did. The ECDIS switched on but it was blank. There is no route, no user charts, no AIS etc. so the captain asked me to set

🟥SUBJECT: UNDERSTANDING S-52, S-57, S-63, & S-101 STANDARDS IN ECDIS 📌 SHORT VERSION S-57 → Writes the chart S-52 → Draws the chart S-63 → Locks the chart S-101 → Upgrades the chart The standards for these digital charts are made by the International Hydrographic Organization (IHO). They make sure that: ✅Charts are written the same way ✅Symbols look the same ✅Data is protected ✅Every compliant ECDIS follows the same safety rules Now for the LONGER VERSION ------------ 🔹 S-57 – “How to Structu

🟥SUBJECT: Quick Guide to Setting ECDIS Safety Limits These values are critical for safe navigation, ensuring the system provides the correct visual cues and alarms when approaching shallow areas. This is only a quick sample. Check your company & ship specific bridge management manual for further info. ✅1. Shallow Contour = Deepest Draft Example: If your ship’s deepest draft is 12.5 meters, then set the shallow contour to 12.5 m. ✅2. Safety contour / Safety Depth = Deepest Draft UKC Example: If